Displaying publications 1061 - 1080 of 2312 in total

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  1. Fulltext Online health information seeking among people with diabetes mellitus and its association with self-management
    Leelavathi M, Teh Rohaila J, Thenmolle A, Mohamad Salehuddin MS, Barathan M, Natasha PJ, et al.
    Medicine & Health, 2018;13(2):72-82.
    MyJurnal
    Diabetes requires dedicated self-management to be able to achieve good control and outcome as this is a lifelong condition. The internet offers an amazing wealth of health information which may influence diabetes self-management. The aim of this study was to determine the prevalence of online health information seeking among people with diabetes and its associated factors. About 380 participants answered the online health information seeking questionnaire developed from literature search and expert panel review. Diabetes Self-Management was assessed using the Diabetes Self-Management Questionnaire (DSMQ). The prevalence of online health information seeking among people with diabetes was 38.4%. Common information sought included diabetes treatment (82.9%) lifestyle modification (77.4%) and diabetes prevention (67.3%). A large majority (93.1%) felt that the online information on diabetes was useful. Doctors and printed reading materials were the most common sources of information for diabetes (94.2% & 65.3%). Lower median age (59 years, IQR = 11), having a family member with diabetes, (COR = 1.188) tertiary education (COR = 6.037) and those who are employed (COR = 3.880) have higher odds of seeking online diabetes related health information. However, there was no significant association between online health information seeking and diabetes self-management. Prevalence of online health information seeking among people with diabetes was at an acceptable level. However, it was not associated with optimal diabetic self-management. Doctors and printed information remain as popular sources of information and hence should be maintained.
    Study site: Pusat Perubatan Universiti Kebangsaan Malaysia (PPUKM), Kuala Lumpur, Malaysia

    Matched MeSH terms: China/ethnology
  2. Risk factors for sebaceous gland diseases and their relationship to gastrointestinal dysfunction in Han adolescents
    Zhang H, Liao W, Chao W, Chen Q, Zeng H, Wu C, et al.
    J Dermatol, 2008 Sep;35(9):555-61.
    PMID: 18837699 DOI: 10.1111/j.1346-8138.2008.00523.x
    Sebaceous gland diseases are a group of common dermatological diseases with multiple causes. To date, a systematic report of the risk factors for sebaceous gland diseases in adolescents has not been published. The aim of this study was to assess the prevalence and risk factors for certain sebaceous gland diseases (seborrhea, seborrheic dermatitis, acne, androgenetic alopecia and rosacea) and their relationship to gastrointestinal dysfunction in adolescents. From August-October, 2002-2005, a questionnaire survey was carried out to obtain epidemiological data about sebaceous gland diseases. Using random cluster sampling, 13 215 Han adolescents aged 12-20 years were recruited from four countries or districts (Macau; Guangzhou, China; Malaysia; and Indonesia). The statistical software SPSS ver. 13.0 was used to analyze the data. The prevalence of seborrhea, seborrheic dermatitis, acne, androgenetic alopecia and rosacea was 28.27%, 10.17%, 51.03%, 1.65% and 0.97%, respectively. Based on multivariate logistic regression analysis, the risk factors for sebaceous gland diseases included: age; duration of local residency; halitosis; gastric reflux; abdominal bloating; constipation; sweet food; spicy food; family history of acne; late night sleeping on a daily basis; excessive axillary, body and facial hair; excessive periareolar hair; and anxiety. There was a statistically significant difference in the prevalence of gastrointestinal symptoms (halitosis; gastric reflux; abdominal bloating; constipation) between patients with and without sebaceous gland diseases (chi(2) = 150.743; P = 0.000). Gastrointestinal dysfunction is an important risk factor for diseases of the sebaceous glands and is correlated with their occurrence and development.
    Matched MeSH terms: China/ethnology
  3. Fulltext Determinants of Health-Related Quality of Life (HRQoL) in the Multiethnic Singapore Population - A National Cohort Study
    Leow MK, Griva K, Choo R, Wee HL, Thumboo J, Tai ES, et al.
    PLoS One, 2013;8(6):e67138.
    PMID: 23826215 DOI: 10.1371/journal.pone.0067138
    BACKGROUND: HRQoL is an important outcome to guide and promote healthcare. Clinical and socioeconomic factors may influence HRQoL according to ethnicity.

    METHODOLOGY: A multiethnic cross-sectional national cohort (N = 7198) of the Singapore general population consisting of Chinese (N = 4873), Malay (N = 1167) and Indian (N = 1158) adults were evaluated using measures of HRQoL (SF-36 version 2), family functioning, health behaviours and clinical/laboratory assessments. Multiple regression analyses were performed to identify determinants of physical and mental HRQoL in the overall population and their potential differential effects by ethnicity. No a priori hypotheses were formulated so all interaction effects were explored.

    PRINCIPAL FINDINGS: HRQoL levels differed between ethnic groups. Chinese respondents had higher physical HRQoL (PCS) than Indian and Malay participants (p<0.001) whereas mental HRQoL (MCS) was higher in Malay relative to Chinese participants (p<0.001). Regressions models explained 17.1% and 14.6% of variance in PCS and MCS respectively with comorbid burden, income and employment being associated with lower HRQoL. Age and family were associated only with MCS. The effects of gender, stroke and musculoskeletal conditions on PCS varied by ethnicity, suggesting non-uniform patterns of association for Chinese, Malay and Indian individuals.

    CONCLUSIONS: Differences in HRQoL levels and determinants of HRQoL among ethnic groups underscore the need to better or differentially target population segments to promote well-being. More work is needed to explore HRQoL and wellness in relation to ethnicity.

    Matched MeSH terms: China/ethnology
  4. Fulltext Solitary focal coronary artery aneurysm in a middle aged male with atypical chest pain (letter)
    Wong PS, Chong CL
    Med J Malaysia, 1999 Dec;54(4):535-6.
    PMID: 11072479
    Comment on: Yeo CK, Khalid Y. Solitary focal coronary artery aneurysm in a middle aged
    male with atypical chest pain. Med J Malaysia. 1999 Mar;54(1):114-6
    Matched MeSH terms: China/ethnology
  5. Lessons learnt from the epidemiology of Helicobacter pylori infection in Malaysia: JGHF Marshall and Warren Lecture 2017
    Goh KL
    J Gastroenterol Hepatol, 2018 Jun;33(6):1177-1184.
    PMID: 29498759 DOI: 10.1111/jgh.14131
    The study of Helicobacter pylori in Malaysia has given several important insights into the epidemiology of the infection and pathogenesis of disease. Malaysia has a multiracial Asian population with three major Asian races living together-Malay, Chinese, and Indian. Races remain fairly distinct because of a paucity of interracial marriages. The "Racial Cohort Hypothesis" proposes that the infection occurs within racial groups rather than between. As such, the high prevalence among Indians (> 50%) and Chinese (40-50%) reflects the high prevalence in their countries of origin even though migration had taken place more than two generations before. The Malays have a comparatively low prevalence of about 10-20%. Despite the high prevalence of H. pylori, the Indians have a low gastric cancer incidence of less than 10 per 100 000 per year. This is in contrast to the Chinese who has an incidence in excess of 20 per 100 000 per year. We have called this the "Indian Enigma." The reason for this enigma is unclear and is the result of interaction between bacterial virulence factors, host susceptibility, and environmental factors. Phylogenetically, Chinese bacterial strains are distinct from Indians and Malays and are predominantly hpEastAsia/hsp EAsia. CagA EPIYA motifs among Chinese belong predominantly to the more virulent ABD motif. There is no clear distinguishing profile among host genetic factors. Environmental factors particularly diet may play an important role. Indians consume chilies and curries, which may be gastro protective, whereas Chinese consume more preserved and salted foods, which are thought to be carcinogenic.
    Matched MeSH terms: China/ethnology
  6. Fulltext Forensic characterization of 15 autosomal STRs in four populations from Xinjiang, China, and genetic relationships with neighboring populations
    Zhan X, Adnan A, Zhou Y, Khan A, Kasim K, McNevin D
    Sci Rep, 2018 03 16;8(1):4673.
    PMID: 29549272 DOI: 10.1038/s41598-018-22975-6
    The Xinjiang Uyghur Autonomous Region of China (XUARC) harbors 47 ethnic groups including the Manchu (MCH: 0.11%), Mongols (MGL: 0.81%), Kyrgyz (KGZ: 0.86%) and Uzbek (UZK: 0.066%). To establish DNA databases for these populations, allele frequency distributions for 15 autosomal short tandem repeat (STR) loci were determined using the AmpFlSTR Identifiler PCR amplification kit. There was no evidence of departures from Hardy-Weinberg equilibrium (HWE) in any of the four populations and minimal departure from linkage equilibrium (LE) for a very small number of pairwise combinations of loci. The probabilities of identity for the different populations ranged from 1 in 1.51 × 1017 (MCH) to 1 in 9.94 × 1018 (MGL), the combined powers of discrimination ranged from 0.99999999999999999824 (UZK) to 0.9999999999999999848 (MCH) and the combined probabilities of paternal exclusion ranged from 0.9999979323 (UZK) to 0.9999994839 (MCH). Genetic distances, a phylogenetic tree and principal component analysis (PCA) revealed that the MCH, KGZ and UZK are genetically closer to the Han population of Liaoning and the Mongol population of Mongolia while the MGL are closer to Han, Japanese, Korean, Malaysian, Hong Kong Han and Russians living in China.
    Matched MeSH terms: China/ethnology
  7. Plasma homocysteine reference values of adult Malaysians from three ethnic groups
    Lopez JB, Peng CL
    Clin Chim Acta, 2004 Feb;340(1-2):235-8.
    PMID: 14734218 DOI: 10.1016/j.cccn.2003.11.007
    Matched MeSH terms: China/ethnology
  8. Apolipoprotein E genotyping in the Malay, Chinese and Indian ethnic groups in Malaysia - a study on the distribution of the different apoE alleles and genotypes
    Seet WT, Mary Anne TJ, Yen TS
    Clin Chim Acta, 2004 Feb;340(1-2):201-5.
    PMID: 14734213 DOI: 10.1016/j.cccn.2003.11.001
    BACKGROUND: Apolipoprotein E (apoE) is encoded by a polymorphic gene located on chromosome 19. The three common apoE alleles are epsilon2, epsilon3 and epsilon4. We studied the frequencies of the apoE alleles and genotypes in the three ethnic groups-Malay, Chinese and Indian-in Malaysia using DNA amplification followed by agarose gel electrophoresis.
    METHODS: EDTA blood was collected and DNA was extracted using proteinase K-SDS digestion and purified by phenol-chloroform extraction. The apoE gene sequence was amplified using the PCR and apoE genotyping was performed by restriction enzyme digestion with HhaI.
    RESULTS: Genotyping of the apoE gene produces six genotypes-E2/E2, E2/E3, E3/E3, E2/E4, E3/E4 and E4/E4. The most common apoE genotype in the Malays, Chinese and Indians studied was E3/E3, thus the most common apoE allele was epsilon3. The three common apoE genotypes were E3/E3 followed by E3/E4 and E2/E3, except in the Indians where E2/E3 was not detected. The three apoE alleles were confirmed in the Malays, Chinese and Indians except for the epsilon2 allele which was absent in the Indians.
    CONCLUSION: The combined frequency of the apoE alleles in the Malays, Chinese and Indians was 0.058, 0.829 and 0.114 for epsilon2, epsilon3 and epsilon4, respectively.
    Matched MeSH terms: China/ethnology
  9. Fulltext CYP2C9 polymorphism: prevalence in healthy and warfarin-treated Malay and Chinese in Malaysia
    Ngow HA, Wan Khairina WM, Teh LK, Lee WL, Harun R, Ismail R, et al.
    Singapore Med J, 2009 May;50(5):490-3.
    PMID: 19495518
    Genetic polymorphisms of CYP2C9 among different populations in different geographical regions could be different. CYP2C9 has been reported to be the enzyme responsible for the metabolism of many drugs, including warfarin and other drugs with a narrow therapeutic index. Realising the importance of inter-individual differences in the genetic profile in determining the outcome of a drug therapy, this study was conducted to explore the types and frequencies of CYP2C9 alleles in healthy and warfarin-treated Malays and Chinese, the two major ethnic groups in Malaysia. We aimed to evaluate the prevalence of the types and frequencies of common CYP2C9 alleles (*1, *2, *3 and *4) among the healthy unrelated individuals and diseased patients prescribed with warfarin.
    Matched MeSH terms: China/ethnology
  10. Fulltext Craniofacial anthropometric norms of Malays
    Ngeow WC, Aljunid ST
    Singapore Med J, 2009 May;50(5):525-8.
    PMID: 19495526
    INTRODUCTION: This study was undertaken to establish the craniofacial anthropometric norms of young adult Malaysian Malays.
    METHODS: The study group consisted of convenient samples of 100 healthy volunteers (aged 18-25 years), with an equal number of female and male subjects who had no history of mixed racial parentage. 22 linear measurements were taken twice from 22 landmarks over six craniofacial regions.
    RESULTS: The Malays shared many similar sizes of measurements with the Singaporean Chinese. Their left eye fissure length and mouth width (ch-ch) were almost identical for both genders. However, Malay females had an upper lip height (sn-sto) (left) and ear width (pra-pa) similar to Singaporean Chinese females. Six other measurements, viz. the head width (eu-eu), head circumference (on-op), face height (n-gn), lower face height (sn-gn), (left) eye fissure height (ps-pi), cutaneous upper lip height (sn-ls) and cutaneous upper lip height (ls-sto), were 0.4-4.3 mm less in the Malays. Measurements for another four parameters, viz. the length of the head (g-op), biocular width (ex-ex), lower vermillion height (sto-li) and (left) ear length (sa-sba), were 0.5-3.6 mm higher in the Malays. Only three measurements were obviously different; the height of the head (v-n) and intercanthal width (en-en), were lower, and the protrusion of the nasal tip (sn-prn) was higher in the Malays.
    CONCLUSION: These findings suggest that three features, i.e. the height of the head (v-n), intercanthal width (en-en) and protrusion of the nasal tip (sn-prn) may be useful in differentiating a Malay face from a Singaporean Chinese one.
    Matched MeSH terms: China/ethnology
  11. Fulltext Intestinal lymphangiectasia--a report of three Chinese children in Malaysia
    Lee WS, Boey CC, Goh AY, Chang KW, Iyngkaran N
    Singapore Med J, 1998 Sep;39(9):418-21.
    PMID: 9885723
    This is a report of 3 Chinese children with intestinal lymphangiectasia in Malaysia. Two children responded to a low fat diet and medium-chain triglyceride supplement. The third child has recurrent chylous ascites. None of the children has recurrent infections despite low CD4+ cells and low levels of IgG and IgA. Intestinal lymphangiectasia is a rare congenital disorder of the mesenteric lymphatic that leads to the obstruction of the lymphatics of the intestine and protein losing enteropathy. Restriction of dietary fat intake will usually result in remission. Recurrent chylous ascites is a problem and management can be difficult.
    Matched MeSH terms: China/ethnology
  12. Fulltext Reference ranges for lymphocyte subsets in a defined Malaysian population
    Dhaliwal JS, Balasubramaniam T, Quek CK, Gill HK, Nasuruddin BA
    Singapore Med J, 1995 Jun;36(3):288-91.
    PMID: 8553095
    The aim of this study was to establish the lymphocyte subset reference ranges in a defined Malaysian population as well as to determine inter-racial differences for these values. Normal blood obtained from 152 subjects (55.9% Malay, 26.3% Chinese and 17.7% Indian) was immunophenotyped. Results obtained (expressed as mean +/- SD %), absolute count (x 10(6) cells/mm3) were as follows: CD3:66.5 +/- 8.6%, 2,066; CD4:33.2 +/- 8.5%, 1,028; CD831.6 +/- 8.9%, 982; CD19:12.0 +/- 0%, 5,374, and CD56+CD16:20.9 +/- 9%, 1,638. There were no significant differences between the percent lymphocyte subsets of the three racial groups. However, the absolute number of CD4 cells and CD19 cells in Chinese was significantly lower (p < 0.05) compared to the Indian and the Indian and Malay groups respectively. Comparison of our results with other reports showed that the percentage of Natural Killer cells in this population is higher than that reported for Caucasian population.
    Matched MeSH terms: China/ethnology
  13. Fulltext Cervical screening in elderly women in Singapore
    Ho T, Yoong T
    Singapore Med J, 1996 Feb;37(1):61-5.
    PMID: 8783916
    The study was conducted to determine the pick-up rate of abnormal cervical smears and the prevalence rate of cervical cancer in women aged 60 years and above and the demographic characteristics of the women screened. The pick-up rate of abnormal cervical smears was 1.65%. The prevalence rate for cervical intraepithelial neoplasia and frank carcinoma was 6.4 and 5.0 per thousand women screened respectively. The study group comprised 89.7% Chinese, 4.7% Malays, 3.6% Indians and 2.0% Others. The pick-up rate of abnormal smears was 1.9% in the Chinese and 1.3% in the Indians. There were no abnormal smears in the Malays and Others. The results demonstrate the importance of a routine cervical cancer screening programme among elderly women aged 60 years and above in Singapore.
    Matched MeSH terms: China/ethnology
  14. Fulltext Birth defects in Singapore: 1994-2000
    Tan KH, Tan TY, Tan J, Tan I, Chew SK, Yeo GS
    Singapore Med J, 2005 Oct;46(10):545-52.
    PMID: 16172775
    To study characteristics of birth defect cases among live births, stillbirths and abortions in Singapore between 1994 and 2000.
    Matched MeSH terms: China/ethnology
  15. Fulltext Inguinal bubo: problems in diagnosis
    Mohammed KN
    Singapore Med J, 1992 Dec;33(6):600-2.
    PMID: 1488670
    Two of the four patients with tropical venereal diseases underwent incision and drainage of the inguinal bubo resulting in discharging sinus before they were referred to the Skin Clinic. Clinical diagnosis was made in all four but could not be confirmed. With appropriate therapy resolution was achieved without complications. The difficulties in arriving at and establishing the diagnosis are discussed.

    Study site: Department of Dermatology
    Sultanah Aminah General Hospital
    Matched MeSH terms: China/ethnology
  16. Fulltext Education and myopia in 110,236 young Singaporean males
    Au Eong KG, Tay TH, Lim MK
    Singapore Med J, 1993 Dec;34(6):489-92.
    PMID: 8153707
    Computerised data of 110,236 Singaporean males aged 15 to 25 (mean 17.75) years who underwent compulsory medical examination from April 1987 to January 1992 were used to estimate the prevalence and severity of myopia among young Chinese, Malay, Indian and Eurasian Singaporean males with different educational levels. The prevalence and severity of myopia amongst the groups with different educational levels were compared. These groups were fairly well-matched for important known confounding factors such as age, sex, race and degree of urbanisation of place of residence. Our data showed a positive association between educational attainment and both the prevalence and severity of myopia. Both the prevalence of myopia and the proportion of myopes with severe myopia were in general higher among those with more years of formal education.
    Matched MeSH terms: China/ethnology
  17. Fulltext Factors influencing pulse oximetry as compared to functional arterial saturation in multi-ethnic Singapore
    Lee KH, Hui KP, Tan WC, Lim TK
    Singapore Med J, 1993 Oct;34(5):385-7.
    PMID: 8153680
    Noninvasive oximetry provides continuous monitoring of arterial oxygen saturation and hence, early detection of hypoxia. This has proved to be a useful adjunct to patients' safety, and is considered indispensable in certain settings. However, errors may be present in the pulse oximeter estimation (SpO2) of arterial oxygen saturation (SaO2), which may be due to various parameters. We have studied a multi-ethnic population where the skin pigmentation is different, and also under different conditions comparing SpO2 with SaO2. Our results showed that SpO2 estimation of SaO2 amongst the three racial groups (Chinese, Malays, and Indians) varied significantly (ANOVA, p < 0.05). The over-estimation was more pronounced by hypoxic conditions and jaundice. Haemoglobin and systolic blood pressure did not affect the difference between SpO2 and SaO2.
    Matched MeSH terms: China/ethnology
  18. Fulltext Juvenile myoclonic epilepsy--a report of 11 patients at the University Hospital, Kuala Lumpur
    Manonmani V, Tan CT
    Singapore Med J, 1993 Oct;34(5):378-80.
    PMID: 8153678
    This is a report on 11 cases of Juvenile Myoclonic Epilepsy (JME) from the University Hospital, Kuala Lumpur, all of whom were diagnosed in the last one and a half years. This genetic syndrome is seen in all the three main racial groups: Chinese, Malays and Indians. It accounts for 2% of the epilepsy patients seen at the neurology clinic. Lack of awareness is the main hindrance to diagnosis.
    Study site: Neurology clinic, University Malaya Medical Centre (UMMC), Kuala Lumpur, Malaysia
    Matched MeSH terms: China/ethnology
  19. Fulltext Chinese in west Malaysia: the geography of beta thalassaemia mutations
    George-Kodiseri E, Yang KG, Kutlar F, Wilson JB, Kutlar A, Stoming TA, et al.
    Singapore Med J, 1990 Aug;31(4):374-7.
    PMID: 2255937
    The overseas Chinese in West Malaysia are almost exclusively from the south-eastern provinces of China-Kwangtung, Fukien, and Kwangsi. To institute a comprehensive thalassaemia control programme for this region we have characterised the beta thalassaemia mutations in 16 Chinese patients from West Malaysia: 4 beta thalassaemia mutations were seen: a) an A----G substitution in the TATA box [-28 base pairs (bp)], an A----T substitution in codon 17 [17 A----T], c) a 4 base pairs - TCTT deletion in codon 41-42 [frameshift mutation (FSC 41-42)], and d) a C----T substitution at the second intervening sequence (IVS 11) position 654. Similar mutations have been described in patients from the south-eastern provinces of China. The delineation of the specific mutations present will enable effective prenatal diagnosis for beta thalassaemia of ethnic Chinese in West Malaysia to be instituted.
    Matched MeSH terms: China/ethnology
  20. Fulltext Birth weight distribution, mean birth weights, and Low Birth Weights among various ethnic groups in Malaysian newborns
    Yadav H
    Singapore Med J, 1983 Jun;24(3):145-9.
    PMID: 6635677
    The birth weight distribution, mean birth weight and incidence of LBW amongst the various ethnic groups in Malaysia is described briefly. The data collected and analysed is hospital data where all deliveries in 1980 were analysed. The mean birth weight showed that the Chinese had the highest Mean Birth Weight amongst the three ethnic groups and the Indians had the lowest mean birth weights. The overall incidence of LBW was 11.8% and the Malay and Indian babies constituted the high
    incidence of LBW whereas the Chinese had a low incidence of LBW babies in the study. Amongst the various ethnic groups the Indians had a higher incidence of LBW compared to the Chinese and Malays.
    Matched MeSH terms: China/ethnology
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