title: An extension of a model for first birth interval and some social factors.
abstract: "A model for the time of first birth is presented under certain assumptions, which involve biological and socio-cultural factors."  The model is illustrated using data from Rural Development and Population Growth--A Sample Survey, 1978, conducted in Varanasi, India, and involving some 3,514 households.
authors.forename: B N
authors.initials: BN
authors.lastname: Bhattacharya
authors.forename: K K
authors.initials: KK
authors.lastname: Singh
authors.forename: U
authors.initials: U
authors.lastname: Singh
authors.forename: C M
authors.initials: CM
authors.lastname: Pandey
mesh_terms: D001208:Asia; D001695:Biology; D001721:Birth Intervals; D001722:Birth Order; D001723:Birth Rate; D003469:Culture; D003710:Demography; D003906:Developing Countries; D004467:Economics; D005298:Fertility; D007194:India; D008962:Models, Theoretical; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D017584:Reproductive History; D012106:Research; D012959:Socioeconomic Factors
keywords: Asia; Biological Characteristics; Biology; Birth Intervals; Cultural Background; Demographic Factors; Developing Countries; Economic Factors; Fertility; Fertility Measurements; First Birth; India; Models, Theoretical; Population; Population Characteristics; Population Dynamics; Pregnancy History; Research Methodology; Socioeconomic Factors; Southern Asia