Fig. 2From: Association of derived patterns of musculoskeletal disorders with psychological problems: a latent class analysisProbability of membership in identified classes of MSDs as a function of psychological problems scores. Class 1, high rate of MSDs in neck, shoulder, and joints (dashed line). Class 2, high rate of MSDs in upper and lower back (dotted line). Class 3, low MSDs prevalence in all sites (solid line)Back to article page