Fig. 3From: Association of derived patterns of musculoskeletal disorders with psychological problems: a latent class analysisMean and 95% confidence interval of anxiety (dashed line), depression (dotted line), and stress (solid line) scores across latent class-derived patterns of MSD. (Class 1, high rate of MSDs in neck, shoulder and joints; class 2: high rate of MSDs in upper and lower back; class 3, low rate of MSDs in all sites)Back to article page