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pro vyhledávání: '"R J, Haurin"'
Autor:
R J, Haurin, F L, Mott
Publikováno v:
Demography. 27(4)
Using approximately 2,000 sibling pairs from the National Longitudinal Survey of Labor Market Experience of Youth, we examine the influence of an older sibling's age at first sexual intercourse on the sexual initiation of a younger sibling. Hypothese
Autor:
F L, Mott, R J, Haurin
Publikováno v:
Family planning perspectives. 20(3)
Among a nationally representative cohort of young men and women reaching maturity in the late 1970s and early 1980s, over three-fourths of males and half of females had sexual intercourse by age 19, and a substantial minority used marijuana prior to