Displaying publications 1 - 20 of 111 in total

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  1. Cheah PY, Liong ML, Yuen KH, Lee S, Yang JR, Teh CL, et al.
    World J Urol, 2006 Feb;24(1):79-87.
    PMID: 16465553 DOI: 10.1007/s00345-005-0037-z
    The objective of the study is to determine the short- and long-term utility of the Chinese, Malay and English versions of the National Institutes of Health--Chronic Prostatitis Symptom Index (NIH-CPSI) in our ethnically diverse population. The NIH-CPSI was translated into Chinese and Malay, and then verified by back translation into English. Subjects included 100 new chronic prostatitis/chronic pelvic pain (CP/CPPS) patients, 71 new benign prostatic hyperplasia patients and 97 healthy individuals. Reliability was evaluated with test-retest reproducibility (TR) by calculating intraclass correlation coefficients (ICC). Internal consistency was evaluated by calculating Cronbach's alpha (alpha). Validity assessments included discriminant and construct validity. (Presented in the order of Chinese, Malay then English). ICC values for short-term (1 week) TR were 0.90, 0.80 and 0.89, while ICC values for long-term (14 weeks) TR were 0.54, 0.61 and 0.61. Cronbach's alpha values were 0.63, 0.62 and 0.57. The NIH-CPSI total score discriminated CP/CPPS patients (P<0.001) from the control groups with receiver operating curve values of 0.95, 0.98 and 0.94, respectively. Construct validity, reflected by the correlation coefficient values between the International Prostate Symptom Score and the NIH-CPSI of CP/CPPS patients were 0.72, 0.49 and 0.63 (all P<0.05). The Chinese, Malay and English versions of the NIH-CPSI each proved effective in our population. Short-term TR and discriminant validity were excellent for all three versions. However, long-term TR was only moderate, which might reflect variation in patients' perceptions of symptoms over time.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  2. Lee YY, Waid A, Tan HJ, Chua AS, Whitehead WE
    World J Gastroenterol, 2012 Nov 28;18(44):6475-80; discussion p. 6479.
    PMID: 23197894 DOI: 10.3748/wjg.v18.i44.6475
    To survey irritable bowel syndrome (IBS) using Rome III criteria among Malays from the north-eastern region of Peninsular Malaysia.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  3. Endarti D, Riewpaiboon A, Thavorncharoensap M, Praditsitthikorn N, Hutubessy R, Kristina SA
    Value Health Reg Issues, 2018 May;15:50-55.
    PMID: 29474178 DOI: 10.1016/j.vhri.2017.07.008
    OBJECTIVES: To gain insight into the most suitable foreign value set among Malaysian, Singaporean, Thai, and UK value sets for calculating the EuroQol five-dimensional questionnaire index score (utility) among patients with cervical cancer in Indonesia.

    METHODS: Data from 87 patients with cervical cancer recruited from a referral hospital in Yogyakarta province, Indonesia, from an earlier study of health-related quality of life were used in this study. The differences among the utility scores derived from the four value sets were determined using the Friedman test. Performance of the psychometric properties of the four value sets versus visual analogue scale (VAS) was assessed. Intraclass correlation coefficients and Bland-Altman plots were used to test the agreement among the utility scores. Spearman ρ correlation coefficients were used to assess convergent validity between utility scores and patients' sociodemographic and clinical characteristics. With respect to known-group validity, the Kruskal-Wallis test was used to examine the differences in utility according to the stages of cancer.

    RESULTS: There was significant difference among utility scores derived from the four value sets, among which the Malaysian value set yielded higher utility than the other three value sets. Utility obtained from the Malaysian value set had more agreements with VAS than the other value sets versus VAS (intraclass correlation coefficients and Bland-Altman plot tests results). As for the validity, the four value sets showed equivalent psychometric properties as those that resulted from convergent and known-group validity tests.

    CONCLUSIONS: In the absence of an Indonesian value set, the Malaysian value set was more preferable to be used compared with the other value sets. Further studies on the development of an Indonesian value set need to be conducted.

    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  4. Wee HL, Li SC, Xie F, Zhang XH, Luo N, Feeny D, et al.
    Value Health, 2008 Mar;11 Suppl 1:S3-10.
    PMID: 18387064 DOI: 10.1111/j.1524-4733.2008.00361.x
    OBJECTIVES: To assess the validity, feasibility and acceptability of standard gamble (SG) and time trade-off (TTO) assessments in a multiethnic Asian population.
    METHODS: Through in-depth interviews performed among Chinese, Malay, and Indian Singaporeans (education >or= 6 years), we assessed validity of SG/TTO methods for eliciting health preferences by hypothesizing that 1) SG/TTO scores for three hypothetical health states (HS) would exhibit ranked order (decreasing scores with worse HS); and 2) more subjects would rate the most severe HS as worse than dead. Subjects also evaluated feasibility and acceptability of SG/TTO using a 10-point visual analog scale (VAS) and open-ended questions. Ratings were compared using Kruskal-Wallis, Wilcoxon signed-rank tests or tests of proportions.
    RESULTS: VALIDITY: In 62 subjects (90% response rate), as hypothesized, SG and TTO scores exhibited ranked order with increasing HS severity (SG: 0.85, 0.08, -19.00; TTO: 0.85, 0.00, -0.18). More subjects rated the most severe HS as worse than dead (SG: 8%, 39%, 59%; TTO: 8%, 45% and 62%).
    FEASIBILITY: Subjects felt SG and TTO were easy to understand (median VAS scores: 8.0 vs. 8.0, P = 0.87) and to complete (8.0 vs. 8.0, P = 0.84). Acceptability: SG and TTO were well accepted, with TTO less so than SG (median [interquartile range] offensiveness: 2.0 [0, 4.0] vs. 2.0 [0, 3.0], P = 0.045). Overall, subjects did not have a clear preference for SG/TTO (50% vs. 45%, P = 0.70).
    CONCLUSIONS: This study suggests the validity, feasibility and acceptability of SG and TTO for population-based HS valuation studies in a multiethnic Asian population.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  5. Singh S, Khang TF, Andiappan H, Nissapatorn V, Subrayan V
    Trans R Soc Trop Med Hyg, 2012 May;106(5):322-6.
    PMID: 22480791 DOI: 10.1016/j.trstmh.2012.01.009
    Toxoplasma gondii is a public health risk in developing countries, especially those located in the tropics. Widespread infection may inflict a substantial burden on state resources, as patients can develop severe neurological defects and ocular diseases that result in lifelong loss of economic independence. We tested sera for IgG antibody from 493 eye patients in Malaysia. Overall age-adjusted seroprevalence was estimated to be 25% (95% CI: [21%, 29%]). We found approximately equal age-adjusted seroprevalence in Chinese (31%; 95% CI: [25%, 38%]) and Malays (29%; 95% CI: [21%, 36%]), followed by Indians (19%; 95% CI: [13%, 25%]). A logistic regression of the odds for T. gondii seroprevalence against age, gender, ethnicity and the occurrence of six types of ocular diseases showed that only age and ethnicity were significant predictors. The odds for T. gondii seroprevalence were 2.7 (95% CI for OR: [1.9, 4.0]) times higher for a patient twice as old as the other, with ethnicity held constant. In Malays, we estimated the odds for T. gondii seroprevalence to be 2.9 (95% CI for OR: [1.8, 4.5]) times higher compared to non-Malays, with age held constant. Previous studies of T. gondii seroprevalence in Malaysia did not explicitly adjust for age, rendering comparisons difficult. Our study highlights the need to adopt a more rigorous epidemiological approach in monitoring T. gondii seroprevalence in Malaysia.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  6. Tan WS, Ng CJ, Khoo EM, Low WY, Tan HM
    Aging Male, 2011 Dec;14(4):231-6.
    PMID: 22115177 DOI: 10.3109/13685538.2011.597463
    The etiology of erectile dysfunction (ED) is multi-factorial. This paper examines the association between ED, testosterone deficiency syndrome (TDS) and metabolic syndrome (MS) in Malaysian men in an urban setting. One thousand and forty-six men aged ≥ 40 years from Subang Jaya, Malaysia were randomly selected from an electoral-roll list. The men completed questionnaires that included: socio-demographic data, self-reported medical problems and the International Index of erectile function (IIEF-5). Physical examination and the following biochemical tests were performed: lipid profile, fasting blood glucose (FBG) and total testosterone. The response rate was 62.8% and the mean age of men was 55.8 ± 8.4 (41-93) years. Ethnic distribution was Chinese, 48.9%; Malay, 34.5%; Indian, 14.8%. The prevalence of moderate-severe ED was 20.0%, while 16.1% of men had TDS (< 10.4 nmol/L) and 31.3% of men had MS. Indian and Malay men were significantly more likely to have ED (p  = 0.001), TDS (p  < 0.001) and MS (p < 0.001) than the Chinese. Multivariate regression analysis showed that elevated blood pressure, elevated FBG, low high-density lipoprotein and heart disease were predictors of ED while all MS components were independently associated with TDS. Malay and Indian men have a higher disease burden compared to Chinese men and were more likely to suffer with ED, TDS and MS. MS components were closely related to TDS and ED.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  7. Cheah WL, Lee PY, Chang CT, Mohamed HJ, Wong SL
    PMID: 23691641
    Although the association between non-alcoholic fatty liver disease (NAFLD) and metabolic syndrome has been previously firmly established, the prevalence of NAFLD and its risk factors in rural communities remains incompletely defined. This study aimed to determine the prevalence and factors associated with ultrasound-diagnosed NAFLD amongst a rural community in Sarawak. An indigenous village was randomly selected where all adults aged 21 years and above underwent an abdominal ultrasound, biochemical tests and an anthropometric assessment. Respondents with a score > or =8 on an alcohol-use disorders-identification test (AUDIT) indicating harmful or hazardous drinking were excluded. Seventy-seven respondents (46.8% male, mean age 48.4 SD 16.64), met inclusion criteria. The prevalence of ultrasound diagnosed NAFLD was 44.2% (n=34), among them 52.9% had moderate NAFLD. There were no significant age or gender differences between respondents with and without NAFLD, although those with NAFLD were older. Respondents with NAFLD had a significantly higher BMI t,han those without NAFLD (p<0.001). Both male and female respondents with NAFLD had a significantly higher waist circumference than those without NAFLD (p<0.001). Prevalence of diabetes, hypertension, hyperglycemia and hypertriglyceridemia were significantly higher among those with NAFLD. However, there were no significant differences in terms of percentage of unhealthy body fat and muscle, and serum HDL levels. Risk factors independently associated with NAFLD included male gender (odd ratio 0.06; 95% CI 0.008-0.523) and waist circumference (odd ratio 1.2; 95% CI 1.036-1.421). There was a high prevalence of NAFLD and the presence of more severe stages of disease in this indigenous population. Life-style related diseases, such as fatty liver disease, can occur in rural as well as urban populations.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  8. Azma RZ, Ainoon O, Hafiza A, Azlin I, Noor Farisah AR, Nor Hidayati S, et al.
    Malays J Pathol, 2014 Apr;36(1):27-32.
    PMID: 24763232 MyJurnal
    Alpha (Α) thalassaemia is the most common inherited disorder in Malaysia. The clinical severity is dependant on the number of Α genes involved. Full blood count (FBC) and haemoglobin (Hb) analysis using either gel electrophoresis, high performance liquid chromatography (HPLC) or capillary zone electrophoresis (CE) are unable to detect definitively alpha thalassaemia carriers. Definitive diagnosis of Α-thalassaemias requires molecular analysis and methods of detecting both common deletional and non-deletional molecular abnormailities are easily performed in any laboratory involved in molecular diagnostics. We carried out a retrospective analysis of 1623 cases referred to our laboratory in Universiti Kebangsaan Malaysia Medical Centre (UKMMC) for the diagnosis of Α-thalassaemia during the period October 2001 to December 2012. We examined the frequency of different types of alpha gene abnormalities and their haematologic features. Molecular diagnosis was made using a combination of multiplex polymerase reaction (PCR) and real time PCR to detect deletional and non-deletional alpha genes relevant to southeast Asian population. Genetic analysis confirmed the diagnosis of Α-thalassaemias in 736 cases. Majority of the cases were Chinese (53.1%) followed by Malays (44.2%), and Indians (2.7%). The most common gene abnormality was ΑΑ/--(SEA) (64.0%) followed by ΑΑ/-Α(3.7) (19.8%), -Α(3.7) /--(SEA) (6.9%), ΑΑ/ΑΑCS (3.0%), --(SEA)/--(SEA) (1.2%), -Α(3.7)/-Α(3.7) (1.1%), ΑΑ/-Α(4.2) (0.7%), -Α(4.2)/--(SEA (0.7%), -Α(3.7)/-Α(4.2) (0.5%), ΑΑ(CS)/-- SEA) (0.4%), ΑΑ(CS)/ΑΑ(Cd59) (0.4%), ΑΑ(CS)/ΑΑ(CS) (0.4%), -Α(3.7)/ΑΑ(Cd59) (0.3%), ΑΑ/ΑΑ(Cd59) (0.1%), ΑΑ(Cd59)/ ΑΑ(IVS I-1) (0.1%), -Α(3.7)/ΑΑ(CS) (0.1%) and --(SEA) /ΑΑ(Cd59) (0.1%). This data indicates that the molecular abnormalities of Α-thalassaemia in the Malaysian population is heterogenous. Although Α-gene deletion is the most common cause, non-deletional Α-gene abnormalities are not uncommon and at least 3 different mutations exist. Establishment of rapid and easy molecular techniques is important for definitive diagnosis of alpha thalassaemia, an important prerequisite for genetic counselling to prevent its deleterious complications.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  9. Tan CC, Lim D, Mohd Hisham NQ, Elias NA, Azli AS, Goh YC
    Malays J Pathol, 2023 Aug;45(2):237-246.
    PMID: 37658533
    INTRODUCTION: Oral candidiasis is one of the most common fungal infections that has been widely reported around the world. In Malaysia, the available studies for this infection are scarce.

    MATERIALS AND METHODS: This is a 20-year retrospective study aimed to investigate the prevalence, demographic characteristics, clinical presentations, and the association of oral candidiasis with clinical parameters in oral candidiasis cases reported in the Faculty of Dentistry, Universiti Malaya from 1999 until 2019. A total of 12,964 histopathological records from the Oral Pathology Diagnostic and Research Laboratory (OPDRL) between 1999 to 2019 were retrieved. Oral candidiasis cases were selected according to the inclusion and exclusion criteria. Information of interest was obtained and analysed.

    RESULTS: From the total records retrieved, 378 oral candidiasis cases were recorded and 82.8% were diagnosed from smear test. This study showed that oral candidiasis was predominantly reported in female (64.2%) and Indian population (64.2%). The peak incidence was in the sixth decades of life (27.0%). The most commonly affected site was tongue and coated tongue was the most common clinical presentation. More than 50% of the cases had comorbidity and 10.6% were associated with dentures. Ethnicity and site of occurrence were significantly associated (p<0.05) with oral candidiasis.

    CONCLUSION: This is the first large-scale study of oral candidiasis cases in Malaysia. The findings of this study are useful for clinical assessment of patients suspected of oral candidiasis.

    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  10. Yang PL, Lu Y, Khoo CM, Leow MK, Khoo EY, Teo A, et al.
    J Clin Endocrinol Metab, 2013 Nov;98(11):4516-23.
    PMID: 24037892 DOI: 10.1210/jc.2013-2454
    Chinese men in Singapore have a higher incidence of hip fractures than Malay and Indian men. We investigated whether there were corresponding ethnic differences in peak bone mineral density (BMD) in young men and whether differences in body composition influenced peak BMD.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  11. Jiang L, Bin Abd Razak HR, Chong HC, Tan A
    J Arthroplasty, 2014 Feb;29(2):304-7.
    PMID: 23891052 DOI: 10.1016/j.arth.2013.06.002
    We aim to compare the patient profile and outcomes after TKA between the different racial groups in Singapore. Prospective data were collected from 364 patients who underwent TKA in Singapore General Hospital from January 2006 to May 2010. Patients were stratified according to ethnicity and we compared their preoperative demographic data, Short-Form 36 (SF-36), Oxford Knee (OKS) as well as Knee Society Scores (KSS). Malays were younger (62.0 ± 5.3) at time of surgery (p=0.05) and the body mass index of Chinese (27.9 ± 4.7) was lower than Malay (30.4 ± 5.0) and Indian (31.5 ± 4.5) patients (P<0.005). Malay (40.3 ± 11.0) and Indian (39.2 ± 9.3) patients had less favourable preoperative OKS than Chinese (35.9 ± 7.8) patients (P<0.05). All 3 ethnic groups achieved statistically significant improvements in outcome measures but did not differ significantly between the ethnicities.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  12. Ho JPY, Merican AM, Hashim MS, Abbas AA, Chan CK, Mohamad JA
    J Arthroplasty, 2017 10;32(10):3176-3183.
    PMID: 28579444 DOI: 10.1016/j.arth.2017.04.060
    BACKGROUND: The posterior tibial slope (PTS) is an important consideration in knee arthroplasty. However, there is still no consensus for the optimal slope. The objectives of this study were (1) to reliably determine the native PTS in this population using 3-dimensional computed tomography scans and (2) to determine the normal reference range for PTS in this population.

    METHODS: One hundred computed tomography scans of disease-free knees were analyzed. A 3-dimensional reconstructed image of the tibia was generated and aligned to its anatomic axis in the coronal and sagittal planes. The tibia was then rotationally aligned to the tibial plateau (tibial centroid axis) and PTS was measured from best-fit planes on the surface of the proximal tibia and individually for the medial and lateral plateaus. This was then repeated with the tibia rotationally aligned to the ankle (transmalleolar axis).

    RESULTS: When rotationally aligned to the tibial plateau, the mean PTS, medial PTS, and lateral PTS were 11.2° ± 3.0 (range, 4.7°-17.7°), 11.3° ± 3.2 (range, 2.7°-19.7°), and 10.9° ± 3.7 (range, 3.5°-19.4°), respectively. When rotationally aligned to the ankle, the mean PTS, medial PTS, and lateral PTS were 11.4° ± 3.0 (range, 5.3°-19.3°), 13.9° ± 3.7 (range, 3.1°-24.4°), and 9.7° ± 3.6 (range, 0.8°-17.7°), respectively.

    CONCLUSION: The PTS in the normal Asian knee is on average 11° (mean) with a reference range of 5°-17° (mean ± 2 standard deviation). This has implications to surgery and implant design.

    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  13. Swami V, Kannan K, Furnham A
    Int J Soc Psychiatry, 2012 Nov;58(6):568-76.
    PMID: 21821633 DOI: 10.1177/0020764011415208
    Previous studies examining body image from a cross-cultural perspective have tended to neglect samples from different ethnic groups or along a rural-urban continuum. To overcome this limitation, the present study examined positive body image among rural and urban women from three major indigenous ethnic groups in Sabah, Malaysia.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  14. Saw SM, Goh PP, Cheng A, Shankar A, Tan DT, Ellwein LB
    Br J Ophthalmol, 2006 Oct;90(10):1230-5.
    PMID: 16809384
    To compare the prevalences of refractive errors in Malay, Chinese and Indian children in Malaysia and Singapore.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  15. Teoh MK, Ramasamy D, Wong KP
    Aust N Z J Surg, 1992 Nov;62(11):862-5.
    PMID: 20169704
    Ultrasound examination of the abdominal aorta was performed on 100 patients with cardiovascular disease and a control group of 100 subjects. The objectives were to define the normal aortic size of Malaysians, to screen for aneurysms and to compare the aorta size of the different population groups. In the study group the mean anteroposterior (AP) diameter of the non-aneurysmal aortas at the level of the renal arteries was 1.82 cm (range 0.9-2.6 cm) in men and 1.83 cm (range 1.5-2.3 cm) in women. This compares with 1.61 cm (range 1.1-2.2 cm) in men and 1.50 cm (range 0.8-2.4 cm) in women in the control group. The dimensions of the infrarenal aorta show a similar relationship between the two groups. These AP diameters were significantly smaller than the published figures from studies done on Western populations and are consistent with the smaller stature of Malaysians. Five aneurysms and one ectasia were found (mean size 5 cm, range 3.5-6.0 cm), all in men aged 50-75 years in the study group, and none in the control group. All the aneurysms were easily palpable in these patients who were thinner than the average Caucasian. Given the lower incidence of aortic aneurysms in Malaysians there is no role for routine ultrasound screening of the population. High risk groups can be adequately screened by clinical examination alone.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  16. Lee C, Wu KH, Habil H, Dyachkova Y, Lee P
    Aust N Z J Psychiatry, 2006 May;40(5):437-45.
    PMID: 16683970
    To examine clinical outcomes in Asian patients with schizophrenia receiving monotherapy with olanzapine, risperidone or typical antipsychotics in naturalistic settings.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  17. Swami V, Arteche A, Chamorro-Premuzic T, Furnham A
    Soc Psychiatry Psychiatr Epidemiol, 2010 Jan;45(1):57-65.
    PMID: 19337675 DOI: 10.1007/s00127-009-0042-4
    The present study examined the sociocultural adjustment of 249 sojourning Malaysian undergraduates in Britain. One-hundred and ten Malay and 139 Chinese students enrolled in various courses answered a self-report questionnaire that examined various aspects of sociocultural adjustment and socio-demographics. Overall, Malay students reported significantly poorer sociocultural adjustment than Chinese students, as well as more negative outcomes on a range of predictors. Path analysis for the total sample showed that higher family income led to greater sociocultural adjustment, but partially because it led to more contact with host and conationals, better language proficiency, lower perceived cultural differences and less perceived discrimination. Moreover, participants with higher English proficiency were better adapted, but partially because they perceived less cultural differences as well as having more contact with host nationals. Additionally, individuals reporting better sociocultural adjustment also reported better health statuses. The same model was equally useful at predicting sociocultural adjustment for both Malay and Chinese participants. These results are discussed in terms of the role played by income in buffering against the negative aspects of sociocultural adjustment.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  18. Mindell JA, Sadeh A, Kwon R, Goh DY
    Sleep Med, 2013 Dec;14(12):1283-9.
    PMID: 24269649 DOI: 10.1016/j.sleep.2013.09.002
    The aim of our study was to characterize cross-cultural sleep patterns and sleep problems in a large sample of preschool children ages 3-6years in multiple predominantly Asian (P-A) and predominantly Caucasian (P-C) countries/regions.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
  19. Mindell JA, Sadeh A, Wiegand B, How TH, Goh DY
    Sleep Med, 2010 Mar;11(3):274-80.
    PMID: 20138578 DOI: 10.1016/j.sleep.2009.04.012
    BACKGROUND:
    To characterize cross-cultural sleep patterns and sleep problems in a large sample of children ages birth to 36 months in multiple predominantly-Asian (P-A) and predominantly-Caucasian (P-C) countries.

    METHODS:
    Parents of 29,287 infants and toddlers (predominantly-Asian countries/regions: China, Hong Kong, India, Indonesia, Korea, Japan, Malaysia, Philippines, Singapore, Taiwan, Thailand, Vietnam; predominantly-Caucasian countries: Australia, Canada, New Zealand, United Kingdom, United States) completed an internet-based expanded version of the Brief Infant Sleep Questionnaire.

    RESULTS:
    Overall, children from P-A countries had significantly later bedtimes, shorter total sleep times, increased parental perception of sleep problems, and were more likely to both bed-share and room-share than children from P-C countries, pAsian countries had significantly later bedtimes, shorter total sleep times, increased parental perception of sleep problems, and were more likely to room-share than children from predominantly-Caucasian countries/regions. These results indicate substantial differences in sleep patterns in young children across culturally diverse countries/regions. Further studies are needed to understand the basis for and impact of these interesting differences.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data
  20. Ng TP, Tan WC
    Sleep Med, 2005 Nov;6(6):523-9.
    PMID: 16271696
    BACKGROUND AND PURPOSE: To investigate the prevalence and determinants of daytime sleepiness in an Asian multi-ethnic population. Cross-sectional survey based on a questionnaire in multi-ethnic Asian adult population of Singapore (2.4 million).
    PATIENTS AND METHODS: Measured frequency of excessive daytime sleepiness (EDS), socio-demographic status, sleep duration, perceived sleep insufficiency, frequent awakenings, difficulty falling asleep, snoring, breathing pauses, GHQ-12, shift work, solvent exposure at work, substance use, medications, and chronic diseases in random sample of 2,298 adults, aged 20-74 years, representing Chinese, Malays and Indians.
    RESULTS: Among the respondents, 10.8% reported usually feeling sleepy in the daytime, and 9.0% were classified as having EDS. Marked ethnic difference was observed, with higher rates of EDS in Malays and Chinese, compared to Indians. Increased risk of EDS was associated with perceived sleep insufficiency; snoring and breathing pauses; shift work and solvent exposure at work; psychiatric morbidity and chronic diseases, particularly chronic rhinitis; and medications with sedating effects.
    CONCLUSIONS: Daytime sleepiness is associated with a multiplicity of highly prevalent risk factors in the community, including sleep behavior, breathing-, work- and medically related factors. Significant ethnic differences, which were not explained by these factors, were observed between Chinese, Malays and Indians.
    Matched MeSH terms: Asian Continental Ancestry Group/statistics & numerical data*
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