Zobrazeno 1 - 10
of 148
pro vyhledávání: '"J. Richard Udry"'
Publikováno v:
American Journal of Epidemiology. 165:901-910
Nicotine metabolism has been hypothesized to affect patterns of smoking. The recent development of a noninvasive measure of nicotine metabolism, the nicotine metabolite ratio (trans-3'-hydroxycotinine/cotinine), makes it possible to examine the assoc
Autor:
Martina Morris, Kathleen Mullan Harris, Myron S. Cohen, Carol A. Ford, John L. Schmitz, J. Richard Udry, William C. Miller, Mark S. Handcock, Marcia M. Hobbs
Publikováno v:
American Journal of Public Health. 96:1091-1097
Objectives. We estimated HIV prevalence rates among young adults in the United States. Methods. We used survey data from the third wave of the National Longitudinal Study of Adolescent Health, a random sample of nearly 19000 young adults initiated in
Publikováno v:
Journal of Research on Adolescence. 15:535-559
Romantic relationships constitute an important, but understudied, developmental context for accommodation to pubertal change. Using a nationally representative sample of 5,487 black, white, and Hispanic adolescent females, this study examined associa
Autor:
Mariah Mantsun Cheng, J. Richard Udry
Publikováno v:
Journal of Developmental and Physical Disabilities. 17:155-172
This study explores differences in sexual behaviors between adolescents with low and with average cognitive abilities in the U.S. Using data from Wave I of the National Longitudinal Study of Adolescent Health (Add Health), we identified 422 responden
Autor:
J. Richard Udry, Kim Chantala
Publikováno v:
Personality and Social Psychology Bulletin. 30:44-55
The authors test the idea that patterns of masculinity-femininity (MF) help sort adolescents into romantic couples. Using a nationally representative sample of adolescents in Grades 7 to 12 from a probability sample of secondary schools in the United
Publikováno v:
American Journal of Public Health. 93:1865-1870
Objectives. This study compared the health and risk status of adolescents who identify with 1 race with those identifying with more than 1 race. Methods. Data are derived from self-reports of race, using the National Longitudinal Study of Adolescent
Autor:
Kim Chantala, J. Richard Udry
Publikováno v:
Social Science Research. 32:294-311
Objectives. Our purpose is to advise those who propose to use school-based sampling frames in studying risk attributes of the adolescent population. Compared to using area sampling frames, will their estimates be biased by the fact that they do not h
Autor:
Kim Chantala, J. Richard Udry
Publikováno v:
Journal of Adolescent Health. 31:84-92
Purpose: To compare the risk status on health and behavior for those with same-sex partners and those without. Methods: Add Health data provide a sample of 20,745 adolescents in grades 7 through 12 interviewed at home. The risk statuses of respondent
Publikováno v:
Personality and Social Psychology Bulletin. 27:1587-1598
This study uses behavioral genetics to examine the contributions of environmental and genetic influences to the sex-typed behaviors and attitudes of adolescent males and females. Data were drawn from 1,301 sibling pairs ranging from monozygotic twins
Publikováno v:
The Journal of Sex Research. 37:327-332
This paper compares contemporaneous and retrospective reports of adolescent masturbation experience, partnered sexual behavior, and nonsexual problem behavior. Analyses are based on data from 59 White males who were followed for 3 years in early adol