Displaying publications 141 - 160 of 437 in total

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  1. Farhana Sabri, Zahidah Mustafa, Mohd Yahya Mohamed Ariffin
    MyJurnal
    The number of relapsing addicts is increasingly worrying from year to year. This study was conducted
    to examine at the relationship between defense mechanisms and the level of readiness to change in
    relapsing addicts. Although the drug addicts have been treated at the treatment center, however,
    repeated cases of drug addicts still occur. Six research questions were developed to see how far the
    variables consisting of defense mechanisms could correlate with readiness to change among addicts
    who were undergoing treatment. This study was carried out involving 125 addicts in two separate
    treatment centers in Melaka and Selangor. The selected sample were addicts who have undergone a
    relapse phase at least once in drug addiction. Statistical data analysis using Statistical Packages for
    Social Sciences 20 (SPSS-20) were used to analyze the data. Statistical descriptive is used to view the
    results of demographic data constructed. T-test and ANOVA are used to see the relationship between
    the variables. The regression analysis is used to predict the defense mechanisms with the stage of
    readiness to change among relapsing addicts. The results showed that the defense mechanism had a
    significant relationship to the stage of readiness to change among samples. The results of this study
    provide information on treatment services in the drug rehabilitation to improve the treatment method
    appropriately to the drug addicts in preventing relapse.
    Matched MeSH terms: Regression Analysis
  2. Ikhwanuddin M, Amin-Safwan A, Hasyima-Ismail N, Azra MN
    Data Brief, 2019 Oct;26:104477.
    PMID: 31667242 DOI: 10.1016/j.dib.2019.104477
    The present paper contains two datasets; i) the growth band count (GBC) of mud crab, Scylla olivacea collected from Setiu Wetlands, Terengganu coastal water, East coast of Peninsular Malaysia and ii) the increment sizes of body weight (BW) and carapace width (CW) of immature S. olivace after molting. The datasets presented here were associated with the research articles entitled i) "Study on carapace width growth band counts relationship of orange mud crab, S. olivacea (Herbst, 1796) from Terengganu Coastal Waters, Malaysia" (Hasyima-Ismail et al. 2017) [1] and ii) "Relationship between the carapace width and body weight increments and the confirmation of Stage 1 ovary after the molting of immature orange mud crabs, S. olivacea (Herbst, 1796), in captivity" (Amin-Safwan et al. 2019-2020) [2], and provided here as raw data of Supplementary materials. Raw datasets for GBC in the wild were generated by examination of the thin cross sectioning process of the gastric mill of S. olivacea. The GBC were measured for each individual crab wherein band counts ranged from 1 to 3. The analysis provides evidence that the GBC of the crabs can be determined through both mesocardiac and zygocardiac ossicles. This data is of importance to researchers for estimation of stock assessment and improvement of fisheries management to further improve policy. For the BW-CW increment data, a total of 135 immature crabs were sampled from Setiu Wetlands, Terengganu, Malaysia, and were introduced to limb autotomy technique in order to induced molt. Crabs were reared until successful molting and immediately prior to hardened shell, before final measurement of body weight and carapace width determination. Recorded data was analyzed by calculating the increment sizes, along with correlation and regression analysis between body weight and carapace width of mud crabs.
    Matched MeSH terms: Regression Analysis
  3. Syed Ahmad Muhajir Alhaddad Syed E, Nurul Hudani Md N, Agnis S
    The benefit mobile technology brings is not limited to learning and entertainment but it also modifies human aspect of social communication. Despite the high number of previous research available concerning smartphones, there is still a gap of research that needs to be addressed such as its effect towards social competence. As the social system becomes complex, communication technology evolves to ensure the social needs are accomplished. For this study, 236 students aged between 13-14 years old were recruited and given a set of questionnaire which comprised Mobile Phone Problem Use Scale, Social Competence Scale for Teenagers and Self Scoring Self-Control Scale. In this study, the researcher attempted to examine the effect of excessive smartphone usage on social competence with self-control as mediator. Regression analysis was used to estimate the effect between the variables. The result indicates that there is negative relationship between excessive smartphone usage and social competence. However, when self-control is tested in the model as a mediator, excessive smartphones usage was not prevalent to predict social competence. This concludes to the apparent role of self-control as a mediator. The implication of study has contributed to the practical importance and methodological aspect of studies involving social competence and self-control.
    Matched MeSH terms: Regression Analysis
  4. Maliya S., Zul A.R., Irwan, M.S., Irwan M.S., Samsul D., Zakiah M.S., et al.
    MyJurnal
    Introduction. Male-to-female transgender individuals are known as mak nyahs in Malaysia. Akin to many other countries, mak nyahs face discriminations in securing proper employment, thus many end up in sex trade, exposing them to HIV-related high risk behaviours. This paper aims to investigate the knowledge, attitude, and risk behaviours in HIV/AIDS among mak nyahs in Malaysia. Method. Validated questionnaires in local language were used. Knowledge, attitude, and HIV-related risk behaviours were measured. With respondent-driven sampling method, 54 subjects participated in the survey. IBM SPSS was used for data analysis. Results. Majority of the subjects reported to have HIV-related sexual risk, although only a quarter were sex workers. Misconceptions still remained among the subjects. Inconsistent condom use was common. Adequate knowledge did result in better attitude towards HIV/AIDS. However, multiple regression analysis showed that subjects with higher knowledge in HIV/AIDS tend to have higher sexual risks (β = 0.320, p = 0.030). Conclusion. Educating the transgender community about HIV/AIDS does not seem to adequately reduce the HIV-related sexual risks. Other approaches, i.e. socio-cultural values and religious practices may be effective to instil higher levels of awareness and self-responsibility in this community to eliminate HIVrelated high risk behaviours.
    Matched MeSH terms: Regression Analysis
  5. Noorazwana M
    In the era of globalization, role in work and role in the family has experienced significant change especially for working parents. The equilibrium claim in both roles such as the role of the job and the role of the family is strongly emphasized in ensuring that working parents can manage their life and perform well. The aim of this study was to identify the influence of work-family conflicts such as timebased conflicts, strain-based conflicts and behavior-based conflicts towards life satisfaction among working parents. A total of 378 respondents in this study consisted of mothers and fathers working in the Public Department around Kota Kinabalu, Sabah. Respondents were selected using the purposive sampling method where the researcher had determined the characteristics of respondents such as the status of the respondent should be married (living with spouse) and at least have one child. The WorkFamily Conflict Scale (WFCS) and Satisfaction With Life Scale (SWLS) questionnaire were used to see the influence of work-family conflicts towards life satisfaction especially among working parents. The findings were analyzed using the Statistical Package for Social Sciences (SPSS) version 23.0. Simple Linear Regression Analysis was used in this study. The findings show that there are negative and significant influences in time-based conflicts, strain-based conflicts and behavior-based conflicts towards life satisfaction among working parents. The implications and recommendations of the study were also discussed.
    Matched MeSH terms: Regression Analysis
  6. Chen XW, Nazri Shafei M, Abdul Aziz Z, Nazifah Sidek N, Imran Musa K
    PeerJ, 2020;8:e8378.
    PMID: 32095319 DOI: 10.7717/peerj.8378
    Background: Diabetes and dyslipidemia are significantly associated with stroke recurrence, yet the evidence for this relationship is conflicting. Consequently, the parameters in the glucose and lipid profiles may inform us regarding their relationship with stroke recurrence, thus enhancing the physicians' clinical decision-making.

    Aim: This study sought to investigate whether glucose and lipid profiles could prognosticate stroke recurrence in Malaysia.

    Methods: We conducted a retrospective hospital-based study where we analyzed the first-ever stroke cases regarding about which the Malaysia National Stroke Registry was informed between 2009 and 2017, that fulfilled this study's criteria, and that were followed for stroke recurrence. Using the Cox proportional hazard regression analysis, we estimated the adjusted hazard ratios (HRs), which reflected the prognostic effect of the primary variables (i.e., glucose and lipid profiles on the first-stroke admission) on stroke recurrence.

    Results: Among the 8,576 first-ever stroke patients, 394 (4.6%) experienced a subsequent first stroke recurrence event. The prognostic effect measured by univariable Cox regression showed that, when unadjusted, ten variables have prognostic value with regards to stroke recurrence. A multivariable regression analysis revealed that glucose was not a significant prognostic factor (adjusted HR 1.28; 95% CI [1.00-1.65]), while triglyceride level was the only parameter in the lipid profile found to have an independent prognostication concerning stroke recurrence (adjusted HR: 1.28 to 1.36).

    Conclusions: Triglyceride could independently prognosticate stroke recurrence, which suggests the role of physicians in intervening hypertriglyceridemia. In line with previous recommendations, we call for further investigations in first-ever stroke patients with impaired glucose and lipid profiles and suggest a need for interventions in these patients.

    Matched MeSH terms: Regression Analysis
  7. Najihah Lokman, Siti Azrin Ab. Hamid, Norsa’adah Bachok
    Sains Malaysiana, 2017;46:559-565.
    Ovarian cancer is one of the highest causes of death among female population in Malaysia. A retrospective cohort study among 127 ovarian cancer patients registered in one of the teaching hospital in Malaysia was conducted from 1st January 2002 until 31st December 2011. The objective of this study was to determine the median survival time, five year survival probability and prognostic factors of ovarian cancer patients. Only ovarian cancer patients were selected with strict inclusion and exclusion criteria. Data was analyzed using Kaplan-Meier Survival analysis and Cox proportional hazard regression analysis. The results showed that the overall five-year survival probability of ovarian cancer was 35.2% (95%CI: 26.3, 44.3) with 38 month (95%CI: 25.7, 50.1) median survival time. After adjustment for potential cofounder, significant prognostic factors of ovarian cancer were observed in FIGO stage (HR: 2.53; 1.44, 4.45), loss of appetite (HR: 1.95; 1.23, 3.11) and presence of pleural effusion (HR: 1.98; 1.19, 3.30). Overall, the survival probabilities of ovarian cancer were low and further actions must be taken to improve the survival among advanced cancer patients
    Matched MeSH terms: Regression Analysis
  8. Ishaqui AA, Khan AH, Sulaiman SAS, Alsultan MT, Khan I, Naqvi AA
    Expert Rev Respir Med, 2020 05;14(5):533-541.
    PMID: 32053044 DOI: 10.1080/17476348.2020.1730180
    Objectives: This study aimed to assess the efficacy of oseltamivir-Azithromycin combination therapy for prevention of Influenza-A (H1N1)pdm09 infection associated complications and early relief of influenza symptoms.Methods: In a retrospective observational cohort study, Influenza-A (H1N1)pdm09 infection hospitalized patients were identified and divided into two groups based on the initial therapy. Group-AV patients were initiated on Oseltamivir without any antibiotic in treatment regimen while Group-AV+AZ patients were initiated on Oseltamivir and Azithromycin combination therapy for at least 3-5 days. Patients were evaluated for different clinical outcomes.Results: A total of 227 and 102 patients were identified for Group-AV and Group-AV+AZ respectively. Multivariate regression analysis showed that incidences of secondary bacterial infections were significantly less frequent (23.4% vs 10.4%; P-value = 0.019) in Group-AV+AZ patients. Group-AV+AZ patients were associated with shorter length of hospitalization (6.58 vs 5.09 days; P-value = <0.0001) and less frequent incidences of respiratory support (38.3% vs 17.6%; P-value = 0.016). Overall influenza symptom severity score was statistically significant less for Group-AV+AZ patients on Day-5 (10.68 ± 2.09; P-value = 0.001) of hospitalization.Conclusion: Oseltamivir-Azithromycin combination therapy was found to be more efficacious as compared to oseltamivir alone in rapid recovery and prevention of Influenza associated complications especially in high risk patients.
    Matched MeSH terms: Regression Analysis
  9. Haque S, Khamis MF, Alam MK, Ahmad WMAW
    J Craniofac Surg, 2020 May 04.
    PMID: 32371703 DOI: 10.1097/SCS.0000000000006464
    Studies have claimed that the maxillary arch dimension of unilateral cleft lip and palate (UCLP) patient is significantly smaller than normal patient. Multiple factors (both congenital and post natal treatment factors) are believed to have an impact on the treatment outcome (maxillary arch retardation) of UCLP patient. The aim of this study was to evaluate the effects of multiple factors on the treatment outcome by assessing the maxillary arch dimension of UCLP Children. Eighty-five Malaysian UCLP children were taken who received cheiloplasty and palatoplasty. Laser scanned 3D digital models of UCLP subjects were prepared before any orthodontic treatment and bone grafting at 7.69 ± 2.46 (mean± SD) years of age. Intercanine width (ICW), intermolar width (IMW), and arch depth (AD) measurements of maxillary arch were measured with Mimics software. Multiple linear regression analyses were used to evaluate the association between multiple factors (gender, UCLP type, UCLP side, family history of cleft, family history of class III malocclusion, techniques of cheiloplasty, and techniques of palatoplasty) and maxillary arch dimensions (ICW, IMW, and AD). P value was set at 5%. Significant association was found between 2 techniques of cheiloplasty and ICW (P = 0.001) and also between 2 techniques of palatoplasty and ICW (P = 0.046) of maxilla. No significant association observed in IMW and AD in relation to all other factors. Modified Millard techniques of Cheiloplasty and Bardach technique of palatoplasty had unfavorable effect on the treatment outcome by assessing the maxillary arch dimension (ICW) using laser scanned 3D digital models in Malaysian UCLP children.
    Matched MeSH terms: Regression Analysis
  10. Ng SC, Kaplan GG, Tang W, Banerjee R, Adigopula B, Underwood FE, et al.
    Am J Gastroenterol, 2019 01;114(1):107-115.
    PMID: 30177785 DOI: 10.1038/s41395-018-0233-2
    INTRODUCTION: Living in an urban environment may increase the risk of developing inflammatory bowel disease (IBD). It is unclear if this observation is seen globally. We conducted a population-based study to assess the relationship between urbanization and incidence of IBD in the Asia-Pacific region.

    METHODS: Newly diagnosed IBD cases between 2011 and 2013 from 13 countries or regions in Asia-Pacific were included. Incidence was calculated with 95% confidence interval (CI) and pooled using random-effects model. Meta-regression analysis was used to assess incidence rates and their association with population density, latitude, and longitude.

    RESULTS: We identified 1175 ulcerative colitis (UC), 656 Crohn's disease (CD), and 37 IBD undetermined (IBD-U). Mean annual IBD incidence per 100 000 was 1.50 (95% CI: 1.43-1.57). India (9.31; 95% CI: 8.38-10.31) and China (3.64; 95% CI, 2.97-4.42) had the highest IBD incidence in Asia. Incidence of overall IBD (incidence rate ratio [IRR]: 2.19; 95% CI: 1.01-4.76]) and CD (IRR: 3.28; 95% CI: 1.83-9.12) was higher across 19 areas of Asia with a higher population density. In China, incidence of IBD (IRR: 2.37; 95% CI: 1.10-5.16) and UC (IRR: 2.63; 95% CI: 1.2-5.8) was positively associated with gross domestic product. A south-to-north disease gradient (IRR: 0.94; 95% CI: 0.91-0.98) was observed for IBD incidence and a west-to-east gradient (IRR: 1.14; 95% CI: 1.05-1.24) was observed for CD incidence in China. This study received IRB approval.

    CONCLUSIONS: Regions in Asia with a high population density had a higher CD and UC incidence. Coastal areas within China had higher IBD incidence. With increasing urbanization and a shift from rural areas to cities, disease incidence may continue to climb in Asia.

    Matched MeSH terms: Regression Analysis
  11. Washif JA, Ammar A, Trabelsi K, Chamari K, Chong CSM, Mohd Kassim SFA, et al.
    PMID: 35010662 DOI: 10.3390/ijerph19010402
    The COVID-19 pandemic has affected the lifestyles and training of elite athletes around the world. The detrimental effects of lockdown periods may vary among individuals, as well as among sports and sexes. This study investigated the changes in dietary habits, and the predictors of perceived stress during lockdown and a "bubble" training camp. This cross-sectional, online survey involved 76 elite and world-class athletes from six able-bodied sports and nine parasports, all of whom were involved in a 30-day "bubble" training camp. Questions were asked on socio-demographics, training routines and wellbeing, perceived stress, and dietary habits, pertaining to "normal" training (prelockdown), lockdown training, and "bubble" camp training periods. Changes in perceived stress were trivial to small during lockdown compared to "normal" training, and trivial to moderate during a "bubble" camp, compared to lockdown. Para-athletes, males, older athletes, less experienced athletes, married individuals, and specific ethnicities appeared to be more detrimentally affected (increased perceived stress) by lockdown. These negative experiences, however, were largely reversed during "bubble" camps. During lockdown, more athletes reported increased evening snack consumption (+8%), later meal-times (+6%), decreased fluid intake (-6%), and no breakfast (+7%). These changes were reversed during "bubble" camps (12-18% improvements). Sport classification accounted for 16% of the increased perceived stress (p = 0.001) during lockdown. Overall, socio-demographic factors, improvements in training routines, well-being, and dietary habits explained 28% of the decreased perceived stress during a "bubble" camp. In conclusion, better dietary habits, training routines and well-being have implications for reduced perceived stress. During lockdown, "bubble" camps may be beneficial, but this observation may be a case-by-case consideration, and short split "bubble" periods are recommended.
    Matched MeSH terms: Regression Analysis
  12. Abdel Aziz MH, Badr El Dine FM, Saeed NM
    J Forensic Leg Med, 2016 Nov;44:103-110.
    PMID: 27743546 DOI: 10.1016/j.jflm.2016.10.003
    INTRODUCTION: Identification of sex and ethnicity has always been a challenge in the fields of forensic medicine and criminal investigations. Fingerprinting and DNA comparisons are probably the most common techniques used in this context. However, since they cannot always be used, it is necessary to apply different and less known techniques such as lip prints.

    AIM OF THE WORK: Is to study the pattern of lip print in Egyptian and Malaysian populations and its relation to sex and populations difference. Also, to develop equations for sex and populations detection using lip print pattern by different populations (Egyptian and Malaysian).

    SUBJECTS AND METHODS: The sample comprised of 120 adults volunteers divided into two ethnic groups; sixty adult Egyptians (30 males and 30 females) and sixty adult Malaysians (30 males and 30 females). The lip prints were collected on a white paper. Each lip print was divided into four compartments and were classified and scored according to Suzuki and Tsuchihashi classification. Data were statistically analyzed.

    RESULTS: The results showed that type III lip print pattern (intersected grooves) was the predominant type in both the Egyptian and Malaysian populations. Type II and III were the most frequent in Egyptian males (28.3% each), while in Egyptian females type III pattern was predominant (46.7%). As regards Malaysian males, type III lip print pattern was the predominant one (41.7%), while type II lip print pattern was predominant (30.8%) in Malaysian females. Statistical analysis of different quadrants showed significant differences between males and females in the Egyptian population in the third and fourth quadrants. On the other hand, significant differences were detected only in the second quadrant between Malaysian males and females. Also, a statistically significant difference was present in the second quadrant between Egyptian and Malaysian males. Using the regression analysis, four regression equations were obtained.

    Matched MeSH terms: Regression Analysis
  13. Illias HA, Zhao Liang W
    PLoS One, 2018;13(1):e0191366.
    PMID: 29370230 DOI: 10.1371/journal.pone.0191366
    Early detection of power transformer fault is important because it can reduce the maintenance cost of the transformer and it can ensure continuous electricity supply in power systems. Dissolved Gas Analysis (DGA) technique is commonly used to identify oil-filled power transformer fault type but utilisation of artificial intelligence method with optimisation methods has shown convincing results. In this work, a hybrid support vector machine (SVM) with modified evolutionary particle swarm optimisation (EPSO) algorithm was proposed to determine the transformer fault type. The superiority of the modified PSO technique with SVM was evaluated by comparing the results with the actual fault diagnosis, unoptimised SVM and previous reported works. Data reduction was also applied using stepwise regression prior to the training process of SVM to reduce the training time. It was found that the proposed hybrid SVM-Modified EPSO (MEPSO)-Time Varying Acceleration Coefficient (TVAC) technique results in the highest correct identification percentage of faults in a power transformer compared to other PSO algorithms. Thus, the proposed technique can be one of the potential solutions to identify the transformer fault type based on DGA data on site.
    Matched MeSH terms: Regression Analysis
  14. Hossain MG, Saw A, Ohtsuki F, Lestrel PE, Kamarul T
    Singapore Med J, 2011 Nov;52(11):818-23.
    PMID: 22173252
    Secular changes in the head and body dimensions of the Japanese population were recorded during the last century, but studies on Japanese adult facial shape were poorly documented. This study aimed to document the secular changes in facial shape and their association with craniofacial measures of Japanese adult female students.
    Matched MeSH terms: Regression Analysis
  15. Ali HS, Abdul-Rahim AS, Ribadu MB
    Environ Sci Pollut Res Int, 2017 Jan;24(2):1967-1974.
    PMID: 27798805 DOI: 10.1007/s11356-016-7935-z
    The main aim of this article is to examine empirically the impact of urbanization on carbon dioxide emissions in Singapore from 1970 to 2015. The autoregressive distributed lags (ARDL) approach is applied within the analysis. The main finding reveals a negative and significant impact of urbanization on carbon emissions in Singapore, which means that urban development in Singapore is not a barrier to the improvement of environmental quality. Thus, urbanization enhances environmental quality by reducing carbon emissions in the sample country. The result also highlighted that economic growth has a positive and significant impact on carbon emissions, which suggests that economic growth reduces environmental quality through its direct effect of increasing carbon emissions in the country. Despite the high level of urbanization in Singapore, which shows that 100 % of the populace is living in the urban center, it does not lead to more environmental degradation. Hence, urbanization will not be considered an obstacle when initiating policies that will be used to reduce environmental degradation in the country. Policy makers should consider the country's level of economic growth instead of urbanization when formulating policies to reduce environmental degradation, due to its direct impact on increasing carbon dioxide emissions.
    Matched MeSH terms: Regression Analysis
  16. Tan F, Lim HS, Abdullah K, Holben B
    Environ Sci Pollut Res Int, 2016 Feb;23(3):2735-48.
    PMID: 26438373 DOI: 10.1007/s11356-015-5506-3
    This study aims to investigate and establish a suitable model that can help to estimate aerosol optical depth (AOD) in order to monitor aerosol variations especially during non-retrieval time. The relationship between actual ground measurements (such as air pollution index, visibility, relative humidity, temperature, and pressure) and AOD obtained with a CIMEL sun photometer was determined through a series of statistical procedures to produce an AOD prediction model with reasonable accuracy. The AOD prediction model calibrated for each wavelength has a set of coefficients. The model was validated using a set of statistical tests. The validated model was then employed to calculate AOD at different wavelengths. The results show that the proposed model successfully predicted AOD at each studied wavelength ranging from 340 nm to 1020 nm. To illustrate the application of the model, the aerosol size determined using measure AOD data for Penang was compared with that determined using the model. This was done by examining the curvature in the ln [AOD]-ln [wavelength] plot. Consistency was obtained when it was concluded that Penang was dominated by fine mode aerosol in 2012 and 2013 using both measured and predicted AOD data. These results indicate that the proposed AOD prediction model using routine measurements as input is a promising tool for the regular monitoring of aerosol variation during non-retrieval time.
    Matched MeSH terms: Regression Analysis
  17. Abd Rashid AA, Ashari LS, Shafiee NH, Raja Ali RA, Yeong Yeh L, Shahril MR, et al.
    BMC Public Health, 2023 Jul 19;23(1):1386.
    PMID: 37468880 DOI: 10.1186/s12889-023-16283-6
    BACKGROUND: Studies on the relationship between diet and colorectal cancer (CRC) risk using single food or nutrient approach are widely conducted as opposed to dietary pattern approach. Therefore, this study aimed to determine the major dietary patterns and their association with CRC risk among Malaysians.

    METHODS: Patients aged between 18 and 80 years old from two teaching hospitals in Peninsular Malaysia were recruited through purposive sampling. Socio-demographic information and anthropometry data were assessed before the colonoscopy procedure, and dietary intake was also recorded using a validated semi-quantitative food frequency questionnaire (FFQ). Cases were those patients having histopathologically proven CRC, while controls were those without.

    RESULTS: Four major dietary patterns were identified: the allergenic diet, plant-based diet, processed diet, and energy-dense diet pattern. After adjusting for potential covariates, the processed diet pattern was consistently associated with CRC (OR = 3.45; 95% CI = 1.25-9.52; P = 0.017) while the plant-based diet, energy-dense diet, and allergenic diet were not associated with CRC risk.

    CONCLUSIONS: The processed diet pattern attributed to a diet high in confectionaries and fast foods was associated with an increased risk of CRC in the Malaysian population. In order to give prevention measures through lifestyle change, more research could be done on the effect of food patterns on faecal microbiota associated with CRC.

    Matched MeSH terms: Regression Analysis
  18. Tung SEH, Ch'ng YZ, Karnan TV, Chong PN, Zubaidah JO, Chin YS
    Nutr Res Pract, 2020 Oct;14(5):490-500.
    PMID: 33029289 DOI: 10.4162/nrp.2020.14.5.490
    BACKGROUND/OBJECTIVES: A cross-sectional study was undertaken to evaluate fluid intake and hydration status in association with cognitive function among 230 adolescents (10-14 years of age) in Petaling Perdana, Selangor, Malaysia.

    SUBJECTS/METHODS: Urine color was used to measure hydration status, while fluid intake was assessed using the 15-item beverage intake questionnaire. Cognitive function was assessed using the Wechsler Intelligence Scale for Children, Fourth Edition.

    RESULTS: More than half of the adolescents were mildly or moderately dehydrated (59.6%) and only one-third (33.0%) were well hydrated. Among the daily fluid types, intakes of soft drinks (r = -0.180; P = 0.006), sweetened tea (r = -0.184; P = 0.005) and total sugar-sweetened beverages (SSBs) (r = -0.199; P = 0.002) were negatively correlated with cognitive function. In terms of hydration status, cognitive function score was significantly higher (F-ratio = 4.102; P = 0.018) among hydrated adolescents (100.38 ± 12.01) than in dehydrated (92.00 ± 13.63) counterparts. Hierarchical multiple linear regression analysis, after adjusting for socio-demographic factors, showed that soft drinks (β = -0.009; P < 0.05) and sweetened tea (β = -0.019; P < 0.05) negatively predicted cognitive function (ΔR2 = 0.044). When further control for sources of fluid, hydration status (β = -2.839; P < 0.05) was shown to negatively predict cognitive function (ΔR2 = 0.021). The above variables contributed 20.1% of the variance in cognitive function.

    CONCLUSIONS: The results highlight the links between fluid intake (soft drinks, sweetened tea, total SSBs) and hydration status with cognitive function in adolescents. Interventions aimed at decreasing the consumption of SSBs and increasing hydration status through healthy fluid choices, such as water, could improve cognitive performance in adolescents.

    Matched MeSH terms: Regression Analysis
  19. Chin NS, Khoo S, Low WY
    J Hum Kinet, 2012 Jun;33:151-61.
    PMID: 23486244 DOI: 10.2478/v10078-012-0054-0
    This study investigated gender, age group and locality differences in adolescent athletes' self-determination motivation and goal orientations in track and field. It also examined the relationship between the self-determination theory and achievement goal theory. A total of 632 (349 boys, 283 girls) adolescent athletes (aged 13-18 years) completed the Sports Motivation Scale and Task and Ego Orientation in Sport Questionnaire. Results indicated significant differences between gender on intrinsic motivation, extrinsic motivation, amotivation (t(630) = 4.10, p < 0.05) and ego orientation (t(630) = 2.48, p < 0.05). Male students reported higher intrinsic motivation, extrinsic motivation, amotivation and ego orientation. A significant difference was found between age groups on task orientation (t(630) = 1.94, p < 0.05) and locality on ego orientation (t(630) = 1.94, p < 0.05). Older athletes showed significantly higher task orientation. Rural athletes had higher ego orientation whereas urban athletes have higher intrinsic motivation. Task orientation was related to intrinsic motivation (r = 0.55, p < 0.01), extrinsic motivation (r = 0.55, p < 0.01), but weakly related to amotivation (r = 0.10, p < 0.01). Ego orientation was related to intrinsic motivation (r = 0.30, p < 0.01), extrinsic motivation (r = 0.36, p < 0.01) and amotivaion (r = 0.36, p < 0.01). Task orientation was related to ego orientation (r = 0.29, p < 0.01). Multiple regression analysis showed intrinsic motivation, extrinsic motivation and amotivation accounted for 30.5% of the variances in task orientation.
    Matched MeSH terms: Regression Analysis
  20. Saddki N, Sukerman N, Mohamad D
    Malays J Med Sci, 2017 Mar;24(1):59-68.
    PMID: 28381929 DOI: 10.21315/mjms2017.24.1.7
    BACKGROUND: This study investigated the association of emotional intelligence (EI) and other factors with perceived stress (PS) in undergraduate dental students.

    METHODS: A total of 234 undergraduate dental students at the School of Dental Sciences, Universiti Sains Malaysia (USM), in the academic year of 2009/2010, participated in this cross-sectional study. Self-administered questionnaires, the Assessing Emotions Scale and the Perceived Stress Scale (PSS-10), were used to evaluate EI and PS, respectively.

    RESULTS: The mean EI score was 121.2 (SD 11.85). The scores were significantly higher in females than males, and in students who chose dentistry based on their own interest rather than in those who were motivated by others to study dentistry. The mean PSS-10 score was 21.2 (SD 5.08). Pearson correlation analysis indicated a significant inverse relationship between EI and PSS-10 scores (r = -0.337). Multi-variable regression analysis also indicated a significant negative linear association between EI and PSS-10 scores (b = -0.156, 95% CI: -0.207, -0.104). PSS-10 scores were significantly higher for students who were in the clinical years rather than the preclinical years.

    CONCLUSIONS: This study of USM undergraduate dental students shows that a low EI, female sex, and being in the clinical years were significant predictors of PS.
    Matched MeSH terms: Regression Analysis
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