“…9,13,14,19,25,26,29,31,34,37,39,40,43 All three cohort studies reported significant results for men. 9,21,33 Considering the consistent results across all Fifteen studies examined the relationship between occupational physical loading tasks and knee OA in women, including two cohort studies, 9,21 nine case control studies, 13,14,25,26,29,30,32,40,44 and four cross-sectional studies. 19,39,41,42 Nine studies showed a significantly positive association between an occupational exposure and knee OA in women (OR ¼ 1.4-7.3).…”