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Fulltext Stress and female reproductive function: a study of daily variations in cortisol, gonadotrophins, and gonadal steroids in a rural Mayan population

Nepomnaschy PA, Welch K, McConnell D, Strassmann BI, England BG

Am J Hum Biol, 2004 Sep-Oct;16(5):523-32.
PMID: 15368600 DOI: 10.1002/ajhb.20057

We report here on a longitudinal study of stress and women's reproduction in a small Kaqchikel Mayan community in rural Guatemala. Current understanding of the effects of stress on the reproductive axis in women is mostly derived from clinical studies of individual stressors. Little is known, however, about the cumulative effects of "real life" stress. Cortisol increases in response to a broad variety of individual stressors (Tilbrook et al., 2002). In this article, we evaluate the association between daily fluctuations in women's urinary cortisol and reproductive hormones: estrone conjugates (E(1)C), pregnandiol glucuronide (PdG), luteinizing hormone (LH), and follicle stimulating hormone (FSH). To assess the association between daily changes in cortisol levels and changes in the profiles of the reproductive hormones, we used a random coefficients model based on polynomial regression. The sample includes 92 menstrual cycles provided by 24 participants over a year-long prospective study. Increases in urinary cortisol levels were associated with significant increases in gonadotrophin and progestin levels during the follicular phase. Also, in a time window between days 4 and 10 after ovulation, increased cortisol levels were associated with significantly lower progestin levels. These results are significant because untimely increases in gonadotrophins and low midluteal progesterone levels have previously been reported to impinge on the ovulatory and luteinization processes and to reduce the chances of successful implantation (Ferin, 1999; Baird et al., 1999). Future research should consider the possibility that stress may affect fecundability and implantation without necessarily causing amenorrhoea or oligomenorrhoea.

Matched MeSH terms: Rural Population
Fulltext Predominance of Blastocystis sp. Infection among School Children in Peninsular Malaysia

Nithyamathi K, Chandramathi S, Kumar S

PLoS One, 2016;11(2):e0136709.
PMID: 26914483 DOI: 10.1371/journal.pone.0136709

BACKGROUND: One of the largest cross-sectional study in recent years was carried out to investigate the prevalence of intestinal parasitic infections among urban and rural school children from five states namely Selangor, Perak, Pahang, Kedah and Johor in Peninsula Malaysia. This information would be vital for school authorities to influence strategies for providing better health especially in terms of reducing intestinal parasitism.
METHODS AND PRINCIPAL FINDINGS: A total of 3776 stool cups was distributed to 26 schools throughout the country. 1760 (46.61%) responded. The overall prevalence of intestinal parasitic infection in both rural and urban areas was 13.3%, with Blastocystis sp (10.6%) being the most predominant, followed by Trichuris trichiura (3.4%), Ascaris lumbricoides (1.5%) and hook worm infection (0.9%). Only rural school children had helminthic infection. In general Perak had the highest infection (37.2%, total, n = 317), followed by Selangor (10.4%, total, n = 729), Pahang (8.6%, total, n = 221), Kedah (6.2%, total, n = 195) and Johor (3.4%, total, n = 298). School children from rural schools had higher infection (13.7%, total, n = 922) than urban school children (7.2%, total, n = 838). Subtype (ST) 3 (54.3%) is the most predominant ST with persons infected with only ST1 and ST3 showing symptoms. Blastocystis sp infection significantly associated with low household income, low parent's education and presence of symptoms (p<0.05).
CONCLUSION: It is critical that we institute deworming and treatment to eradicate the parasite especially in rural school children.

Matched MeSH terms: Rural Population
Fulltext Prevalence of Dientamoeba fragilis among an Orang Asli population in rural Malaysia

Anuar TS, Hasim L, Moktar N, Salleh FM, Al-Mekhlafi HM

Southeast Asian J. Trop. Med. Public Health, 2015 Sep;46(5):844-9.
PMID: 26863855

Dientamoeba fragilis is a trichomonad parasite that can infect the gastrointestinal tract of humans causing gastrointestinal disease. Little is known about its epidemiology. We evaluated the prevalence of D. fragilis by conducting a cross sectional study of an Orang Asli population in rural Malaysia. We examined stool samples from 150 participants for D. fragilis using Wheatley's trichrome stain and collected demographic data from each participant using a structured questionnaire. Five participants (3.3%) had D. fragilis in their stool; four of these were aged < 15 years; 3 were male and 2 were female. All participants with positive stool sample for D. fragilis were symptomatic; 3 had diarrhea and 2 had other gastrointestinal symptoms. D. fragilis is present in the study population. Further studies are needed to determine the virulence, pathogenicity and mode of transmission of D. fragilis in the study population.

Matched MeSH terms: Rural Population
Fulltext Understanding the modifiable health systems barriers to hypertension management in Malaysia: a multi-method health systems appraisal approach

Risso-Gill I, Balabanova D, Majid F, Ng KK, Yusoff K, Mustapha F, et al.

BMC Health Serv Res, 2015;15:254.
PMID: 26135302 DOI: 10.1186/s12913-015-0916-y

The growing burden of non-communicable diseases in middle-income countries demands models of care that are appropriate to local contexts and acceptable to patients in order to be effective. We describe a multi-method health system appraisal to inform the design of an intervention that will be used in a cluster randomized controlled trial to improve hypertension control in Malaysia.

Matched MeSH terms: Rural Population
Fulltext Self-perception and quality of life among overweight and obese rural housewives in Kelantan, Malaysia

Muda WA, Kuate D, Jalil RA, Nik WS, Awang SA

Health Qual Life Outcomes, 2015;13:19.
PMID: 25879187 DOI: 10.1186/s12955-015-0210-z

Obesity, in the past was perceived to be the problem of the rich, but recent studies have reported that the problem of obesity is a worldwide problem and rural population is no less affected. Self-perceived health and weight appropriateness is an important component of weight-loss and eating behaviors and may be mediated by local, social and cultural patterning. In addition to the quality of life assessment, it should therefore be an important focal point for the design and implementation of clinical and public health policies.

Matched MeSH terms: Rural Population
The traditional healer in obstetric care: A persistent wasted opportunity in maternal health

Aborigo RA, Allotey P, Reidpath DD

Soc Sci Med, 2015 May;133:59-66.
PMID: 25841096 DOI: 10.1016/j.socscimed.2015.03.046

Traditional medical systems in low income countries remain the first line service of choice, particularly for rural communities. Although the role of traditional birth attendants (TBAs) is recognised in many primary health care systems in low income countries, other types of traditional practitioners have had less traction. We explored the role played by traditional healers in northern Ghana in managing pregnancy-related complications and examined their relevance to current initiatives to reduce maternal morbidity and mortality. A grounded theory qualitative approach was employed. Twenty focus group discussions were conducted with TBAs and 19 in-depth interviews with traditional healers with expertise in managing obstetric complications. Traditional healers are extensively consulted to manage obstetric complications within their communities. Their clientele includes families who for either reasons of access or traditional beliefs, will not use modern health care providers, or those who shop across multiple health systems. The traditional practitioners claim expertise in a range of complications that are related to witchcraft and other culturally defined syndromes; conditions for which modern health care providers are believed to lack expertise. Most healers expressed a willingness to work with the formal health services because they had unique knowledge, skills and the trust of the community. However this would require a stronger acknowledgement and integration within safe motherhood programs.

Matched MeSH terms: Rural Population
Development of a screening tool for detecting undernutrition and dietary inadequacy among rural elderly in Malaysia: simple indices to identify individuals at high risk

Shahar S, Dixon RA, Earland J

Int J Food Sci Nutr, 1999 Nov;50(6):435-44.
PMID: 10719584

Undernutrition and the consumption of poor diets are prevalent among elderly people in developing countries. Recognising the importance of the early identification of individuals at high nutritional risk, this study aimed to develop a simple tool for screening. A cross-sectional study was conducted on 11 randomly selected villages among the 62 in Mersing District, Malaysia. Undernutrition was assessed using body mass index, plasma albumin and haemoglobin on 285 subjects. Dietary inadequacy (a count of nutrients falling below two-thirds of the Recommended Dietary Allowances) was examined for 337 subjects. Logistic regression analysis was performed to identify significant predictors of undernutrition and dietary inadequacy from social and health factors, and to derive appropriate indices based on these predictions. The multivariate predictors of undernutrition were 'no joint disease', 'smoker', 'no hypertension', 'depended on others for economic resource', 'respiratory disease', 'perceived weight loss' and 'chewing difficulty', with a joint sensitivity of 56% and specificity of 84%. The equivalent predictors of dietary inadequacy were 'unable to take public transport', 'loss of appetite', 'chewing difficulty', 'no regular fruit intake' and 'regularly taking less than three meals per day', with a joint sensitivity of 77% and specificity of 47%. These predictions, with minor modification to simplify operational use, led to the production of a simple screening tool. The tool can be used by public health professionals or community workers or leaders as a simple and rapid instrument to screen individual at high risk of undernutrition and/or dietary inadequacy.

Matched MeSH terms: Rural Population
Fulltext Tobacco usage among rural Bajaus in Sabah, Malaysia

Gan CY

Southeast Asian J. Trop. Med. Public Health, 1998 Sep;29(3):643-8.
PMID: 10437972

As part of a larger study to bring attention to smoking and smokeless tobacco use among the indigenous people of Sabah State in Malaysia, the Bajaus were interviewed in a cross-sectional survey. 74.4% of the men smoked compared to 3.3% of the women and 77% of women used smokeless tobacco compared to 4.3% of men. Local handrolled cigarettes called kirais were popular and smokeless tobacco was used as an ingredient in the ritual of betel-quid chewing. Tobacco was also used because it was thought to have medicinal effects. The prevalence of smokeless tobacco use was significantly lower among the better educated women but for smoking, education had no relation with prevalence. Both habits could be easily maintained as they were cheap practices which were socially and culturally accepted. Awareness of the adverse effects of such tobacco habits was poor and intervention programs to curb tobacco use is required.

Matched MeSH terms: Rural Population
Social and behavioral aspects of filariasis transmission in Kumpeh, Jambi, Indonesia

Sudomo M, Kasnodiharjo, Oemijati S

Southeast Asian J. Trop. Med. Public Health, 1993;24 Suppl 2:26-30.
PMID: 7973942

Studies on the social and behavioral aspects of filariasis transmission were conducted in the transmigration area of Kumpeh, in the province of Jambi, Sumatra, Indonesia. Three methods were used in the study namely, interview, participation observation and focus group discussion. A total of 266 respondents (136 males and 130 females) were interviewed. The results of the study showed the most of the transmigrants were not familiar with the word "filariasis". They were more used to the name of "penyakit kaki gajah" or "elephant's leg" disease or "untut". The word "untut" is similar to what people of Selangor, Malaysia call this disease. The community attitude towards control efforts against filariasis was positive, as evidenced by their readiness in being bled and their readiness to help change the environment which serves as mosquito breeding places. Usually the transmigrants live in the "ladang" or dry farming area for 3-4 months to protect their crops from damages by pests. This habit was rather negative, because in their "ladangs" they exposed themselves to high risk of mosquito bites and thus to filariasis infection.

Matched MeSH terms: Rural Population
Fulltext Prelabour rupture of membranes and neonatal morbidity in level II nursery in Kelantan

Malik AS

Med J Malaysia, 1994 Mar;49(1):12-6.
PMID: 8057984

In view of controversial reports about the role of prelabour rupture of foetal membranes (PROM) in neonatal morbidity and to study the association of PROM with infections and meconium aspiration syndrome (MAS), a prospective case control study was conducted in a level II nursery of Hospital Universiti Sains Malaysia, Kubang Kerian, Kelantan. Of the 111 neonates with PROM studied, 18 developed clinical problems (septicaemia and other specific problems such as pneumonia, omphalitis, skin infection and MAS) while 5/56 of the control group developed similar problems. The difference between the two groups was not significant (p < 0.30). There was no neonatal death. It is concluded that PROM is not associated with neonatal morbidity. Neonates with this problem alone do not need to be admitted to the neonatal nursery.

Matched MeSH terms: Rural Population
Antibody reactivity with two strains of human herpesvirus-6 in Malaysians

Yadav M, Umamaheswari S, Ablashi D

J Med Virol, 1991 Apr;33(4):236-9.
PMID: 1649908

A total of 234 sera from healthy Malaysians of diverse ethnic origins were tested for antibody to the Z29 and prototype GS strains of HHV-6. The prevalence in the races ranged from 58 to 80% for the GS strain and 49 to 76% for the Z29 strain. The highest prevalence was in Malays with semi-urban cultural lifestyles and lowest was in the indigenous rural tribes (Ibans, Kadazans, Bidayuhs, and Orang Asli). The antibody titres to GS and Z29 virus capsid antigens differed in 11 (4.7%) samples by more than 2 dilutions. In 9 of the 11 sera the titres to GS strain were higher than to the Z29 strain. The differences in the antibody titres between strains of HHV-6 may reflect subtle changes in antigen structure of the virus recognised by some individuals.

Matched MeSH terms: Rural Population
Alphaviruses in Peninsular Malaysia: II. Serological evidence of human infection

Marchette NJ, Rudnick A, Garcia R

Southeast Asian J. Trop. Med. Public Health, 1980 Mar;11(1):14-23.
PMID: 7403943

A serum survey of several characteristic groups of humans in urban, rural, and forested areas of Peninsular Malaysia for evidence of infection with three alphaviruses (Sindbis, getah, and chikungunya) was made on 4384 specimens collected between 1965 and 1969. Analysis of the serological results indicated that 1) persons residing in predominantly rural and forested areas have higher frequencies of specific alphavirus antibody of all three viruses than persons residing in urban areas, 2) human infection with chikungunya virus appears to be at a low level of activity but is widespread, although more common and recent in the northern part of the country, and 3) Sindbis and getah viruses probably do not represent a threat to the public health, but chikungunya virus remains a potential menance and may be responsible for future epidemics transmitted by A. aegypti and A. albopictus mosquitoes.

Matched MeSH terms: Rural Population
Parity as a determinant of the hematologic response to hematinics supplementation in underprivileged pregnant women in Malaysia

Foo LC, Somsiah P

Asia Pac J Public Health, 1991;5(4):302-6.
PMID: 1844219

The effect of parity on the hematological response to supplemental hematinics and the relationship between birth weight and Hb concentration were examined in 67 pregnant rural Kelantanese Malay women recruited at 20-24 weeks of gestation. Among initially anemic women (Hb concentration at recruitment < 110 g/l), a significant supplementation effect was observed in the lower parae (3 or less children) but not in the higher parae. Among initially nonanemic women, a progressive decline in mean Hb concentration was observed in the higher parae; in the lower parae, however, an initial fall in mean Hb concentration was followed by a rise to almost the initial level. Birth weight was inversely related to initial Hb concentration. There was no association between birth weight and final measured Hb level, parity or any of the measured maternal characteristics. These observations suggest: a) women with initially lower Hb concentration might have experienced a greater acceleration of plasma volume expansion than those with initially higher Hb level; and b) hemopoiesis might be impaired in the higher multiparae.

Matched MeSH terms: Rural Population
1980 ASEAN programme roundup: a model in the making

Asian Pac Popul Programme News, 1981;10(1-2):25-8.
PMID: 12312016
Matched MeSH terms: Rural Population
Space spraying of bacterial and chemical insecticides against Anopheles balabacensis Baisas for the control of malaria in Sabah, East Malaysia

Seleena P, Lee HL, Chooi KH, Junaidih S

Southeast Asian J. Trop. Med. Public Health, 2004 Mar;35(1):68-78.
PMID: 15272747

A pilot study was undertaken to determine the effectiveness of space application of insecticides for the control of malaria in Ranau, a district in Sabah. A village each was treated monthly: with chemical adulticide--alpha cypermethrin (Fendona SC(R)/10SC(R)) at 2 g a.i./10,000 m2 in Pahu; with biological larvicides--Bacillus thuringiensis israelensis (Vectobac 12AS(R)) at 500 ml/10,000 m2 or B. sphaericus (Vectolex WG(R)) at 500 g/10,000 m2 in Pinawantai; and with a mixture of chemical adulticide and biological larvicide in Togop Laut. All sprayings were conducted using a portable mist blower. During the study period all villages, including Tarawas the untreated village, received the conventional malaria control measures. Entomological and epidemiological surveillance was used to measure the effectiveness of the space application. The entomological surveillance indicated that the An. balabacensis population was significantly reduced by alpha cypermethrin in Pahu and Togop Laut and B. sphaericus in Pinawantai; but was not reduced by B.t.i. in Pinawantai. There was a significant reduction in the number of malaria cases and in the slide positivity rate in the treated villages during the study period. The pilot study does indicate that space application of larvicides/adulticides or a mixture of both is able to reduce the malaria vector population and the malaria transmission. A larger scale study needs to be undertaken in a malarious village/province to determine whether space application of insecticides together with other malaria control measures will be able to eradicate malaria.

Matched MeSH terms: Rural Population
Cardiovascular disease in a West Malaysian town. A survey in general practice

Balasundaram R

Trans R Soc Trop Med Hyg, 1970;64(4):607-14.
PMID: 5485621 DOI: 10.1016/0035-9203(70)90085-4

The pattern and incidence of cardiovascular disease was studied in a general practice in an urban-rural area in the west coast of West Malaysia. Hypertension, rheumatic heart disease and congenital heart disease accounted for 85% of the 476 patients with evidence of cardiovascular disease. Ischaemic heart disease, arteriosclerotic heart disease and other conditions accounted for the rest. Emphasis is laid on the salient features of incidence in general practice. Comparison is made with previous clinical and pathological studies from this region.
Study site: General practjce clinic, Telok Anson [Teluk Intan], District of Lower Perak, Malaysia

Matched MeSH terms: Rural Population
Organization of a blood transfusion service in tropical areas

Lopez CG

Southeast Asian J. Trop. Med. Public Health, 1979 Jun;10(2):177-83.
PMID: 524138
Matched MeSH terms: Rural Population
Food and Nutrition in Malaysian Children

Karim NA, Razak NA

Nestle Nutr Inst Workshop Ser, 2019;91:123-130.
PMID: 30865965 DOI: 10.1159/000493704

Two nationwide studies, namely the South East Asian Nutrition Survey (SEANUTS Malaysia) and MyBreakfast study showed that 13-17% of children aged between 6 and 12 years were either overweight or obese. From dietary assessment, the majority of children achieved the Malaysian recommended nutrient intake (RNI) for energy and protein, but more than 50% did not fulfill the RNI for calcium and vitamin D. The majority of children consumed breakfast regularly; however, 20-30% of children skipped breakfast. The MyBreakfast study showed that 17.7% of the children consumed ready-to-eat cereal (RTEC) at breakfast, while among non-RTEC consumers, bread (44.2%), eggs (31.8%), and nasi lemak (23.9%) were the most common foods consumed. RTEC was the major contributor of whole grain (68.6%), followed by hot cereal (18.6%), biscuits (8.7%), and bread (1.8%). In the SEANUTS Malaysia, among children aged 7-9 years, 13.4 and 9.5% met the Malaysian Dietary Guideline (MDG) for fruits and vegetables while among children aged 10-12 years, only 19.6 and 16.1%, respectively, met the MDG for fruits and vegetables. For the milk group, only 5.5% of 7- to 9-year-old children and 3.7% of those 10-12 years old met the MDG for milk/dairy products per day.

Matched MeSH terms: Rural Population
Fulltext White Rice Intake and Incident Diabetes: A Study of 132,373 Participants in 21 Countries

Bhavadharini B, Mohan V, Dehghan M, Rangarajan S, Swaminathan S, Rosengren A, et al.

Diabetes Care, 2020 11;43(11):2643-2650.
PMID: 32873587 DOI: 10.2337/dc19-2335

OBJECTIVE: Previous prospective studies on the association of white rice intake with incident diabetes have shown contradictory results but were conducted in single countries and predominantly in Asia. We report on the association of white rice with risk of diabetes in the multinational Prospective Urban Rural Epidemiology (PURE) study.
RESEARCH DESIGN AND METHODS: Data on 132,373 individuals aged 35-70 years from 21 countries were analyzed. White rice consumption (cooked) was categorized as <150, ≥150 to <300, ≥300 to <450, and ≥450 g/day, based on one cup of cooked rice = 150 g. The primary outcome was incident diabetes. Hazard ratios (HRs) were calculated using a multivariable Cox frailty model.
RESULTS: During a mean follow-up period of 9.5 years, 6,129 individuals without baseline diabetes developed incident diabetes. In the overall cohort, higher intake of white rice (≥450 g/day compared with <150 g/day) was associated with increased risk of diabetes (HR 1.20; 95% CI 1.02-1.40; P for trend = 0.003). However, the highest risk was seen in South Asia (HR 1.61; 95% CI 1.13-2.30; P for trend = 0.02), followed by other regions of the world (which included South East Asia, Middle East, South America, North America, Europe, and Africa) (HR 1.41; 95% CI 1.08-1.86; P for trend = 0.01), while in China there was no significant association (HR 1.04; 95% CI 0.77-1.40; P for trend = 0.38).
CONCLUSIONS: Higher consumption of white rice is associated with an increased risk of incident diabetes with the strongest association being observed in South Asia, while in other regions, a modest, nonsignificant association was seen.

Matched MeSH terms: Rural Population
Fulltext Peoples' understanding, acceptance, and perceived challenges of vaccination against COVID-19: A cross-sectional study in Bangladesh

Paul A, Sikdar D, Mahanta J, Ghosh S, Jabed MA, Paul S, et al.

PLoS One, 2021;16(8):e0256493.
PMID: 34415969 DOI: 10.1371/journal.pone.0256493

In order to eliminate COVID-19, many countries provided vaccinations. However, success depends on peoples' knowledge levels and rates of acceptance. But, previous research on this topic is currently lacking in Bangladesh. This cross-sectional study aimed at to investigate Bangladeshi peoples' knowledge, acceptance, and perception of challenges regarding COVID-19 vaccines. Quantitative data were collected using an online survey (n = 1975) and face-to-face interviews (n = 2200) with a pre-tested structured questionnaire. In addition, seven open-ended interviews were conducted with health experts regarding challenges of vaccination. Binary logistic regression analyses were conducted to assess the association between explanatory and dependent variables. Effect size was estimated to understand the magnitude of relationship between two variables. Of 4175 respondents, 92.6% knew about COVID-19 vaccines, while only 37.4% believed vaccines to be effective in controlling COVID-19. Nearly 46% of respondents believed that COVID-19 vaccines have side-effects, and 16.4% of respondents believed that side-effects could be life-threatening. Only 60.5% of respondents indicated that they would receive the COVID-19 vaccine. Out of 1650 respondents (39.5%) who did not intend to receive the vaccine, 948 (57.4%) believed that they would be naturally protected. Regressions results indicated that men had higher rates of knowledge regarding the vaccine. In addition, rural respondents demonstrated lower knowledge regarding the vaccine. Furthermore, education had a significant association with knowledge of COVID-19 vaccines. Respondents with university education had more knowledge regarding the vaccine (Odds ratio, OR = 29.99; 95% confidence interval, CI 11.40-78.90, effect size 1.88; p = 0.01) and correct dosage (OR 27.34; 95% CI 15.25-49.00, effect size 1.83; p = 0.01). However, women (OR 1.16; 95% CI 0.96-1.40, effect size 0.08) and rural (OR 1.24; 95% CI 1.07-1.44, effect size 0.12; p = 0.01) respondents were more enthusiastic regarding receiving the COVID-19 vaccine. Higher educated respondents showed higher probability of receiving the vaccine. Those who believed in the effectiveness of the COVID-19 vaccine were 11.57 times more interested (OR 11.57; 95% CI 8.92-15.01, effect size 1.35; p = 0.01) in receiving the vaccine. Open-ended interviews identified several challenges toward successful COVID-19 vaccination. Mass awareness creation, uninterrupted supply, equitable distribution, and sectoral coordination were suggested to achieve at least 70% immunization across the country.

Matched MeSH terms: Rural Population

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