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Table 2 Descriptive statistics of psychosocial scales and factor loadings for three dimensions of psychosocial scales.

From: Emotional support predicts more sickness absence and poorer self assessed work ability: a two-year prospective cohort study

  Descriptive statistics Factor loadingsb
  α n Mean SD I II III
% variance explained      19.4 13.2 31.6
Psychosocial scales,
No. of items (score range)
       
I Work environment        
   Job strain . 324 0.70 0.17 0.69 . .
Psychological demandsa, 5 (5-20) 0.69 327 13.11 2.51 . . .
Decision latitudea, 6 (6-24) 0.63 338 18.96 2.58 . . .
   Social support at work, 6 (6-24) 0.82 319 18.16 2.06 - 0.64 . .
   Overcommitment, 6 (6-24) 0.83 330 13.17 4.26 0.76 . .
II Emotional support        
   Emotional support, 6 (0-6) 0.79 338 5.52 1.13 . 0.94 .
III Psychological resources        
   1. Sense of coherence, 13 (13-91) 0.80 338 69.00 9.28 . . 0.78
   2. Mastery, 7 (7-28) 0.75 331 23.33 3.05 . . 0.83
   3. Self-esteem, 10 (10-40) 0.87 329 32.96 4.60 . . 0.84
   4. Perceived control, 11 (11-66) 0.68 312 53.00 7.05 . . 0.64
  1. Note: α = Cronbach's α; SD = standard deviation.
  2. aThe derived subscales of job strain (psychological demands and decision latitude) are described statistically but were not included in the factor analysis.
  3. bFactor loadings < 0.5 are not reported.