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This article investigates the interrelationship of socioeconemic status, anthropometric status and mortality of young children in rural Bangladesh. Data for this study come from Matlab, the vital registration area of the International Centre for Diarrhoeal Disease Research, Bangladesh, where anthropometric and socioeconomic data concerning 1976 children aged 12-23 months were collected in November-December 1975. From these data, anthropometric indices are created, and the relationships of socioeconomic status measured by dwelling space and anthropometric indices with mortality during the 2 years following measurement of these children are investigated. It is found that both socioeconomic status and anthropometric indices are related to mortality. However, the relationship of anthropometric indices is much stronger. Among the anthropometric indices considered, weight-for-age, height-for-age and arm circumference reflect socioeconomic status better than weight-for-height does; and, the first three indices are equally good, and individually better than weight-for-height, as predictors of mortality. The degree of the effect of socioeconomic status (dwelling space) on mortality explained by the best performing anthropometric index, weight-for-age, was not more than 25%. It is concluded that an anthropometric index that can classify socioeconomic status more efficiently is a better predictor of 2-year mortality than any other anthropometric index.

The ability of anthropometric indicators, weight-for-age, height-for-age, weight-for-height, weight velocity, and height velocity to discriminate mortality during a one-year period is examined for three time frames beginning in different seasons. Data on approximately 1,000 children of one to four years of age come from the Matlab, International Centre for Diarrhoeal Disease Research, Bangladesh. The indicators' mortality-discriminating power is assessed in terms of the magnitude of difference between the mean indicator values of living and dead children expressed in standard deviation units and of the maximum sum of sensitivity and specificity. The indicators' mortality curve by nutritional status shows the discriminating power visually; the t test indicates its statistical significance. Weight-for-age and height-for-age perform better than weight velocity and height velocity as discriminators of mortality during a one-year period. The ability of weight and height velocity to discriminate short-term mortality is examined by comparing the mean velocity of the last two bimonthly intervals of the dead children. Weight velocity is likely to be a good indicator of short-term mortality.

In this study, the level and pattern of sex preference for children and its effects on fertility intention, fertility-regulating behavior, and fertility implications for women are investigated. Data are from a 1976 cross-sectional KAP (knowledge, attitude, and practice of family planning) survey and a three-year longitudinal study, conducted between December 1976 and 31 December 1979, of vital events for 860 married women of childbearing age from Companiganj, Bangladesh. The results show that although son preference is very strong in this area, more than 98 percent of women desire at least one daughter. However, women with a higher proportion of sons are less likely to want more children and are more likely to practice contraception and to be sterilized. Although women with a higher proportion of sons have somewhat lower fertility in the prospective follow-up period, the net effect of son preference on fertility is not significant, possibly because of the low level of contraceptive use in the population.