“…Twenty studies were cross‐sectional in design, 20,22–25,28–38,41–44 and six studies were cohort studies 14,21,26,27,39,40 . Twenty‐five studies included community‐dwelling older adults, 14,20–35,37–44 and one study was conducted in hospitalized older adults 36 . Obesity was defined by body mass index (BMI) in five studies, 24,25,29,34,37 by body fat percentage in 17 studies, 14,20,22,23,26,28,30,31,33,35,36,38–43 and by waist circumference in four studies 21,27,32,44 .…”