Search Results for Sexual Onset

.... The findings indicate that demographic background, family processes, peer influences, and developmental risk factors account for about 30% of the baseline increased likelihood of early sexual onset for African American youths compared with European American youths. However, a significant residual racial...

... that it accelerates the occurrence of family formation and sexual onset among teenage women in Mexico. Focusing on girls aged 15–17 interviewed by a national survey, I find that those who progress through school ahead of their birth cohort have a higher probability of having had sex, been pregnant, and cohabited...

...Laurie S. Zabin; Edward A. Smith; Marilyn B. Hirsch; Janet B. Hardy 12 1 2011 © Population Association of America 1986 1986 Cumulative Probability Pubertal Development Adolescent Pregnancy Family Planning Perspective Sexual Onset References Buck , C...

... and expanding to incorporate multiple disruptions involving parents and their romantic partners, research has found that changes in teens’ residential environments are associated with adolescent romantic relationships and earlier onset of sexual activity. Experiencing parental divorce in childhood is also...

... such measures because they could be endogenous to having become a father. 6 Wu and Martin ( 2013 ) noted the importance of separately considering factors that affect age of sexual onset and that affect the risk of a premarital birth given onset—though they found that variability in the former has...

... in 14 of the countries included in the Human Mortality Database, indicates that an age at the onset of manifest aging can be identified. However, it has not remained constant: it has declined from about 43 and 47 years, respectively, for males and females at the beginning of the period (cohorts born...

... , J. D. , & Fox , G. ( 1983 ). Infertility and Sexually Transmitted Diseases: A Public Health Challenge . Population Reports, Series L: Issues in World Health , 4 , 113 – 51 . Tabutin , D. ( 1982 ). Evolution Régionale de la Fécondité dans l’Ouest du Zaire . Population...

.... This increase can likely be related to the lower estimates of the relative incidence ratios for the 15- to 19-year-old females, suggesting the later onset of sexual activity, on average, and hence a stronger difference in sexual behavior between HIV-positive and HIV-negative women in that age group. Although...

...Noreen Goldman Abstract An analysis of marital histories from World Fertility Survey data in Colombia, Panama, and Peru indicates a high level of union dissolution: the probabilities of a first union ending by separation within twenty years of the onset of union equal .27, .40, and .18 in the three...

... here. 6 The DHS also asked questions about psychological violence. However, respondents were asked about the timing of IPV initiation only if they responded “yes” to at least one physical or sexual IPV question. Thus, our analysis of IPV initiation is restricted to the onset of physical...

... in changing societies: Variability and mechanisms in life course perspective . Annual Review of Sociology , 26 , 667 – 692 . 10.1146/annurev.soc.26.1.667 South , S. J. , Haynie , D. L. , & Bose , S. ( 2005 ). Residential mobility and the onset of adolescent sexual activity...

....” . Journal of Marriage and the Family , 47 , 567 – 83 . 10.2307/352259 Rosenbaum Emily , & Kandel Denise B. ( 1990 ). “Early Onset of Adolescent Sexual Behavior and Drug Involvement.” . Journal of Marriage and the Family , 52 , 783 – 98 . 10.2307/352942 Silbereisen, Rainer K...

...: that is, the proximity of these ages to the onset of sexual maturity (Burger et al. 2012 ; Chu et al. 2008 ; Levitis 2011 ). However, for both males and females, scholars have observed temporal changes in related processes, such as faster body growth or the earlier onset of puberty, over the past century (Frisch...

... in opposite directions or are differentially suppressed and enhanced. We propose the population education transition (PET) curve as a unifying functional form to predict shifting education gradients across the onset and course of a population’s exposure to new health risks and their associated consequences...

.... The results show a significant lag between the onset of marital fertility decline in the nation’s northeastern census divisions and its onset in western and southern census divisions. Empirical models indicate the presence of cultural, economic, and legal impediments to the diffusion of marital fertility...

... differences among native white populations, except for some very low parity women. The findings support the continued analysis of age patterns of fertility as the major means for determining the onset of conscious family limitation. 30 12 2010 © Population Association of America 1984 1984...

... Schools, 1988–1999 . Family Planning Perspectives , 32 , 204 – 12 . 10.2307/2648173 Dorius G.L. , Heaton T.B. , & Steffen P. ( 1993 ). Adolescent Life Events and Their Association With the Onset of Sexual Intercourse . Youth and Society , 25 ( 1 ), 3 – 23 . 10.1177...

... before the onset of AIDS (HPTN 2010 ). It also highlights the importance of the underlying behavioral modeling: models that do not account for the life history of sexual risk would overstate epidemiological implications of current ARV practice. Serial monogamy with high turnover is sufficient...

.... , Schaffrath Rosario A. , & Schlaud M. ( 2007 ). Sexual Maturation of Children and Adolescents in Germany . Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz , 50 , 677 – 85 . 10.1007/s00103-007-0229-3 Kaplowitz P. ( 2006 ). BMI and the Onset of Puberty . In O.H...

... discuss the utility of the design, which is similar to that of an epidemiological surveillance system, for the measurement of coital behavior and pregnancy risk perceptions. Perceptions of pregnancy risk, spousal agreement on sexual relations, menstrual and lactational status, and cycle timing, all...