Displaying publications 41 - 60 of 433 in total

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  1. Teh CL, Chan GYL, Lee J
    Int J Rheum Dis, 2008;11(1):24-29.
    DOI: 10.1111/j.1756-185X.2008.00325.x
    Objective: There are limited data on hospitalization of systemic lupus erythematosus (SLE) patients in Asian countries. Our aim of this study is to describe the characteristics and poor prognostic factors in our patients. Method: We performed a retrospective study of SLE hospitalization during a 1-year period (2006) in our centre. Results: There were 125 episodes of hospitalization of 79 patients with SLE. This is the first report of SLE patients from the native population of east Malaysia. The cause of admission was flare of SLE (80.8%), infection (23.2%), renal biopsy (22.4%) and others (4%). There was only one admission for thromboembolism. Patients with both flare of SLE and infection have the longest median length of stay of 11 days (IQR 5,24) requiring more intensive care therapy (P < 0.01). Readmission occurred in 31.4% and was associated with admission for other reasons during the first admission. Flare of SLE was protective against readmission (P < 0.05, OR = 0.36). There were six deaths (4.8% of admissions). The deaths were due to infection in three patients, active SLE in two and acute myocardial infarction in one. The deaths have a higher cumulative prednisolone dose than the survivals (P < 0.01). In multivariate modelling, the only predictor of death was high Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index score (P < 0.05, OR = 9.61 per increase of 1 score). Conclusion: Active disease and infection remains the main cause of admission, readmission and death in SLE patients. © 2008 Asia Pacific League of Associations for Rheumatology.
    Matched MeSH terms: Multivariate Analysis
  2. Hassan MR, Suan MA, Soelar SA, Mohammed NS, Ismail I, Ahmad F
    Asian Pac J Cancer Prev, 2016;17(7):3575-81.
    PMID: 27510011
    BACKGROUND: Cancer survival analysis is an essential indicator for effective early detection and improvements in cancer treatment. This study was undertaken to document colorectal cancer survival and associated prognostic factors in Malaysians.

    MATERIALS AND METHODS: All data were retrieved from the National Cancer Patient Registry Colorectal Cancer. Only cases with confirmed diagnosis through histology between the year 2008 and 2009 were included. Retrieved data include sociodemographic information, pathological features and treatment received. Survival curves were plotted using the KaplanMeier method. Univariate analysis of all variables was then made using the Logrank test. All significant factors that influenced survival of patients were further analysed in a multivariate analysis using Cox' regression.

    RESULTS: Total of 1,214 patients were included in the study. The overall 3 and 5year survival rates were 59.1% and 48.7%, respectively. Patients with localized tumours had better prognosis compared to those with advanced stage cancer. In univariate analysis, staging at diagnosis (p<0.001), primary tumour size (p<0.001), involvement of lymph nodes (p<0.001) and treatment modalities (p=0.001) were found to be predictors of survival. None of the sociodemographic characteristics were found to exert any influence. In Cox regression analysis, staging at diagnosis (p<0.001), primary tumour size (p<0.001), involvement of lymph nodes (p<0.001) and treatment modalities (p<0.001) were determined as independent prognostic factors of survival after adjusted for age, gender and ethnicity.

    CONCLUSIONS: The overall survival rate for colorectal cancer patients in Malaysia is similar to those in other Asian countries, with staging at diagnosis, primary tumor size, involvement of lymph node and treatment modalities having significant effects. More efforts are needed to improve national survival rates in future.
    Matched MeSH terms: Multivariate Analysis
  3. Buji RI, Abdul Murad NA, Chan LF, Maniam T, Mohd Shahrir MS, Rozita M, et al.
    Lupus, 2018 Apr;27(5):744-752.
    PMID: 29161964 DOI: 10.1177/0961203317742711
    Background Systemic lupus erythematosus (SLE) patients are a high-risk population for suicide. Glutamatergic neurosystem genes have been implicated in the neurobiology of depression in SLE and suicidal behaviour in general. However, the role of glutamate receptor gene polymorphisms in suicidal behaviour among SLE patients remains unclear in the context of established clinical and psychosocial factors. We aimed to investigate the association of NR2A gene polymorphism with suicidal ideation in SLE while accounting for the interaction between clinical and psychosocial factors. Methods A total of 130 SLE patients were assessed for mood disorders (MINI International Neuropsychiatric Interview), severity of depression (Patient Health Questionnaire-9), suicidal behaviour (Columbia-Suicide Severity Rating Scale), socio-occupational functioning (Work and Social Adjustment Scale), recent life events (Social Readjustment Rating Scale) and lupus disease activity (SELENA-SLE Disease Activity Index). Eighty-six out of the 130 study participants consented for NR2A genotyping. Results Multivariable logistic regression showed nominal significance for the interaction effect between the NR2A rs2072450 AC genotype and higher severity of socio-occupational impairment with lifetime suicidal ideation in SLE patients ( p = 0.038, odds ratio = 1.364, 95% confidence interval = 1.018-1.827). However, only the association between lifetime mood disorder and lifetime suicidal ideation remained significant after Bonferroni correction ( p 
    Matched MeSH terms: Multivariate Analysis
  4. Ahmad N, Cheong SM, Ibrahim N, Rosman A
    Asia Pac J Public Health, 2014 Sep;26(5 Suppl):63S-9S.
    PMID: 25005932 DOI: 10.1177/1010539514540746
    Adolescence is the time of greatest risk for the first onset of suicidal behaviors. This study aimed to identify the risk and protective factors associated with suicidal ideation among Malaysian adolescents. Data from the 2012 Malaysia Global School-based Student Health Survey, a nationwide study using a 2-stage cluster sampling design, were analyzed. The survey used a self-administered validated bilingual questionnaire and the Depression Anxiety and Stress Scale. The prevalence of suicidal ideation was 7.9%. Analysis revealed that suicidal ideation was positively associated with depression, anxiety, stress, substance use, being bullied, and being abused at home, either physically or verbally. In addition, suicidal ideation was significantly higher among females and among the Indians and Chinese. Having close friends and married parents were strongly protective against suicidal ideation. Understanding the risk and protective factors is important in providing comprehensive management for suicidal ideation.
    Study name: Global School-Based Student Health Survey (GSHS)
    Matched MeSH terms: Multivariate Analysis
  5. Chun S, Choi Y, Chang Y, Cho J, Zhang Y, Rampal S, et al.
    Am Heart J, 2016 07;177:17-24.
    PMID: 27297845 DOI: 10.1016/j.ahj.2016.03.018
    BACKGROUND: Sugar-sweetened carbonated beverage consumption has been linked to obesity, metabolic syndrome, type 2 diabetes, and clinically manifest coronary heart disease, but its association with subclinical coronary heart disease remains unclear. We investigated the relationship between sugar-sweetened carbonated beverage consumption and coronary artery calcium (CAC) in a large study of asymptomatic men and women.

    METHODS: This was a cross-sectional study of 22,210 adult men and women who underwent a comprehensive health screening examination between 2011 and 2013 (median age 40 years). Sugar-sweetened carbonated beverage consumption was assessed using a validated food frequency questionnaire, and CAC was measured by cardiac computed tomography. Multivariable-adjusted CAC score ratios and 95% CIs were estimated from robust Tobit regression models for the natural logarithm (CAC score +1).

    RESULTS: The prevalence of detectable CAC (CAC score >0) was 11.7% (n = 2,604). After adjustment for age; sex; center; year of screening examination; education level; physical activity; smoking; alcohol intake; family history of cardiovascular disease; history of hypertension; history of hypercholesterolemia; and intake of total energy, fruits, vegetables, and red and processed meats, only the highest category of sugar-sweetened carbonated beverage consumption was associated with an increased CAC score compared with the lowest consumption category. The multivariable-adjusted CAC ratio comparing participants who consumed ≥5 sugar-sweetened carbonated beverages per week with nondrinkers was 1.70 (95% CI, 1.03-2.81). This association did not differ by clinical subgroup, including participants at low cardiovascular risk.

    CONCLUSION: Our findings suggest that high levels of sugar-sweetened carbonated beverage consumption are associated with a higher prevalence and degree of CAC in asymptomatic adults without a history of cardiovascular disease, cancer, or diabetes.

    Matched MeSH terms: Multivariate Analysis
  6. Jin H, Friedman MR, Lim SH, Guadamuz TE, Wei C
    LGBT Health, 2016 Dec;3(6):465-471.
    PMID: 26982598
    PURPOSE: Men who have sex with men and are sex workers (MSMSW) are disproportionately affected by the growing and emerging HIV epidemic. As sex work and same-sex behavior are heavily stigmatized and often illegal in most Asian countries, HIV research focusing on MSMSW has been limited. The goal of this analysis is to examine HIV testing practices and identify correlates of HIV testing among MSMSW in Asia.

    METHODS: The Asia Internet MSM Sex Survey, an online cross-sectional survey of 10,861 men who have sex with men (MSM), was conducted in 2010. Data on sociodemographic characteristics, HIV testing behaviors, and sexual behaviors were collected. Five hundred and seventy-four HIV-negative/unknown respondents reported receiving payment for sex with men at least once in the past 6 months and were included in this analysis. Multivariable logistic regression was conducted to identify independent correlates of HIV testing in the past year.

    RESULTS: About half (48.6%) of the participants had been tested for HIV at least once within the past year, and 30.5% had never been tested. We also found that MSMSW participants who engaged in risky behaviors were less likely to be tested.

    CONCLUSION: While one might expect a high HIV testing rate among MSMSW due to the risks associated with engaging in sex work, we found that HIV testing uptake is suboptimal among MSMSW in Asia. These results suggest that targeted HIV prevention and testing promotion among MSMSW are needed.

    Matched MeSH terms: Multivariate Analysis
  7. Shaharir SS, Gafor AH, Said MS, Kong NC
    Int J Rheum Dis, 2015 Jun;18(5):541-7.
    PMID: 25294584 DOI: 10.1111/1756-185X.12474
    OBJECTIVE:
    Systemic lupus erythematosus (SLE) is a chronic autoimmune disease and glucocorticoid is the mainstay of treatment in SLE. The reported incidence of steroid-induced diabetes mellitus (SDM) ranged between 1-53%. We sought to investigate the prevalence and associated factors of SDM in patients with SLE.

    METHODOLOGY:
    A total of 100 SLE patients attending the Nephrology/SLE and Rheumatology Clinic, Universiti Kebangsaan Malaysia Medical Centre (UKMMC) who received corticosteroid treatment were recruited. The diagnosis of diabetes mellitus was based on the 2010 American Diabetes Association's criteria. Prevalent cases of SDM were also included. Statistical analysis was performed to determine the factors associated with SDM.

    RESULTS:
    Thirteen of them (13%) developed SDM, with the median onset of diagnosis from commencement of glucocorticoid treatment being 8 years (range 0.5-21 years). Although only seven Indians were recruited into the study, three of them (42.9%) had SDM compared to Malays (9.3%) and Chinese (12.8%) (P ≤ 0.05). Univariate and multivariate analysis showed that higher numbers of system or organ involvement in SLE, abdominal obesity, hypertriglyceridemia and daily prednisolone of ≥ 1 mg/kg/day were the important associated factors of SDM (P ≤ 0.05). Meanwhile, hydroxychloroquine (HCQ) use was associated with reduced SDM prevalence (P < 0.05).

    CONCLUSION:
    The prevalence of SDM among SLE patients was 13% and Indians were more prone to develop SDM compared to other races. Higher numbers of system involvement, abdominal obesity, hypertriglyceridemia and the use of oral prednisolone of ≥ 1 mg/kg/day were associated with SDM, while HCQ use potentially protects against SDM.

    © 2014 Asia Pacific League of Associations for Rheumatology and Wiley Publishing Asia Pty Ltd.

    KEYWORDS:
    SLE drug treatment; clinical aspects; systemic lupus erythematous
    Matched MeSH terms: Multivariate Analysis
  8. Yahya N, Ebert MA, Bulsara M, House MJ, Kennedy A, Joseph DJ, et al.
    Med Phys, 2016 May;43(5):2040.
    PMID: 27147316 DOI: 10.1118/1.4944738
    Given the paucity of available data concerning radiotherapy-induced urinary toxicity, it is important to ensure derivation of the most robust models with superior predictive performance. This work explores multiple statistical-learning strategies for prediction of urinary symptoms following external beam radiotherapy of the prostate.
    Matched MeSH terms: Multivariate Analysis
  9. Bonsu KO, Owusu IK, Buabeng KO, Reidpath DD, Kadirvelu A
    J Am Heart Assoc, 2017 Apr 01;6(4).
    PMID: 28365564 DOI: 10.1161/JAHA.116.004706
    BACKGROUND: Randomized control trials of statins have not demonstrated significant benefits in outcomes of heart failure (HF). However, randomized control trials may not always be generalizable. The aim was to determine whether statin and statin type-lipophilic or -hydrophilic improve long-term outcomes in Africans with HF.

    METHODS AND RESULTS: This was a retrospective longitudinal study of HF patients aged ≥18 years hospitalized at a tertiary healthcare center between January 1, 2009 and December 31, 2013 in Ghana. Patients were eligible if they were discharged from first admission for HF (index admission) and followed up to time of all-cause, cardiovascular, and HF mortality or end of study. Multivariable time-dependent Cox model and inverse-probability-of-treatment weighting of marginal structural model were used to estimate associations between statin treatment and outcomes. Adjusted hazard ratios were also estimated for lipophilic and hydrophilic statin compared with no statin use. The study included 1488 patients (mean age 60.3±14.2 years) with 9306 person-years of observation. Using the time-dependent Cox model, the 5-year adjusted hazard ratios with 95% CI for statin treatment on all-cause, cardiovascular, and HF mortality were 0.68 (0.55-0.83), 0.67 (0.54-0.82), and 0.63 (0.51-0.79), respectively. Use of inverse-probability-of-treatment weighting resulted in estimates of 0.79 (0.65-0.96), 0.77 (0.63-0.96), and 0.77 (0.61-0.95) for statin treatment on all-cause, cardiovascular, and HF mortality, respectively, compared with no statin use.

    CONCLUSIONS: Among Africans with HF, statin treatment was associated with significant reduction in mortality.

    Matched MeSH terms: Multivariate Analysis
  10. Muiz AJ, Abdullah J, Naing NN, Ghazaime G, Ariff AR
    Neuroepidemiology, 2003 May-Jun;22(3):184-95.
    PMID: 12711851
    The aim of this study was to compare nonsurgical versus stereotactic aspiration of intracerebral hematomas in relation to clinical aspects, computed tomographic imaging features of the brain, laboratory parameters and specific risk factors that may influence the outcome in southeast Asian Malay patients. Fifty-five of the patients with intracerebral hemorrhage (ICH) underwent stereotactic aspiration and 57 did not. Analysis was done on risk factors, locations and treatments of ICH, and the final outcomes measured by the Glasgow Outcome Scale. A total of 112 patients were evaluated. Mean age was 52 years with ages ranging from 12 to 80 years. Hypertension was seen in 60.7% of patients with ICH. The mortality rate was 25% by 3 months. 58.9% had a poor final outcome, while 41.1% had a good outcome. The selected variables were incorporated into models generated by multiple logistic regression method analysis to define the significant predictors of outcome. Significant predictors of outcome were the Glasgow Coma Scale score on admission, the duration of surgery and the total volume of the hematoma. Significant predictors of mortality were high total white blood cell differential count, low plasma protein, and high plasma lactate dehydrogenase and brain edema. The study suggests that stereotactic aspiration of patients with ICH does not offer any definite advantage over conservative treatment.
    Matched MeSH terms: Multivariate Analysis
  11. Sheikhy Narany T, Ramli MF, Aris AZ, Sulaiman WN, Fakharian K
    Environ Monit Assess, 2014 Sep;186(9):5797-815.
    PMID: 24891071 DOI: 10.1007/s10661-014-3820-8
    In recent years, groundwater quality has become a global concern due to its effect on human life and natural ecosystems. To assess the groundwater quality in the Amol-Babol Plain, a total of 308 water samples were collected during wet and dry seasons in 2009. The samples were analysed for their physico-chemical and biological constituents. Multivariate statistical analysis and geostatistical techniques were applied to assess the spatial and temporal variabilities of groundwater quality and to identify the main factors and sources of contamination. Principal component analysis (PCA) revealed that seven factors explained around 75% of the total variance, which highlighted salinity, hardness and biological pollution as the dominant factors affecting the groundwater quality in the Plain. Two-way analysis of variance (ANOVA) was conducted on the dataset to evaluate the spatio-temporal variation. The results showed that there were no significant temporal variations between the two seasons, which explained the similarity between six component factors in dry and wet seasons based on the PCA results. There are also significant spatial differences (p > 0.05) of the parameters under study, including salinity, potassium, sulphate and dissolved oxygen in the plain. The least significant difference (LSD) test revealed that groundwater salinity in the eastern region is significantly different to the central and western side of the study area. Finally, multivariate analysis and geostatistical techniques were combined as an effective method for demonstrating the spatial structure of multivariate spatial data. It was concluded that multiple natural processes and anthropogenic activities were the main sources of groundwater salinization, hardness and microbiological contamination of the study area.
    Matched MeSH terms: Multivariate Analysis
  12. Juahir H, Zain SM, Aris AZ, Yusoff MK, Mokhtar MB
    J Environ Monit, 2010 Jan;12(1):287-95.
    PMID: 20082024 DOI: 10.1039/b907306j
    The present study deals with the assessment of Langat River water quality with some chemometrics approaches such as cluster and discriminant analysis coupled with an artificial neural network (ANN). The data used in this study were collected from seven monitoring stations under the river water quality monitoring program by the Department of Environment (DOE) from 1995 to 2002. Twenty three physico-chemical parameters were involved in this analysis. Cluster analysis successfully clustered the Langat River into three major clusters, namely high, moderate and less pollution regions. Discriminant analysis identified seven of the most significant parameters which contribute to the high variation of Langat River water quality, namely dissolved oxygen, biological oxygen demand, pH, ammoniacal nitrogen, chlorine, E. coli, and coliform. Discriminant analysis also plays an important role as an input selection parameter for an ANN of spatial prediction (pollution regions). The ANN showed better prediction performance in discriminating the regional area with an excellent percentage of correct classification compared to discriminant analysis. Multivariate analysis, coupled with ANN, is proposed, which could help in decision making and problem solving in the local environment.
    Matched MeSH terms: Multivariate Analysis
  13. Ismail A, Toriman ME, Juahir H, Zain SM, Habir NL, Retnam A, et al.
    Mar Pollut Bull, 2016 May 15;106(1-2):292-300.
    PMID: 27001716 DOI: 10.1016/j.marpolbul.2015.10.019
    This study presents the determination of the spatial variation and source identification of heavy metal pollution in surface water along the Straits of Malacca using several chemometric techniques. Clustering and discrimination of heavy metal compounds in surface water into two groups (northern and southern regions) are observed according to level of concentrations via the application of chemometric techniques. Principal component analysis (PCA) demonstrates that Cu and Cr dominate the source apportionment in northern region with a total variance of 57.62% and is identified with mining and shipping activities. These are the major contamination contributors in the Straits. Land-based pollution originating from vehicular emission with a total variance of 59.43% is attributed to the high level of Pb concentration in the southern region. The results revealed that one state representing each cluster (northern and southern regions) is significant as the main location for investigating heavy metal concentration in the Straits of Malacca which would save monitoring cost and time.

    CAPSULE: The monitoring of spatial variation and source of heavy metals pollution at the northern and southern regions of the Straits of Malacca, Malaysia, using chemometric analysis.

    Matched MeSH terms: Multivariate Analysis
  14. Wahid NB, Latif MT, Suan LS, Dominick D, Sahani M, Jaafar SA, et al.
    Bull Environ Contam Toxicol, 2014 Mar;92(3):317-22.
    PMID: 24435135 DOI: 10.1007/s00128-014-1201-1
    This study aims to determine the composition and sources of particulate matter with an aerodynamic diameter of 10 μm or less (PM10) in a semi-urban area. PM10 samples were collected using a high volume sampler. Heavy metals (Fe, Zn, Pb, Mn, Cu, Cd and Ni) and cations (Na(+), K(+), Ca(2+) and Mg(2+)) were detected using inductively coupled plasma mass spectrometry, while anions (SO4 (2-), NO3 (-), Cl(-) and F(-)) were analysed using Ion Chromatography. Principle component analysis and multiple linear regressions were used to identify the source apportionment of PM10. Results showed the average concentration of PM10 was 29.5 ± 5.1 μg/m(3). The heavy metals found were dominated by Fe, followed by Zn, Pb, Cu, Mn, Cd and Ni. Na(+) was the dominant cation, followed by Ca(2+), K(+) and Mg(2+), whereas SO4 (2-) was the dominant anion, followed by NO3 (-), Cl(-) and F(-). The main sources of PM10 were the Earth's crust/road dust, followed by vehicle emissions, industrial emissions/road activity, and construction/biomass burning.
    Matched MeSH terms: Multivariate Analysis
  15. Nawawi H, Osman NS, Annuar R, Khalid BA, Yusoff K
    Atherosclerosis, 2003 Aug;169(2):283-91.
    PMID: 12921980
    Adhesion molecules and cytokines are involved in the pathogenesis of intimal injury in atherosclerosis but their relationship with endothelial function remains unclear. The objectives of this study were to examine the effects of atorvastatin on soluble adhesion molecules, interleukin-6 (IL-6) and brachial artery endothelial-dependent flow mediated dilatation (FMD) in patients with familial (FH) and non-familial hypercholesterolaemia (NFH). A total of 74 patients (27 FH and 47 NFH) were recruited. Fasting lipid profiles, soluble intercellular adhesion molecule-1 (sICAM-1), soluble vascular-cellular adhesion molecule-1 (sVCAM-1), E-selectin, IL-6 and FMD were measured at baseline, 2 weeks, 3 and 9 months post-atorvastatin treatment (FH--80 mg/day, NFH--10 mg/day). In both groups, compared to baseline, sICAM-1 levels were significantly reduced at 2 weeks, further reduced at 3 months and maintained at 9 months (P<0.0001). The IL-6 levels were significantly reduced at 3 months and 9 months compared to baseline for FH (P<0.005) and NFH (P<0.0001). In both groups, the FMD at 2 weeks was higher than baseline (P<0.005), with progressive improvement up to 9 months. FMD was negatively correlated with sICAM-1 and IL-6. In conclusion, both low and high doses of atorvastatin lead to early progressive improvement in endothelial function in patients with primary hypercholesterolaemia. sICAM-1 and IL-6 levels reflect endothelial dysfunction in these patients.
    Matched MeSH terms: Multivariate Analysis
  16. Kamal SM, Hassan CH
    J Family Reprod Health, 2013 Jun;7(2):73-86.
    PMID: 24971107
    Objective: To examine the relationship between socioeconomic factors affecting contraceptive use among tribal women of Bangladesh with focusing on son preference over daughter.
    Materials and methods: The study used data gathered through a cross sectional survey on four tribal communities resided in the Rangamati Hill District of the Chittagong Hill Tracts, Bangladesh. A multistage random sampling procedure was applied to collect data from 865 currently married women of whom 806 women were currently married, non-pregnant and had at least one living child, which are the basis of this study. The information was recorded in a pre-structured questionnaire. Simple cross tabulation, chi-square tests and logistic regression analyses were performed to analyzing data.
    Results: The contraceptive prevalence rate among the study tribal women was 73%. The multivariate analyses yielded quantitatively important and reliable estimates of likelihood of contraceptive use. Findings revealed that after controlling for other variables, the likelihood of contraceptive use was found not to be significant among women with at least one son than those who had only daughters, indicating no preference of son over daughter. Multivariate logistic regression analysis suggests that home visitations by family planning workers, tribal identity, place of residence, husband's education, and type of family, television ownership, electricity connection in the household and number of times married are important determinants of any contraceptive method use among the tribal women.
    Conclusion. The contraceptive use rate among the disadvantaged tribal women was more than that of the national level. Door-step delivery services of modern methods should be reached and available targeting the poor and remote zones.
    Keywords: Bangladesh, Contraceptive use, Ethnic tribal women, Sex preference, Logistic regression
    Matched MeSH terms: Multivariate Analysis
  17. Zaini I, Ghani SN, Moy FM
    JUMMEC, 2008;11(2):59-65.
    MyJurnal
    This is a retrospective case control study conducted between 1 January 2005 and 30 June 2006 at the Hospital Tuanku Jaafar, Seremban, Malaysia. The objective was to study the maternal sociodemographics and foetal characteristics associated with premature delivery. There were 387 cases selected universally and 387 controls selected by using systematic random sampling involving every 13 cases. The patients were women who had delivered their babies before 37 completed weeks, while the control were women who had term deliveries during the same period. Data were collected using structured questionnaire through secondary data. Results showed that having multiple pregnancies (OR=8.33, 95% CI: 2.91, 23.84), congenital abnormality (OR=4.6, 95% CI: 0.98, 21.84) and intrauterine growth retardation (OR=15.59, 95% CI: 3.69, 65.82) were the risk factors of premature delivery. Being an ethnic Indian also raised the odds (OR=1.67, 95% CI: 1.14, 2.43) but this was not significant in the multivariate analysis. Other sociodemographic characteristics did not contribute significantly to the risk factors for premature delivery in this sample. In conclusion, foetal characteristics were found to be significantly associated with premature delivery after adjustment for other confounding factors.
    Study site: Hospital Tuanku Jaafar, Seremban, Negeri Sembilan, Malaysia
    Matched MeSH terms: Multivariate Analysis
  18. Mohd Ashri MH, Abu Saad H, Adznam SNΆ
    Nutrients, 2021 Jun 29;13(7).
    PMID: 34210072 DOI: 10.3390/nu13072248
    The use of dietary supplements is prevalent among many groups worldwide. However, few studies have examined their use among government employees. The aim of this cross-sectional study was to determine the association among sociodemographic characteristics, body weight status, and energy intake with dietary supplement use among government employees in Putrajaya, Malaysia. Simple random sampling was used to select a sample of 460 government employees from six ministries in Putrajaya, Malaysia. The data used in this study were collected through anthropometric measurements (height, weight, % body fat, waist and hip circumferences), a self-administered questionnaire (sociodemographic characteristics and dietary supplements use), and an interviewer-administered questionnaire (24-hour dietary recall; fruit and vegetable intake). The results indicated that the prevalence of dietary supplement use was 55.4%, with vitamin C (38.4%) being the most popular type of dietary supplement. Health issues (80.8%) were the most common reason for usage, internet (59.2%) was the main source of information, and pharmacies (71.8%) were the most indicated places to purchase dietary supplements. A multivariate analysis showed that participants who were female, married, had better monthly income, lived within a smaller household size, had a normal body mass index, classified as having unhealthily high body fat percentage, did not skip breakfast, and consumed at least five servings of fruits and vegetables per day were significantly more likely to use dietary supplements. In conclusion, health-conscious groups were more prone to consume dietary supplements, and due to the high prevalence of dietary supplement use, dissemination of accurate scientific information regarding dietary supplements is highly recommended among government employees.
    Matched MeSH terms: Multivariate Analysis
  19. Ketchoo C, Sangthong R, Chongsuvivatwong V, Geater A, McNeil E
    Tob Control, 2013 Jul;22(4):255-60.
    PMID: 22174006 DOI: 10.1136/tobaccocontrol-2011-050008
    BACKGROUND:
    Illicit cigarette consumption has increased worldwide. It is important to understand this problem thoroughly.

    OBJECTIVES:
    To investigate behaviours and factors associated with illicit cigarette consumption in southern Thailand.

    DESIGN:
    A survey and qualitative study were conducted in a border province in southern Thailand next to Malaysia. A modified snowballing technique was used to recruit 300 illicit and 150 non-illicit cigarette smokers. A questionnaire was used to interview subjects. Illicit cigarette packs were obtained in order to identify their characteristics. Bivariate and multivariate logistic regression was used for data analysis.

    RESULTS:
    Smoking of illicit cigarettes has become accepted in the communities. They were available in supermarkets and vendor shops. Friends and other illicit smokers known by illicit cigarette smokers were an important source of information for access to illicit cigarette products. The main factors associated with smoking illicit cigarettes, compared with smoking non-illicit cigarettes, were younger age, higher education and higher average monthly expenditure on cigarettes (most illicit smokers smoked illicit cigarettes (average price per packet = 33 THB (US$1.1), while most non-illicit smokers smoked hand-rolled cigarettes (average price per packet = 7 THB (US$0.2)) and knowledge of other illicit cigarette smokers. The low price of illicit cigarettes was the main reason for their use. Selling strategies included sale of singles, sale in shops and direct sale through social networking.

    CONCLUSIONS:
    Illicit cigarette consumption has become more acceptable especially among young adult smokers. Age and extent of social networks are important factors associated with smoking illicit cigarettes.

    KEYWORDS:
    Smoking behaviour; border province; cessation; cigarette consumption; global health; hand-rolled/RYO tobacco; health services; illegal tobacco products; illicit cigarette
    Matched MeSH terms: Multivariate Analysis
  20. Picco L, Subramaniam M, Abdin E, Vaingankar JA, Chong SA
    Ann Acad Med Singap, 2012 Aug;41(8):325-34.
    PMID: 23010809
    INTRODUCTION: Smoking is one of the leading preventable causes of death throughout the world and can lead to nicotine dependence, particularly when initiated at a young age. This paper describes the prevalence of smoking and nicotine dependence in the adult Singapore resident population, whilst also exploring rates among the major ethnic groups (Chinese, Malay and Indian), different education levels and those with chronic psychiatric and physical comorbidities.

    MATERIAL AND METHODS: The Singapore Mental Health Study (SMHS) is a cross-sectional epidemiological study that was conducted between December 2009 and December 2010. Information on smoking status was assessed using the Composite International Diagnostic Interview version 3.0 (CIDI 3.0) and the Fagerstrom Test for Nicotine Dependence measured nicotine dependence. Socio-demographic information was also collected.

    RESULTS: In total, 6616 respondents participated in the SMHS giving a response rate of 75.9%. We found that 16% of the population were current smokers and 4.5% had nicotine dependence. Current smokers were more likely to be younger (18 to 34 years old), males, Malay and have lower education, whilst males had a 4.6 times higher risk of nicotine dependence to that of females. The prevalence of nicotine dependence was also higher in those with alcohol abuse and those experiencing chronic pain.

    CONCLUSION: The results from this study highlight the important differences in the prevalence of smoking and nicotine dependence among different age groups, gender and ethnicity in Singapore and are important for developing future health policies and targeted preventive strategies.

    Matched MeSH terms: Multivariate Analysis
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