Displaying publications 81 - 100 of 1141 in total

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  1. Saha N, Tay JS, Low PS, Basair JB
    Ann Hum Biol, 1992 5 1;19(3):277-83.
    PMID: 1616285
    The distribution of plasma coagulation factor XXIIB polymorphism was determined by PAG isoelectric focusing and immunoblotting in a group of 670 subjects comprising 375 Chinese, 110 Malays and 185 Indians. The frequencies of FXIIIB*1, FXIIIB*2, and FXIIIB*3 were found to be 0.27, 0.03 and 0.70 in the Chinese; 0.33, 0.05 and 0.64 in the Malays and 0.58, 0.08 and 0.33 in the Indians. The phenotypic distribution of FXIIIB alleles was at Hardy-Weinberg equilibrium in all three populations. A two-dimensional principal-components analysis on the basis of three common alleles at the FXIIIB locus among 19 populations, so far studied, clearly differentiates the Negroid, Mongoloid and Caucasoid populations into three major groups with the exception of Amerindians (Minnesota) and US Blacks showing some Caucasoid influence.
    Matched MeSH terms: Malaysia/ethnology
  2. Cheah CSL, Leung CYY, Bayram Özdemir S
    Child Dev, 2018 03;89(2):383-396.
    PMID: 28105633 DOI: 10.1111/cdev.12725
    This study examined the social-cognitive reasoning of 52 Chinese Malaysian preadolescents (9-12 years old; M = 11.02, SD = 0.94) and 68 adolescents (13-18 years old; M = 14.76, SD = 1.39) in resolving filial dilemmas within the personal and moral domain. Preadolescents deferred to parental authority, whereas adolescents endorsed filial obligation reasoning to justify compliance in the personal domain. Both appealed to filial obligation, pragmatic, or welfare and safety reasoning to justify compliance but fairness or rights reasoning to justify their noncompliance, for the moral issue. Distinctions between authoritarian and reciprocal filial piety reasoning were revealed. Findings demonstrated complex decision-making and cognitive reasoning processes among Chinese Malaysian adolescents as they negotiate their filial obligations and autonomy development.
    Matched MeSH terms: Malaysia/ethnology
  3. Beighton P
    S. Afr. Med. J., 1976 Jul 10;50(29):1125-8.
    PMID: 959924
    Certain uncommon genetic disorders occur relatively frequently in the various population groups of Southern Africa. Prominent among these are porphyria, colonic polyposis and sclerosteosis in the Afrikaner community, Huntington's chorea in the British, Gaucher's and Tay-Sachs diseases in the Jewish population, glucose-6-phosphate dehydrogenase deficiency (G-6-PD deficiency) and thalassaemia in the Greek community, various skeletal dysplasias in the Black group, lipoid proteinosis and cleidocranial dysostosis in the Cape Coloured population, diabetes mellitus in the Indian community and retinitis pigmentosa in the Tristan da Cunha islanders. In addition, 'private' syndromes have been encountered in virtually every group. Awareness of the ethnic distribution of unusual genetic conditions is of considerable practical importance during the differential diagnosis of obscure disease.
    Matched MeSH terms: Malaysia/ethnology
  4. Benjamin G
    Hum Biol, 2013 Feb-Jun;85(1-3):445-84.
    PMID: 24297237
    The primary focus of this article is on the so-called negritos of Peninsular Malaysia and southern Thailand, but attention is also paid to other parts of Southeast Asia. I present a survey of current views on the "negrito" phenotype--is it single or many? If the phenotype is many (as now seems likely), it must have resulted from parallel evolution in the several different regions where it has been claimed to exist. This would suggest (contrary to certain views that have been expressed on the basis of very partial genetic data) that the phenotype originated recently and by biologically well-authenticated processes from within the neighboring populations. Whole-genome and physical-anthropological research currently support this view. Regardless of whether the negrito phenotype is ancient or recent-and to the extent that it retains any valid biological reality (which is worth questioning)-explanations are still needed for its continued distinctiveness. In the Malay Peninsula, a distinctive "Semang" societal pattern followed by most, but not all, so-called negritos may have been responsible for this by shaping familial, breeding, and demographic patterns to suit the two main modes of environmental appropriation that they have followed, probably for some millennia: nomadic foraging in the forest, and facultative dependence on exchange or labor relations with neighboring populations. The known distribution of "negritos" in the Malay Peninsula is limited to areas within relatively easy reach of archaeologically authenticated premodern transpeninsular trading and portage routes, as well as of other non-negrito, Aslian-speaking populations engaged in swidden farming. This suggests that their continued distinctiveness has resulted from a wish to maintain a complementary advantage vis-à-vis other, less specialized populations. Nevertheless, a significant degree of discordance exists between the associated linguistic, societal-tradition, and biological patterns which suggests that other factors have also been at play.
    Matched MeSH terms: Malaysia/ethnology
  5. Lee D, Weinberg M, Benoit S
    Am J Public Health, 2017 05;107(5):684-686.
    PMID: 28323479 DOI: 10.2105/AJPH.2017.303698
    OBJECTIVES: To assess US availability and use of measles-mumps-rubella (MMR) vaccination documentation for refugees vaccinated overseas.

    METHODS: We selected 1500 refugee records from 14 states from March 2013 through July 2015 to determine whether overseas vaccination records were available at the US postarrival health assessment and integrated into the Advisory Committee on Immunization Practices schedule. We assessed number of doses, dosing interval, and contraindications.

    RESULTS: Twelve of 14 (85.7%) states provided data on 1118 (74.5%) refugees. Overseas records for 972 (86.9%) refugees were available, most from the Centers for Disease Control and Prevention's Electronic Disease Notification system (66.9%). Most refugees (829; 85.3%) were assessed appropriately for MMR vaccination; 37 (3.8%) should have received MMR vaccine but did not; 106 (10.9%) did not need the MMR vaccine but were vaccinated.

    CONCLUSIONS: Overseas documentation was available at most clinics, and MMR vaccinations typically were given when needed. Further collaboration between refugee health clinics and state immunization information systems would improve accessibility of vaccination documentation.

    Matched MeSH terms: Malaysia/ethnology
  6. Chow VT, Tham KM, Lim-Tan SK, Sng IT, Bernard HU
    Asia Oceania J Obstet Gynaecol, 1990 Dec;16(4):373-7.
    PMID: 1966000
    The close epidemiological relationships between specific genital human papillomavirus (HPV) types and neoplasia of the cervix uteri have been extensively documented worldwide, including Singapore. Cervical cancer incidence rates in Singapore show variations between the major ethnic groups. To ascertain the corresponding HPV infection rates among the various races in Singapore, we analysed the cervical smears of 225 women by filter in situ DNA hybridization, and compared the data with a previous similar study. Fourteen (6.2%) individuals were HPV-positive, with HPV 16 and HPV 31 being the commonest types. No significant difference between HPV positivity rates in Chinese (5.0%) and in Malays (6.7%) was found, even though Chinese have a higher cervical cancer incidence than Malays. Furthermore, the cervical HPV carriage rate among women with normal cytology was 5.9%. In the light of reports of high genital HPV prevalence rates detected by DNA amplification, these data support the notion that HPV infection is commonly latent and requires the cooperation of other factors for cervical carcinogenesis.
    Matched MeSH terms: Malaysia/ethnology
  7. Bernard SM
    Matched MeSH terms: Malaysia/ethnology
  8. Abdul Kadir NB, Bifulco A
    Soc Psychiatry Psychiatr Epidemiol, 2011 Sep;46(9):853-62.
    PMID: 20556355 DOI: 10.1007/s00127-010-0249-4
    INTRODUCTION: The experiences of married and single mothers were compared in an investigation of psychosocial vulnerability, stress and depression in a community-based study of Moslem mothers in Malaysia. For the first time, a model of vulnerability-provoking agent originally developed by Brown et al. in the UK was tested in a Malaysian context.

    METHODS: A cross-sectional study was carried out in the district of Johor Bahru, Malaysia. Of the 1,200 women approached from membership of community associations, 1,002 (84%) completed the questionnaires. Severe life events Recent Life Events Questionnaire (Brugha and Cragg in Acta Psychiatr Scand 82:77-81, 1990) and psychosocial vulnerability (VDQ) (Moran et al. in Br J Clin Psychol 40:411-427, 2001) were used to measure vulnerability factors. Depression was measured by the General Health Questionnaire (GHQ-30) (Havenaar et al. in Soc Psychiatry Psychiatr Epidemiol 43:209-215, 2008).

    RESULTS: Single mothers had significantly higher rates of depression than those married (60.5 vs. 39.5%), as well as higher rates of severe life events and Negative Elements in Close Relationships (lack of support and conflict with children). However, married mothers had greater Negative Evaluation of Self. The two vulnerability factors were correlated to each other and to severe life events and social adversity. Logistic regression showed an interaction between severe life events in the material and relationship domains and joint vulnerability for depression outcome. The results are discussed in relation to the low recognition of psychosocial risks for depression in single mothers in Malaysia, as well as lack of appropriate services.

    Matched MeSH terms: Malaysia/ethnology
  9. Maran S, Lee YY, Xu S, Rajab NS, Hasan N, Mustaffa N, et al.
    Hepatogastroenterology, 2013 Jan-Feb;60(121):124-8.
    PMID: 22829558
    Using genome-wide case-control association approach, the current study aimed to determine whether genetic polymorphism(s) is/are associated with H. pylori infection among ethnic Malays from the north-eastern region of Peninsular Malaysia, a region with an exceptionally low prevalence for H. pylori infection and gastric cancer.
    Matched MeSH terms: Malaysia/ethnology
  10. Bhandary S, Khanna R, Rao KA, Rao LG, Lingam KD, Binu V
    Indian J Ophthalmol, 2010 12 16;59(1):41-5.
    PMID: 21157071
    AIM: Corneal blindness accounts for 3.42% of blindness in Malaysia; the rate of eye donation is low. The aim of the study was to assess the awareness about eye donation and willingness to donate eyes among attendants of patients at various clinics in Melaka, Malaysia.

    MATERIALS AND METHODS: This observational study was conducted on attendants who accompanied patients (n = 400) visiting various outpatient departments of the General Hospital and two peripheral clinics in Melaka between August and October 2007. The participants answered a questionnaire (Malay and English versions) which included demographic profile, awareness of eye donation, knowledge regarding facts of eye donation, and willingness to donate eyes. Univariate and multivariate logistic regression was performed at 5% level of significance.

    RESULTS: Awareness of eye donation was observed in 276 (69%) participants. Multivariate analysis showed that awareness was more among females when compared to males (P = 0.009). Of the 276 participants who were aware of eye donation, only 34.42% were willing to donate eyes. Willingness was more among the Indian race (P = 0.02) and males (P = 0.02). Educational status did not influence the willingness to donate eyes.

    CONCLUSIONS: Although majority of participants were aware of eye donation, willingness to donate eyes was poor.

    Matched MeSH terms: Malaysia/ethnology
  11. Kaur D, Bishop GD
    Int J Psychophysiol, 2013 Feb;87(2):130-40.
    PMID: 23206971 DOI: 10.1016/j.ijpsycho.2012.11.011
    Epidemiological studies have shown significant ethnic differences in coronary heart disease death rates with South Asians showing significantly greater coronary heart disease mortality than other groups.
    Matched MeSH terms: Malaysia/ethnology
  12. Blackburn K
    Oral Hist Rev, 2009;36(2):231-52.
    PMID: 19999634
    The Pacific War and the Japanese Occupation were traumatic periods in the lives of people now over seventy years old in Malaysia and Singapore. This study traces why individuals interviewed for oral history of the Pacific War and the Japanese Occupation have often been able to tell stories of trauma without being overwhelmed by their reminiscences. It emphasizes that memories of traumatic experiences of the Pacific War and the Japanese Occupation in Malaysia and Singapore are mediated and eased by supportive social networks that are part of the interview subject's community. The individual's personal memories of traumatic war experiences are positioned in the context of the collective memory of the group and, thus, are made easier to recall. However, for individuals whose personal memories are at variance with the collective memory of the group they belong to, recalling traumatic experiences is more difficult and alienating as they do not have the support in their community. The act of recalling traumatic memories in the context of the collective memory of a group is particularly relevant in Malaysia and Singapore. These countries have a long history of being plural societies, where although the major ethnic groups -- the Malays, Chinese, and Indians -- have lived side by side peacefully, they have lived in culturally and socially separate worlds, not interacting much with the other groups. The self -- identity of many older people who lived through the Pacific War and the Japanese Occupation is inextricably bound up with their ethnicity. Oral history on war trauma strongly reflects these identities.
    Matched MeSH terms: Malaysia/ethnology
  13. Blakemore WL
    Matched MeSH terms: Malaysia/ethnology
  14. Blust R
    Hum Biol, 2013 Feb-Jun;85(1-3):401-16.
    PMID: 24297235
    Within recorded history, most Southeast Asian peoples have been of "southern Mongoloid" physical type, whether they speak Austroasiatic, Tibeto-Burman, Austronesian, Tai-Kadai, or Hmong-Mien languages. However, population distributions suggest that this is a post-Pleistocene phenomenon and that for tens of millennia before the last glaciation ended Greater Mainland Southeast Asia, which included the currently insular world that rests on the Sunda Shelf, was peopled by short, dark-skinned, frizzy-haired foragers whose descendants in the Philippines came to be labeled by the sixteenth-century Spanish colonizers as "negritos," a term that has since been extended to similar groups throughout the region. There are three areas in which these populations survived into the present so as to become part of written history: the Philippines, the Malay Peninsula, and the Andaman Islands. All Philippine negritos speak Austronesian languages, and all Malayan negritos speak languages in the nuclear Mon-Khmer branch of Austroasiatic, but the linguistic situation in the Andamans is a world apart. Given prehistoric language shifts among both Philippine and Malayan negritos, the prospects of determining whether disparate negrito populations were once a linguistically or culturally unified community would appear hopeless. Surprisingly, however, some clues to a common negrito past do survive in a most unexpected way.
    Matched MeSH terms: Malaysia/ethnology
  15. Thumboo J, Fong KY, Chan SP, Leong KH, Feng PH, Thio ST, et al.
    Lupus, 1999;8(7):514-20.
    PMID: 10483028 DOI: 10.1191/096120399678840747
    OBJECTIVE: To validate the Medical Outcomes Study Family and Marital Functioning Measures (FMM and MFM) in a multi-ethnic, urban Asian population in Singapore.
    METHODS: English speaking Chinese, Malay or Indian SLE patients (n=120) completed a self-administered questionnaire containing the FFM and MFM at baseline, after 2 weeks and after 6 months. Lupus activity, disease-related damage and quality of life were assessed using the British Isles Lupus Assessment Group (BILAG), Systemic Lupus International Collaborating Clinics/American College of Rheumatology (SLICC/ACR) Damage Index and SF-36 Health Survey respectively. Scale psychometric properties were assessed through factor analysis, Cronbach's alpha, quantifying test-retest differences and known-groups construct validity.
    RESULTS: Factor analysis of scores obtained at baseline and after 6 months identified 3 factors corresponding to the FFM (1 factor) and the MFM (2 factors). Both scales showed acceptable internal consistency, with Cronbach's alpha of 0.95 for the FFM and 0.70 for the MFM. Mean (s.d.) test-retest differences were -0.31 (3.82) points for the FFM and -0.70 (4.26) points for the MFM. Eleven out of 13 a priori hypotheses relating both the FFM and MFM to demographic, disease and quality of life variables were confirmed, supporting the construct validity of these scales.
    CONCLUSION: The FFM and MFM are valid and reliable measures of family and marital functioning in a multi-ethnic cohort of Asian SLE patients in Singapore.
    Matched MeSH terms: Malaysia/ethnology
  16. Koh WH, Boey ML
    Ann Acad Med Singap, 1998 Jan;27(1):3-6.
    PMID: 9588266
    This paper presents the results of a clinical study of 150 patients in Singapore with ankylosing spondylitis (AS) and reviews recent developments locally with regards to the disease. The patients were predominantly males (ratio 7:1) and Chinese (n = 147). The onset of disease is usually in the early twenties and there was a mean delay of 6.3 years before diagnosis was made. Peripheral joint involvement is common but apart from uveitis (17%), extra-articular manifestations are rare. AS patients have abnormal lipid profiles and lower bone mineral density compared to healthy controls. HLA*B2704 is the predominant subtype in our Chinese patients whilst HLA*B2706 was found only in healthy controls. Intensive group physiotherapy is beneficial for patients with spondyloarthropathy.
    Matched MeSH terms: Malaysia/ethnology
  17. Roberts-Thomson PJ, Shepherd K, Bradley J, Boey ML
    Rheumatol Int, 1990;10(3):95-8.
    PMID: 2392640
    Low molecular weight IgM (LMW IgM) is the monomeric subunit of the naturally occurring pentameric IgM. It is not seen in health but has been previously observed in systemic lupus erythematosus (SLE) particularly in those patients with active disease and may reflect an adverse prognostic finding. We have therefore studied the presence of LMW IgM in 33 Chinese or Malay SLE patients (Singapore) and 21 Caucasian patients (Adelaide). LMW IgM was measured using filtration chromatography or by a sensitive immunoblotting technique. LMW IgM was observed in all patients in the Adelaide group and in 32 patients in the Singapore group with slightly greater quantities being seen in the Adelaide group. LMW IgM constituted up to 15.3% of the total IgM and was frequently associated with the presence of other low molecular weight IgM oligomers. In both groups LMW IgM correlated significantly with the total IgM levels (P less than 0.01). In a more detailed study in the Singapore group LMW IgM also correlated significantly with the IgM anticardiolipin levels (P = 0.02) but not with IgG anticardiolipin or with IgG or IgM anti-DNA levels or with rheumatoid factor. Patients with more extensive organ involvement had higher levels of LMW IgM but not at a significant level. We conclude that circulating LMW IgM occurs almost universally in SLE, is closely related to the total IgM levels and appears independent of ethnic background. The significance of LMW IgM in this disorder is unclear.
    Matched MeSH terms: Malaysia/ethnology
  18. Thumboo J, Fong KY, Chng HH, Koh ET, Chia HP, Leong KH, et al.
    J Rheumatol, 1998 Jul;25(7):1299-304.
    PMID: 9676760
    OBJECTIVE: To determine the effects of ethnicity on disease manifestations in Oriental patients with systemic lupus erythematosus (SLE) and to describe the risk of developing renal or central nervous system (CNS) involvement with time.
    METHODS: A retrospective study of 472 patients with SLE seen at the only Rheumatology Unit in Singapore. The effect of ethnicity on selected disease manifestations at diagnosis was assessed after adjusting for demographic variables using multiple logistic regression. The probability of developing selected disease manifestations with time was determined using the Kaplan-Meier product limit method.
    RESULTS: At diagnosis, Malays had a higher risk of renal or CNS involvement than Chinese (OR 2.26, 95% CI 1.21 to 4.21, and OR 3.07, 95% CI 1.01 to 9.34, respectively), and Indians a lower risk of malar rash and a higher risk of oral ulcers than Chinese (OR 0.30, 95% CI 0.13 to 0.68, and OR 2.90, 95% CI 1.45 to 7.34, respectively). The prevalence of renal or CNS involvement in the entire cohort increased with time, reaching 75.6% (95% CI 66.1% to 85.0%) and 16.7% (95% CI 11.7% to 21.6%), respectively, after 18 years of disease.
    CONCLUSION: Ethnicity influenced disease manifestations at diagnosis in this cohort of Oriental patients with SLE. Renal or CNS involvement developed in previously unaffected patients up to 18 years after diagnosis, highlighting the need for continued vigilance in patients with lupus.
    Matched MeSH terms: Malaysia/ethnology
  19. Thumboo J, Tham SN, Tay YK, Chee T, Mow B, Chia HP, et al.
    J Rheumatol, 1997 Oct;24(10):1949-53.
    PMID: 9330937
    OBJECTIVE: To determine the clinical features of psoriatic arthritis (PsA) in a multiethnic Oriental population and to study the effect of ethnicity on disease patterns.
    METHODS: A retrospective study of 80 patients with PsA seen at either a rheumatology or dermatology referral center. Patients and case records were reviewed and data abstracted according to a standard protocol. Eighty consecutive patients with psoriasis without PsA seen at the dermatology center were recruited as controls.
    RESULTS: Asymmetric polyarthritis developing in the 4th decade with an equal male to female ratio was the commonest pattern of arthritis among Chinese, Indians, and Malays. Clinically apparent lumbar spondylitis was significantly more common in Indians than Chinese (10/11 vs 11/20, respectively; p = 0.046), although the prevalence of lumbar spondylitis was similar in all ethnic groups. Eighty-nine percent of subjects required nonsteroidal antiinflammatory drugs and 51% required disease modifying antirheumatic drugs at some time for control of joint disease. PsA was significantly more common among Indians compared to the ethnic distribution of the Singapore population (p < 0.000001). Multiple logistic regression identified Indian ethnicity as a risk factor for the development of PsA (OR 2.39, 95% confidence interval 1.02 to 5.60).
    CONCLUSION: The commonest pattern of PsA in all ethnic groups was asymmetric polyarthritis. Ethnicity affected the development and presentation of PsA in our series: Indians with psoriasis had double the risk of developing PsA compared to Chinese with psoriasis, and lumbar spondylitis when present in Chinese subjects was asymptomatic in 45%, being detectable only on radiological examination.
    Matched MeSH terms: Malaysia/ethnology
  20. Boo NY
    Med J Malaysia, 1992 Mar;47(1):56-9.
    PMID: 1387451
    A prospective study was carried out in the Maternity Hospital, Kuala Lumpur in 1989 to determine the morbidity and mortality of infants of diabetic mothers. Out of 24,856 neonates born during the study period, 54 neonates (2.2 per 1000 livebirths) were born to mothers who were diagnosed to have diabetes mellitus before the current pregnancy or who had impaired glucose tolerance test during the current pregnancy. Almost a third (29.6 percent) of these infants of diabetic mothers had birthweight of 4000 grams and above, and 37.0 percent of the 54 babies were large-for-gestational age. Hypoglycemia occurred in 9/54 (16.7 percent) of the neonates, respiratory distress syndrome in 5/54 (9.3 percent), shoulder dystocia in 7/54 (13.0 percent), and congenital abnormalities in 4/54 (7.4 percent). Three (5.6 percent) neonates died during the neonatal period. The results of this study suggest a need to intensify control of maternal diabetes mellitus during pregnancy in order to reduce the rates of morbidity and mortality of their infants.
    Matched MeSH terms: Malaysia/ethnology
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