Alternative anthropometric indicators of mortality

Abstract

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