On estimating current levels of fertility and child mortality from the data on open birth interval and survival status of the last child
Pathak, K.B.; Pandey, A.; Mishra, U.S.
Janasamkhya 9(1-2): 15-24
1991
PMID: 12287689 Document Number: 334444
A steady state model was described for estimating fertility and child mortality simultaneously from data on open birth interval and survival status of the last child. The estimation of risks of mortality and fertility were period specific, and child mortality risk was estimated with a Weibull distribution function. The model was applied to 1981 census data for India on observed childhood mortality and age specific fertility rates. The life table approach of Pandey and Suchindran was used to generate a period specific distribution of open birth intervals from age specific marital fertility rates (ASMFR). Sprague multipliers were used to obtain ASMFR by single years of age and then to generate the open birth intervals of women aged 15-49 years. The survival status of the last born child during the preceding 5 years of the census was simulated by applying the observed mortality pattern for India. The final set of estimates with a minimum value of Chi-square was m=0.23, a=0.134, b=0.261 and an assumed value of h=1.25.