Female Humans 96 female 96 human 96 male 88 Male 87 Logistic Models 78 statistical model 78 adult 72 Article 60 major clinical study 60 Middle Aged 54 middle aged 54 Adult 51 controlled study 39 risk factor 34 Risk Factors 32 aged 31 adolescent 29 young adult 29 Adolescent 28 Aged 28 Young Adult 27 cross-sectional study 25 Cross-Sectional Studies 23 United States 19 questionnaire 19 child 18 prevalence 18 psychology 18