human 132 Humans 113 female 107 health behavior 101 male 98 Female 81 Male 74 adult 72 Health Behavior 54 Article 52 psychology 48 Adult 43 major clinical study 36 adolescent 35 controlled study 35 middle aged 34 Adolescent 32 questionnaire 31 Middle Aged 28 article 26 cross-sectional study 26 aged 25 young adult 25 United States 23 Cross-Sectional Studies 22 Surveys and Questionnaires 22 Young Adult 22 attitude to health 21 child 21 Aged 18