Displaying publications 841 - 860 of 2034 in total

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  1. Gan CY, Chin B, Teoh ST, Chan MK
    PMID: 8266232
    The nutritional status of 896 Kadazan children below 6 years of age from 23 villages of Tambunan District were studied. When stunting and wasting were defined as those who were below two standard deviations of height-for-age and weight-for-height (Waterlow et al, 1977) and based on the National Center for Health Statistics reference population, 67.6% of boys and 66.8% of girls were stunted while 12.3% of boys and 8.3% of girls were wasted. Weaning foods and toddler feeding practices were unsatisfactory. The role of health education on child care and feeding practices is emphasized.
    Matched MeSH terms: Rural Population*
  2. Mohd Johari SN, Tan PY, Loganathan R, Lim YAL, Teng KT, Lee SC, et al.
    Trop Biomed, 2024 Sep 01;41(3):345-355.
    PMID: 39548789 DOI: 10.47665/tb.41.3.015
    Soil-transmitted helminths (STHs) are known as one of the neglected parasitic diseases, leading to significant health issues and associated complications. This study aims to assess the current prevalence of STH infections and the associated risk factors among rural primary schoolchildren in Malaysia. A cross-sectional study was conducted among 638 schoolchildren (7-11 years old) from 10 rural primary schools in five regions of Malaysia. The overall prevalence of STH infections among schoolchildren was 54.5%, with T. trichiura being the predominant STH species (50.9%), followed by A. lumbricoides (19.6%) and hookworms (7.4%). The highest prevalence of STH infections was recorded in the schools in Perak (96.6%), followed by Pahang (85.4%), Johor (42.1%) and Sabah (6.2%). At the same time, none of the schoolchildren in Sarawak were infected with STHs. The findings also highlighted that the older age group (10-11 years old) exhibited a higher prevalence of STH infection and T. trichiura compared to those aged 7-9 years old (P = 0.01) among the schools with a high prevalence of STH infections (>= 70%). Several variables, such as being female (1.9 [1.2, 3.0]) (Adjusted odd ratio [95% confidence interval]), low household income (30.9 [7.0, 136.5]), using untreated water supply (1.9 [1.1, 3.2]), indiscriminate defaecation (1.9 [1.1, 3.1]), indiscriminate garbage disposal (2.8 [1.3, 6.0]), eating with hands (5.9 [3.4, 10.4]) and experiencing pallor signs (2.3 [1.1, 5.0]), emerged as significant predictors of STH infections in this study population. The present study underscores that in specific rural community areas of Malaysia, STH infections continue to pose health concerns among primary schoolchildren. Hence, to ensure the sustained effectiveness of the measures taken to control STH infections, a collaborative and ongoing effort between various stakeholders is imperative to provide targeted support to rural communities, especially those in areas lacking essential amenities and healthcare services.
    Matched MeSH terms: Rural Population*
  3. Aminuddin A, Zakaria Z, Fuad AF, Kamsiah J, Othman F, Das S, et al.
    Saudi Med J, 2013 Mar;34(3):266-75.
    PMID: 23475091
    To determine the association between carotid femoral pulse wave velocity (PWVCF); augmentation index (AI); and high-sensitivity C reactive protein (hs-CRP) with metabolic syndrome (MetS), and to determine the influence of ethnicity on PWVCF and AI, and the association between high hs-CRP and increased PWV, and AI in MetS.
    Matched MeSH terms: Urban Population*
  4. Kneebone GM, Kneebone R, Gibson RA
    Am J Clin Nutr, 1985 Apr;41(4):765-9.
    PMID: 3984928 DOI: 10.1093/ajcn/41.4.765
    The fatty acid composition of samples of breast milk obtained from 51 mothers (26 Malay, 15 Chinese, 10 Indian) residing in Penang, Malaysia was determined by gas chromatography. Despite living in close physical proximity the mothers from the three racial groups showed distinct cultural differences in dietary intake. These differences were reflected in differences in the fatty acid composition of breast milk samples. The milk of Chinese mothers was generally less saturated (41%) than that of Malay and Indian mothers (52 and 50% respectively). The milk of Chinese mothers was also richer in linoleic acid (17%) than that of Malay and Indian mothers (9% and 11% respectively). Overall the level of individual fatty acids fell within the range of values reported for Western mothers on well nourished diets and pointed to breast milk of high standard despite large variations in the diet of Malaysian mothers.
    Matched MeSH terms: Continental Population Groups*
  5. Robson P, Bolton JM, Dugdale AE
    Am J Clin Nutr, 1973 Jan;26(1):95-100.
    PMID: 4682820
    Matched MeSH terms: Rural Population; Urban Population
  6. Hossain M, Mani KK, Sidik SM, Hayati KS, Rahman AK
    BMC Pediatr, 2015;15:114.
    PMID: 26357879 DOI: 10.1186/s12887-015-0431-7
    Drowning contributes to incapacity and early death in many countries. In low- and middle-income countries, children are the most susceptible to fatalities. Over 50 % of the global drowning deaths occur among children aged under 15 years old with children aged between 1 and 4 years of age being most at risk. In Bangladesh, drowning rates are 10 to 20 times more than those in other developing countries. The object of this study is to determine the socio-demographic, environmental and caring hazard issues for child drowning in Bangladesh.
    Matched MeSH terms: Rural Population; Urban Population
  7. DeVantier L, Alcala A, Wilkinson C
    Ambio, 2004 Feb;33(1-2):88-97.
    PMID: 15083654
    The Sulu-Sulawesi Sea, with neighboring Indonesian Seas and South China Sea, lies at the center of the world's tropical marine biodiversity. Encircled by 3 populous, developing nations, the Philippines, Indonesia and Malaysia, the Sea and its adjacent coastal and terrestrial ecosystems, supports ca. 33 million people, most with subsistence livelihoods heavily reliant on its renewable natural resources. These resources are being impacted severely by rapid population growth (> 2% yr-1, with expected doubling by 2035) and widespread poverty, coupled with increasing international market demand and rapid technological changes, compounded by inefficiencies in governance and a lack of awareness and/or acceptance of some laws among local populations, particularly in parts of the Philippines and Indonesia. These key root causes all contribute to illegal practices and corruption, and are resulting in severe resource depletion and degradation of water catchments, river, lacustrine, estuarine, coastal, and marine ecosystems. The Sulu-Sulawesi Sea forms a major geopolitical focus, with porous borders, transmigration, separatist movements, piracy, and illegal fishing all contributing to environmental degradation, human suffering and political instability, and inhibiting strong trilateral support for interventions. This review analyzes these multifarious environmental and socioeconomic impacts and their root causes, provides a future prognosis of status by 2020, and recommends policy options aimed at amelioration through sustainable management and development.
    Matched MeSH terms: Population Dynamics*
  8. Steinberg AG, Eng LI
    Hum Hered, 1972;22(3):254-8.
    PMID: 4116753
    Matched MeSH terms: Genetics, Population*
  9. Chan KL
    Hum Hered, 1971;21(2):173-9.
    PMID: 5127408
    Matched MeSH terms: Genetics, Population*
  10. Lie-Injo Luan Eng, Weitkamp LR, Kosasih EN, Bolton JM, Moore CL
    Hum Hered, 1971;21(4):376-83.
    PMID: 5003129
    Matched MeSH terms: Genetics, Population*
  11. Al-Mekhlafi HM, Surin J, Sallam AA, Abdullah AW, Mahdy MA
    Am J Trop Med Hyg, 2010 Sep;83(3):523-7.
    PMID: 20810815 DOI: 10.4269/ajtmh.2010.09-0371
    A cross-sectional study was carried out on 241 primary schoolchildren in Pahang, Malaysia to update their vitamin A status and to investigate the association of poor vitamin A status with their health and socioeconomic factors. All children were screened for intestinal parasitic infections. Blood samples were collected and vitamin A status was assessed. Socioeconomic data were collected by using pre-tested questionnaires. The results showed that 66 (27.4%) children had low serum retinol levels (< 0.70 micromol/L). Giardiasis and severe ascariasis were significantly associated with low serum retinol levels (P = 0.004 and P = 0.018, respectively). Logistic regression confirmed the significant association of giardiasis with low serum retinol (odds ratio = 2.7, 95% confidence interval = 1.3-5.5). In conclusion, vitamin A deficiency is still a public health problem in rural Malaysia. Vitamin A supplementation and treatment of intestinal parasitic infections should be distributed periodically to these children to improve their health and nutritional status.
    Matched MeSH terms: Rural Population*
  12. Adnan MAA, Sahril N, Abd Razak MA, Shamsuddin N, Hasim Hashim MH, Abdul Mutalip MH
    J Health Popul Nutr, 2024 Nov 29;43(1):200.
    PMID: 39614324 DOI: 10.1186/s41043-024-00689-y
    BACKGROUND: Inadequate knowledge of human immunodeficiency virus (HIV) is underscored as a key factor contributing to the HIV epidemic. Nonetheless, current data on HIV knowledge in Malaysia are still scarce. Therefore, this study aimed to assess the prevalence of inadequate HIV knowledge and its associated factors among the general Malaysian population.

    METHOD: The study utilized data from the National Health and Morbidity Survey (NHMS) 2020, a nationwide cross-sectional survey employing a two-stage stratified random sampling technique to ensure national representativeness. HIV knowledge was assessed using the UNGASS indicators questionnaire, which comprises five questions on HIV prevention and transmission. The data were collected using the computer assisted telephone interviewing (CATI) method. Respondents who did not correctly answer all five questions were considered to have inadequate knowledge about HIV. Descriptive analysis and complex sample logistic regression were performed using SPSS version 28.0.

    RESULTS: The survey identified 5,561 eligible respondents, leading to the participation of 3,187 individuals in the second phase of the study, which resulted in a response rate of 57.3%. Our study revealed an overall prevalence of inadequate HIV knowledge at 77.4%, with adolescents aged 13-19 exhibiting the highest prevalence at 86.1%. Multiple logistic regression analysis indicated that respondents with no formal education (aOR 4.34, 95% CI: 0.65, 29.08) were over four times more likely to lack HIV knowledge. Additionally, respondents with only secondary education had an increased risk of 1.79 times. Individuals residing in rural areas were significantly more likely to have inadequate HIV-related knowledge. Furthermore, respondents who worked as unpaid workers, homemakers, or caregivers (aOR 1.71, 95% CI: 1.05, 2.82) showed a higher likelihood of lacking HIV knowledge.

    CONCLUSION: Three out of four individuals in the general Malaysian population were found to lack sufficient knowledge about HIV. This underscores the need for targeted interventions in HIV education, particularly in rural areas and among populations with lower educational attainment. Additionally, digital platforms and youth-focused campaigns could be especially effective for reaching adolescents. Policymakers must prioritize inclusive, accessible HIV prevention strategies to address these gaps and reduce transmission rates.

    Matched MeSH terms: Rural Population/statistics & numerical data
  13. Mansor J, Safian N, Abdul Razak F, Ismail H, Ghazali MH, Ismail N
    PeerJ, 2024;12:e18571.
    PMID: 39619183 DOI: 10.7717/peerj.18571
    BACKGROUND: Social interactions within and between communities influenced the spread of COVID-19. By using social network analysis (SNA), we aimed to understand the effect of social interaction on the spread of disease in a rural district.

    METHOD: A retrospective record review study using positive COVID-19 cases and contact-tracing data from an area in Malaysia was performed and analysed using the SNA method through R software and visualised by Gephi software. The justification for utilizing SNA is its capability to pinpoint the individuals with the highest impact and accountability for the transmission of COVID-19 within the area, as determined through SNA.

    RESULT: Analysis revealed 76 (4.5%) people tested positive for COVID-19 from 1,683 people, with 51 (67.1%) of the positive ones being male. Outdegrees for 38 positive people were between 1 and 12, while 41 people had 1-13 indegree. Older males have a higher outdegree, while younger females have a higher outdegree than other age groups among same-sex groups. Betweenness was between 0.09 and 34.5 for 15 people. We identified 15 people as super-spreaders from the 42 communities detected.

    CONCLUSION: Women play a major role in bridging COVID-19 transmission, while older men may transmit COVID-19 through direct connections. Thus, health education on face mask usage and hand hygiene is important for both groups. Working women should be given priority for the work-from-home policy compared to others. A large gathering should not be allowed to operate, or if needed, with strict adherence to specific standard operating procedures, as it contributes to the spread of COVID-19 in the district. The SNA allows the identification of key personnel within the network. Therefore, SNA can help healthcare authorities recognise evolving clusters and identify potential super-spreaders; hence, precise and timely action can be taken to prevent further spread of the disease.

    Matched MeSH terms: Rural Population*
  14. Mohd Ujang IR, Ab Hamid J, Hamidi N, Ab Rahman AA, Sooryanarayana R
    Int J Equity Health, 2025 Feb 13;24(1):43.
    PMID: 39948569 DOI: 10.1186/s12939-025-02406-5
    BACKGROUND: The COVID-19 pandemic significantly affected healthcare utilisation worldwide, underscoring the importance of monitoring it to indicate whether essential health services were maintained during crises. This study explored how the pandemic affected outpatient department (OPD) utilisation in public primary care facilities in Malaysia by analysing utilisation trends and comparing it across geographical regions, including urban-rural disparities.

    METHODS: Monthly OPD attendance from 1,053 public primary care health clinics in Malaysia, from January 1, 2019, to June 30, 2021, was analysed. The study duration was divided into four distinct periods: pre-pandemic, pandemic with the first lockdown implementation, pandemic after the first lockdown was lifted, and pandemic with the second lockdown implementation. An interrupted time series analysis was conducted to assess the impact of different interventions at national, regional, urban-rural, and district levels. Data were then aggregated at the district level and the utilisation changes were visualised in a choropleth map. Additionally, simple linear regression (SLR) was performed to explore the association between utilisation changes and urbanisation rates of the district, for each period.

    RESULTS: Nationally, OPD utilisation dropped by nearly 13% at the onset of the first lockdown and continued to decline by almost 24% monthly thereafter. In terms of urban-rural differences, urban areas in the Central and Eastern Regions showed greater fluctuations in OPD utilisation during different periods. Results from the SLR revealed that higher urbanisation rates were associated with more pronounced changes in utilisation, although the direction of these changes varied across time periods.

    CONCLUSION: The OPD utilisation was affected during the COVID-19 and sporadic urban-rural differences were observed in some areas of the country. This study offers important insights into the geographic and urban-rural patterns of healthcare utilisation during the pandemic, which are crucial in improving healthcare equity in Malaysia.

    Matched MeSH terms: Urban Population/statistics & numerical data
  15. Lim KK, Chan YY, Teh CH, Ismail H, Yusof R, Muhi J, et al.
    Asia Pac J Clin Nutr, 2017 8 15;26(5):861-866.
    PMID: 28802296 DOI: 10.6133/apjcn.092016.06
    BACKGROUND AND OBJECTIVES: In 2000, legislation on mandatory universal salt iodisation was enacted in Sabah, Malaysia, to reduce the incidence of iodine deficiency disorders among its population. To evaluate the iodine levels among pregnant women from selected rural divisions in Sabah 13 years after the enactment of the universal salt iodisation programme.

    METHODS AND STUDY DESIGN: This cross-sectional study was conducted from 1 May to 30 June, 2013, in three rural divisions of Sabah (the Interior, the West Coast, and Kudat). Data regarding domestic iodised salt use and iodine-containing supplement consumption were obtained from respondents through face-to-face interviews; goitre enlargement was examined through palpation and graded according to the World Health Organization classification. Spot urine samples were also obtained to assess urinary iodine levels by using an in-house modified micromethod.

    RESULTS: In total, 534 pregnant women participated. The prevalence of goitre was 1.0% (n=5), noted only in the West Coast and Kudat divisions. Although all pregnant women consumed iodised salt, overall median urinary iodine concentration was only 106 μg/L, indicating insufficient iodine intake, with nearly two-thirds of the women (60%) having a median urinary iodine concentrations of <150 μg/L.

    CONCLUSIONS: Pregnant women from the rural divisions in Sabah still exhibit iodine deficiency disorder despite the mandatory universal salt iodisation programme. Iodine supplementation programmes targeting pregnant women are warranted.

    Matched MeSH terms: Rural Population*
  16. Arima Y, Edelstein ZR, Han HK, Matsui T
    Western Pac Surveill Response J, 2013 May 14;4(2):47-54.
    PMID: 24015372 DOI: 10.5365/WPSAR.2012.3.4.019
    Dengue is an emerging vectorborne infectious disease that is a major public health concern in the Asia and the Pacific. Official dengue surveillance data for 2011 provided by ministries of health were summarized as part of routine activities of the World Health Organization Regional Office for the Western Pacific. Based on officially reported surveillance data, dengue continued to show sustained activity in the Western Pacific Region. In 2011, Member States reported a total of 244,855 cases of which 839 died for a case fatality rate of 0.34%. More than 1000 cases were reported each from Cambodia, the Federated States of Micronesia, the Lao People's Democratic Republic, Malaysia, the Philippines, the Marshall Islands, Singapore and Viet Nam. Cambodia, the Federated States of Micronesia and the Marshall Islands reported higher activity relative to 2010. There continues to be great variability among the dengue-endemic countries and areas in the Region in the number of cases and serotype distribution. The continued high notification rate and complex dengue epidemiology in the Region highlight the need for information-sharing on a routine and timely basis.
    Matched MeSH terms: Population Surveillance*
  17. Matsumura H, Hudson MJ
    Am J Phys Anthropol, 2005 Jun;127(2):182-209.
    PMID: 15558609
    This article uses metric and nonmetric dental data to test the "two-layer" or immigration hypothesis whereby Southeast Asia was initially occupied by an "Australo-Melanesian" population that later underwent substantial genetic admixture with East Asian immigrants associated with the spread of agriculture from the Neolithic period onwards. We examined teeth from 4,002 individuals comprising 42 prehistoric and historic samples from East Asia, Southeast Asia, Australia, and Melanesia. For the odontometric analysis, dental size proportions were compared using factor analysis and Q-mode correlation coefficients, and overall tooth size was also compared between population samples. Nonmetric population affinities were estimated by Smith's distances, using the frequencies of 16 tooth traits. The results of both the metric and nonmetric analyses demonstrate close affinities between recent Australo-Melanesian samples and samples representing early Southeast Asia, such as the Early to Middle Holocene series from Vietnam, Malaysia, and Flores. In contrast, the dental characteristics of most modern Southeast Asians exhibit a mixture of traits associated with East Asians and Australo-Melanesians, suggesting that these populations were genetically influenced by immigrants from East Asia. East Asian metric and/or nonmetric traits are also found in some prehistoric samples from Southeast Asia such as Ban Kao (Thailand), implying that immigration probably began in the early Neolithic. Much clearer influence of East Asian immigration was found in Early Metal Age Vietnamese and Sulawesi samples. Although the results of this study are consistent with the immigration hypothesis, analysis of additional Neolithic samples is needed to determine the exact timing of population dispersals into Southeast Asia.
    Matched MeSH terms: Population Dynamics*
  18. Saha N
    Am J Phys Anthropol, 1988 Sep;77(1):91-6.
    PMID: 2973240
    The distribution of red cell phosphoglucomutase (PGM) subtypes was determined by starch-gel electrophoresis and isoelectric focusing in a group of 2,484 unrelated individuals from ten Mongoloid populations of East Asia. The sample comprised 998 Chinese from various localities--Singapore, 325; Malaysia, 270; Taiwan, 276; Hong Kong, 67; Fouzhou, 60--as well as 342 Koreans; 252 Filipinos; 529 Thais; 336 Malays, and 27 Indonesians. Altogether 15 phenotypes controlled by four common and five rare alleles at the PGM1 locus were observed in these populations. The frequency of the most frequent allele (PGM1+) varied from 0.56 to 0.74, with the highest frequency observed in the Singapore Chinese and the lowest in the Malays. Within the Chinese from different localities a significant degree of heterogeneity was observed at the PGM1 locus. The rare allele (PGM17)6 was observed only among the Chinese, Thais, and Malays, while the PGM1 was lacking in the Filipinos. A new allele with ahigh pI (6.5) was observed in a low frequency in all the populations but the Malays.
    Matched MeSH terms: Genetics, Population*
  19. Fix AG
    Am J Phys Anthropol, 1984 Oct;65(2):201-12.
    PMID: 6507610
    A Monte Carlo simulation based on the population structure of a small-scale human population, the Semai Senoi of Malaysia, has been developed to study the combined effects of group, kin, and individual selection. The population structure resembles D.S. Wilson's structured deme model in that local breeding populations (Semai settlements) are subdivided into trait groups (hamlets) that may be kin-structured and are not themselves demes. Additionally, settlement breeding populations are connected by two-dimensional stepping-stone migration approaching 30% per generation. Group and kin-structured group selection occur among hamlets the survivors of which then disperse to breed within the settlement population. Genetic drift is modeled by the process of hamlet formation; individual selection as a deterministic process, and stepping-stone migration as either random or kin-structured migrant groups. The mechanism for group selection is epidemics of infectious disease that can wipe out small hamlets particularly if most adults become sick and social life collapses. Genetic resistance to a disease is an individual attribute; however, hamlet groups with several resistant adults are less likely to disintegrate and experience high social mortality. A specific human gene, hemoglobin E, which confers resistance to malaria, is studied as an example of the process. The results of the simulations show that high genetic variance among hamlet groups may be generated by moderate degrees of kin-structuring. This strong microdifferentiation provides the potential for group selection. The effect of group selection in this case is rapid increase in gene frequencies among the total set of populations. In fact, group selection in concert with individual selection produced a faster rate of gene frequency increase among a set of 25 populations than the rate within a single unstructured population subject to deterministic individual selection. Such rapid evolution with plausible rates of extinction, individual selection, and migration and a population structure realistic in its general form, has implications for specific human polymorphisms such as hemoglobin variants and for the more general problem of the tempo of evolution as well.
    Matched MeSH terms: Genetics, Population*
  20. Leong Tak Seng, Lim Boo Liat, Yap LF, Krishnasamy M
    PMID: 483007
    One hundred and fifty one house rats, Rattus rattus diardii from five different localities, Jinjang, Dato Keramat, Kuala Lumpur, Sungai Besi and Selayang Baru, were examined for parasites. Nineteen species of parasites were recovered. Hymenolepis diminuta and Nippostrongylus brasiliensis are the predominant species. The dominancy of the parasite species in the rats differed in each locality: Hymenolepis diminuta in Dato Keramat and Kuala Lumpur; Nippostrongylus brasiliensis in Sungai Besi; Gongylomena neoplasticum in Jinjang and Selayang Baru. The influences of human habitats on the parasite fauna of house rats are discussed.
    Matched MeSH terms: Rural Population; Urban Population
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