No abstract available
Keywords:
Logistic Models
,Cross-Sectional Studies
,Sexual Behavior
,Parents
,Age Factors
,Maternal Age
,Demography
,Population Dynamics
,Fertility
,Models, Theoretical
,Time Factors
,Economics
,Developed Countries
,Social Class
,Socioeconomic Factors
,Population Characteristics
,Population
,Educational Status
,Employment
,Salaries and Fringe Benefits
,Asia
,Japan
,Asia, Eastern
