Contraception / Adolescent / Pregnancy / Humans / Nicaragua / Female / Male / Sterilization / Clinical Sciences / Condom use / Middle Aged / Adult / Public health systems and services research / Educational Status / Urban Population / Rural Area / Sexual Activity / Intrauterine device / Condoms / IntraUterine Devices / Oral Contraceptive / Socioeconomic Factors / Female / Male / Sterilization / Clinical Sciences / Condom use / Middle Aged / Adult / Public health systems and services research / Educational Status / Urban Population / Rural Area / Sexual Activity / Intrauterine device / Condoms / IntraUterine Devices / Oral Contraceptive / Socioeconomic Factors
Contraception / Adolescent / Pregnancy / Humans / Nicaragua / Female / Male / Sterilization / Clinical Sciences / Condom use / Middle Aged / Adult / Public health systems and services research / Educational Status / Urban Population / Rural Area / Sexual Activity / Intrauterine device / Condoms / IntraUterine Devices / Oral Contraceptive / Socioeconomic Factors / Female / Male / Sterilization / Clinical Sciences / Condom use / Middle Aged / Adult / Public health systems and services research / Educational Status / Urban Population / Rural Area / Sexual Activity / Intrauterine device / Condoms / IntraUterine Devices / Oral Contraceptive / Socioeconomic Factors
Parenting / Medical Microbiology / Health Education / Adolescent / London / Humans / Child / Female / Sexually transmitted infections / Male / Clinical Sciences / Parents / Questionnaires / Public health systems and services research / Condoms / Sexual Partners / Sexually Transmitted Diseases / Substance-Related Disorders / Ambulatory Care / Humans / Child / Female / Sexually transmitted infections / Male / Clinical Sciences / Parents / Questionnaires / Public health systems and services research / Condoms / Sexual Partners / Sexually Transmitted Diseases / Substance-Related Disorders / Ambulatory Care
Health Psychology / Education / Social Cognitive Theory / Adolescent / Self Efficacy / Students / Humans / Female / College Students / Male / Sexual Behavior / Universities / Condom use / Human immunodeficiency virus / Questionnaires / Adult / Risky Sexual Behavior / Condoms / Structural model / Acquired immunodeficiency syndrome / Students / Humans / Female / College Students / Male / Sexual Behavior / Universities / Condom use / Human immunodeficiency virus / Questionnaires / Adult / Risky Sexual Behavior / Condoms / Structural model / Acquired immunodeficiency syndrome
Bioinformatics / Research Methodology / Contraception / Malaysia / Life Sciences / Fertility / Developing Countries / Population Dynamics / Adolescent / Social Class / Knowledge / Pregnancy / Population / Humans / Biomedical Research / Measurement / Female / Male / Young Adult / Socioeconomic Status / Prevalence / Adult / Public health systems and services research / Cross Sectional Analysis / Condoms / Cross Sectional Studies / Sexually Transmitted Diseases / Fertility / Developing Countries / Population Dynamics / Adolescent / Social Class / Knowledge / Pregnancy / Population / Humans / Biomedical Research / Measurement / Female / Male / Young Adult / Socioeconomic Status / Prevalence / Adult / Public health systems and services research / Cross Sectional Analysis / Condoms / Cross Sectional Studies / Sexually Transmitted Diseases
Adolescent / Commerce / Library and Information Studies / Humans / Female / Male / HIV Prevention / Data Collection / Condom use / Middle Aged / Survey data / Adult / Public health systems and services research / Reproducibility of Results / Condoms / Sexual Partners / Estimation Method / Safe Sex / Marital Status / Male / HIV Prevention / Data Collection / Condom use / Middle Aged / Survey data / Adult / Public health systems and services research / Reproducibility of Results / Condoms / Sexual Partners / Estimation Method / Safe Sex / Marital Status