A Multistate model of fecundability and sterility

James W. Wood, Darryl J. Holman, Anatoli I. Yashin, Raymond J. Peterson, Maxine Weinstein, Ming Cheng Chang

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

This paper develops a multistate hazards model for estimating fecundability and sterility from data on waiting times to conception. Important features of the model include separate sterile and nonsterile states, a distinction between preexisting sterility and sterility that begins after initiation of exposure, and log-normally distributed fecundability among nonsterile couples. Application of the model to data on first birth intervals from Taiwan, Sri Lanka, and the Amish shows that heterogeneity in fecundability is statistically significant at most ages, but that preexisting sterility and new sterility are unimportant before age 40. These results suggest that sterility may not be an important determinant of natural fertility until later reproductive ages.

Original languageEnglish (US)
Pages (from-to)403-426
Number of pages24
JournalDemography
Volume31
Issue number3
DOIs
StatePublished - Aug 1994

All Science Journal Classification (ASJC) codes

  • Demography

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