female human 63 male 55 Humans 54 Female 51 adult 50 Male 42 Article 34 controlled study 33 Adult 32 middle aged 27 psychology 27 Middle Aged 25 major clinical study 25 article 17 United States 16 aged 16 child 16 adolescent 15 cross-sectional study 14 Adolescent 13 Aged 13 procedures 13 young adult 13 Young Adult 12 mental health 11 public health 10 questionnaire 10 Child 9 Cross-Sectional Studies 9