statistics and numerical data Humans 260 human 260 male 209 female 207 Male 201 Female 199 adult 145 Adult 121 adolescent 101 Adolescent 100 psychology 91 young adult 82 Middle Aged 80 middle aged 80 Young Adult 78 child 72 Child 69 questionnaire 69 Surveys and Questionnaires 61 cross-sectional study 61 Cross-Sectional Studies 59 Article 55 major clinical study 54 controlled study 43 aged 42 Aged 41 Child, Preschool 38 preschool child 38 article 37