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Table 1 Description of the study population according to covariates and occupational factors in 2006 and incidence of mental disorders in 2010

From: Occupational factors and subsequent major depressive and generalized anxiety disorders in the prospective French national SIP study

  Men (N = 2389) Women (N = 2328)  
  n % %w n % %w p
Covariates in 2006        
Age (years)        ns
  <30 286 11.97 17.94 257 11.04 17.64  
  30-39 701 29.34 31.71 647 27.79 28.57  
  40-49 832 34.83 32.79 866 37.20 33.26  
  ≥50 570 23.86 17.56 558 23.97 20.53  
Occupation        ***
  Managers/professionals 401 16.80 16.66 318 13.67 11.86  
  Associate professionals/technicians 602 25.22 25.71 648 27.85 26.38  
  Clerks/service workers 327 13.70 17.30 1121 48.17 50.24  
  Manual workers 1057 44.28 40.13 240 10.31 11.53  
Living alone 528 22.10 20.30 678 29.12 23.70 *
Presence of child(ren) under 3 y 289 12.10 14.88 200 8.59 10.67 ***
Low social support outside work 626 26.20 26.43 739 31.74 29.81 *
Life events during childhood (one or more) 1077 45.08 45.80 1122 48.20 48.73 ns
Life events 2002–2006 (one or more) 207 8.67 8.49 252 10.83 10.76 *
Occupational factors in 2006
Psychosocial work factors
High psychological demands 998 41.77 41.80 840 36.08 35.66 ***
Low decision latitude 780 32.65 35.15 728 31.27 32.49 ns
Low social support 565 23.65 23.95 506 21.74 21.93 ns
Low reward 716 29.97 31.12 732 31.44 31.64 ns
Emotional demands 740 30.98 33.43 1084 46.56 46.45 ***
Role conflict 1084 45.37 46.86 1066 45.79 45.43 ns
Ethical conflict 857 35.87 35.92 654 28.09 27.86 ***
Tensions with the public 959 40.14 41.83 1080 46.39 46.75 **
Job insecurity 520 21.77 22.22 468 20.10 21.10 ns
Work-life imbalance 750 31.39 32.64 693 29.77 29.83 ns
Working time/hours        
Long working hours 1008 42.19 42.41 523 22.47 21.94 ***
Night work 595 24.91 25.77 230 9.88 10.44 ***
Shift work 414 17.33 17.96 322 14.26 15.35 *
Low predictability 794 33.24 34.19 526 22.59 23.66 ***
Physical work factors        
Biomechanical exposure 1040 45.53 42.89 718 30.84 32.38 ***
Physical exposure 1242 51.99 49.63 597 25.64 26.33 ***
Chemical exposure 1104 46.21 44.07 579 24.87 26.56 ***
Mental disorders in 2010        
MDD 61 2.55 2.53 114 4.90 4.75 ***
GAD 66 2.76 2.81 120 5.15 4.58 **
  1. %: raw frequency.
  2. %w: weighted frequency.
  3. p: Rao-Scott χ2 test p-value for the comparison between genders. ***p < 0.001, **p < 0.01, *p < 0.05.