Sankhya: The Indian Journal of Statistics
1994, Volume 56, Series B, Pt. 1, pp. 26--38
ON SOME STOCHASTIC MODELS OF OPEN BIRTH INTERVAL
V. K. TIWARI, National Institute of Health and Family Welfare
S. N. DWIVEDI, All India Institute of Medical Sciences
SUMMARY. In this paper, a set of two probability models have been derived to describe the variation in the length of open birth interval of women having given birth to a child during last "T" years of their current reproductive age. The first model is derived by assuming the reproduction process as a steady-state, the second is obtained by varying the fecundability parameter involved in the first model after the last birth. These models are applied to the three sets of data, one collected from Varanasi-survey, 1969-70 and the other two are generated from the data of age-specific fertility rates using life table technique. The biological parameters such as fecundability and secondary sterility have been estimated using some simple procedure of estimation.
AMS (1985) subject classification. 60G55, 62F12, 62M99.
Key words and phrases. Birth Process, BAN estimates.
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