adult human 308 female 287 male 276 Humans 251 Female 213 Male 199 Adult 189 Article 182 middle aged 178 controlled study 162 Middle Aged 155 major clinical study 130 aged 123 Aged 91 young adult 77 body mass 73 Young Adult 72 Severity of Illness Index 71 severity of illness index 71 adolescent 60 cross-sectional study 60 risk factor 56 Adolescent 54 Body Mass Index 52 disease severity 51 questionnaire 49 Cross-Sectional Studies 48 psychology 44 clinical article 42