38 research outputs found

    Impact of a cash-for-work programme on food consumption and nutrition among women and children facing food insecurity in rural Bangladesh.

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    OBJECTIVE: To determine whether a cash-for-work programme during the annual food insecurity period in Bangladesh improved nutritional status in poor rural women and children. METHODS: The panel study involved a random sample of 895 households from over 50,000 enrolled in a cash-for-work programme between September and December 2007 and 921 similar control households. The height, weight and mid-upper arm circumference of one woman and child aged less than 5 years from each household were measured at baseline and at the end of the study (mean time: 10 weeks). Women reported 7-day household food expenditure and consumption on both occasions. Changes in parameters were compared between the two groups. FINDINGS: At baseline, no significant difference existed between the groups. By the study end, the difference in mean mid-upper arm circumference between women in the intervention and control groups had widened by 2.29 mm and the difference in mean weight, by 0.88 kg. Among children, the difference in means between the two groups had also widened in favour of the intervention group for: height (0.08 cm; P<0.05), weight (0.22 kg; P<0.001), mid-upper arm circumference (1.41 mm; P<0.001) and z-scores for height-for-age (0.02; P<0.001), weight-for-age (0.17; P<0.001), weight-for-height (0.23; P<0.001) and mid-upper arm circumference (0.12; P<0.001). Intervention households spent more on food and consumed more protein-rich food at the end of the study. CONCLUSION: The cash-for-work programme led to greater household food expenditure and consumption and women's and children's nutritional status improved

    Educational Homogamy Lowers the Odds of Reproductive Failure

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    Assortative mating based on education is a common phenomenon. We investigated whether it affected parameters of reproductive performance such as childlessness, offspring number and age at first marriage. On the basis of the US census from 1980 (n = 670,631 married US couples), we find that the proportion of childless individuals is usually minimal in women married to a husband of the same educational level. This holds particularly true in the highest and the lowest educated women. Educational homogamy is also associated with a lower average age at first marriage. No obvious effect of educational homogamy on a woman's average offspring number is found, where mean offspring number generally increases both with decreasing woman's and decreasing husband's educational attainment. We conclude that educational homogamy reduces the likelihood of reproductive failure

    How Humans Differ from Other Animals in Their Levels of Morphological Variation

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    Animal species come in many shapes and sizes, as do the individuals and populations that make up each species. To us, humans might seem to show particularly high levels of morphological variation, but perhaps this perception is simply based on enhanced recognition of individual conspecifics relative to individual heterospecifics. We here more objectively ask how humans compare to other animals in terms of body size variation. We quantitatively compare levels of variation in body length (height) and mass within and among 99 human populations and 848 animal populations (210 species). We find that humans show low levels of within-population body height variation in comparison to body length variation in other animals. Humans do not, however, show distinctive levels of within-population body mass variation, nor of among-population body height or mass variation. These results are consistent with the idea that natural and sexual selection have reduced human height variation within populations, while maintaining it among populations. We therefore hypothesize that humans have evolved on a rugged adaptive landscape with strong selection for body height optima that differ among locations

    Human Variation: from the Laboratory to the Field

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    The transition in anthropological and biomedical research methods over the past 50years has resulted in continued revision of opinions and ideas relating to the factors and forces that drive human variation. This book reviews the ways in which human variation is understood, paying attention to genetics, growth and development, and physiology. The chapter by Ulijaszek and Komlos entitled ‘From a History of Anthropometry to Anthropometric History’, traces changes in the uses of anthropometric methods and the interpretive lenses used for analysis and understanding of anthropometric data from the eighteenth century to the present da

    Conicity index of adult Bangladeshi population and their socio-demographic characteristics

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    In spite of acknowledged importance, no unified definition exists for central obesity. Several anthropometric indexes such as waist circumference, waist-hip ratio, waist-to-height ratio, conicity index etc, are being used. Cindex has been shown to correlate well with various cardiovascular risk factors associated with visceral fat accumulation in some population. Data were collected through interviewing and measuring 22,995 adult males and females of an urban (Mirpur, Dhaka City) and rural area (Kaliganj sub-district) in 2002 and 2003. Overall the mean (SD) conicity index was 1.20 (0.10) and 40.8% of this sample had a high Cindex. Females, increasing age, urban residents, Christians, the better educated, married and farmers were more likely to have higher Cindex than their counterparts. There is a scarcity of data about the conicity index of Bangladeshis and this cross-sectional study is the first large-scale attempt. So it can be used as a baseline data for further research in this field. Ibrahim Med. Coll. J. 2009; 3(1): 1-

    Waist-to-height ratio and socio-demographic characteristics of Bangladeshi adults

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    Anthropometric indicators of abdominal obesity are associated with cardiovascular risk factors, such as type 2 diabetes, hypertension, and dyslipidemia. Controversy remains regarding the best anthropometric indices for cardiovascular risk. Waist-to-height ratio has been reported to be an effective predictor of metabolic risks and it may be a better measure of relative fat distribution amongst subjects of different age and statures. Bangladeshi data lack in this perspective. To determine waist-to-height ratio of Bangladeshi adults along with its variation with socio-economic status, cross-sectional studies were conducted in 2002 and 2003. Data were collected through interviewing and measuring height and waist circumference of 22,995 adult males and females of an urban (Mirpur, Dhaka City) and rural area (Kaliganj sub-district). The mean waist-to-height ratio of 0.48 significantly varied with socio-demographic variables and it was markedly higher in females, older age groups, urban residents and the better educated. Urban residents, females, older people, better educational status, the non-paid and married individuals were more likely to have high waist-to-height ratio (³0.5). High waist-to-height ratio levels using sex-specific cut-offs were more common in females, urban residents, Christians, older individuals, married, the better educated and the non-paid. Age and locality were identified as best predictors in males and females, respectively. Ibrahim Med. Coll. J. 2010; 4(2): 49-5
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