Fig. 2

Relationship between the Need For Recovery (NFR) and occupational physical activity (OPA) and leisure time physical activity (LTPA) levels. Model I) crude, Model II) adjusted for age, BMI, and work ability (WA), and Model III) adjusted for age, BMI, work ability, the General Health Questionnaire (GHQ-12), and the Jenkins Sleep Scale. Values show beta coefficients. Cohen’s standards for beta (β) values above 0.10, 0.30, and 0.50 represent small, moderate, and large relationships, respectively