Fig. 3From: Relationship between occupational and leisure-time physical activity and the need for recovery after workRelationship between the occupational physical activity (OPA) level and leisure time physical activity (LTPA) level (hours/day) and the Need For Recovery (NFR) (%). The curves were derived from a 3-knot restricted cubic splines regression models. The models were adjusted for age, BMI, and work ability. The 95% confidence intervals are represented as gray areasBack to article page