human 154 Humans 134 female 126 male 120 Female 96 adult 96 Article 94 Logistic Models 94 statistical model 94 Male 91 major clinical study 91 controlled study 69 middle aged 64 Adult 58 Middle Aged 57 aged 41 risk factor 40 adolescent 38 logistic regression analysis 38 cross-sectional study 36 Risk Factors 35 Adolescent 33 Logistic regression 33 young adult 33 Cross-Sectional Studies 32 Aged 31 United States 29 child 29 Young Adult 28 questionnaire 26