Benton, Noah A Russo, Kim A Brozek, Jeremy M Andrews, Ryan J Kim, Veronica J Kriegsfeld, Lance J Schneider, Jill E
Published in
Physiology & behavior
We tested the hypothesis that the effects of food restriction on behavioral motivation are mediated by one or both of the RFamide peptides, RFamide-related peptide-3 (RFRP-3) and kisspeptin (Kp) in female Syrian hamsters (Mesocricetus auratus). Female hamsters fed ad libitum and given a choice between food and adult male hamsters are highly motivat...
Costa, Luciana Carvalho Rosa, Maria Inês da Battisti, Iara Denise Endruweit
This article focuses on the frequency of condom use and associated factors in university students, based on a cross-sectional study of 633 students in 2006. Associations were investigated using a logistic regression model with 5% significance. Condom use prevalence was 60%. Having candidiasis was a protective factor for condom use in both sexual in...
Gilbert, C. Robertson, G. Maho, Y. Le Naito, Y. Ancel, A.
Although huddling was shown to be the key by which emperor penguins (Aptenodytes forsteri) save energy and sustain their breeding fast during the Antarctic winter, the intricacies of this social behavior have been poorly studied. We recorded abiotic variables with data loggers glued to the feathers of eight individually marked emperor penguins to i...
Trajman, Anete Belo, Márcia Teresa Teixeira, Eleny G. Dantas, Vicente C. S. Salomão, Frederico M. Cunha, Antônio J. Ledo A.
The incidence of AIDS and other sexually transmitted diseases (STDs) is increasing among adolescents. In order to better understand high-risk sexual behavior among students, a cross-sectional study based on a self-answered anonymous questionnaire was conducted in 10 public and private high schools in Rio de Janeiro, Brazil. Data were obtained on so...
Chirinos, Jesús L. Brindis, Claire Tye, Sheri McCarter, Virginia
To identify the differences and similarities in sexual and contraceptive knowledge, attitudes, and behavior among Latino male adolescent students living in California and Lima. Self-administered, anonymous surveys were completed by Latino male students aged 12-19 participating in California, and by male adolescent students in four high schools in L...
Zulkifli, S N Low, W Y
Published in
The Journal of adolescent health : official publication of the Society for Adolescent Medicine
This paper describes findings on selected determinants of sexual intercourse among 468 unmarried adolescents from a survey in Malaysia. Using multivariate logistic regression, respondents' demographic factors, attitudes towards sex, contraceptive use, and living arrangements were analyzed. Overall, it is shown that the proportion of unmarried adole...
Latka, M Gollub, E French, P Stein, Z
Published in
Sexually transmitted diseases
Three observational cohorts that correspond to prevention message received were assembled, and consisted of female sexually transmitted disease clinic patients who were counseled about male condoms, female condoms, or a hierarchy message. The hierarchy message promoted male and female condoms, the diaphragm and cervical cap, spermicides, and withdr...
Gupta, N
Published in
Studies in family planning
To estimate trends and determinants of sexual initiation and contraceptive use among adolescent women in Northeast Brazil, multivariate logistic hazard models are used that draw on data from three Demographic and Health Surveys conducted there between 1986 and 1996. Educational attainment is among the variables found to be associated most consisten...
Chirinos, Jesús L. Salazar, Victor C. Brindis, Claire D.
To document knowledge and attitudes regarding sexuality and sexual practices of male adolescent high school students in Lima, Peru, a self-administered, anonymous survey was completed by 991 male adolescents aged 12-19 as part of a School-Based Sex Education Intervention model. Questions concerned sociodemographic information; family characteristic...
Nazrul Islam, S K Hossain, K J Ahsan, M
Published in
Public health
The sexual life style, drug habit and socio-demographic status of 253 male hospitalized drug addicts were investigated. This study was conducted during the period June 1997 to July 1998, and each case was selected by the random sampling method. The research instrument was an interviewer-administered questionnaire, the sexual habits, number and qual...
