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Table 2 Bernoulli generalized linear model with « at least one sick leave» (SL) as dependent variable according to 1st and 2nd trimester

From: Exposure to occupational hazards for pregnancy and sick leave in pregnant workers: a cross-sectional study

  1st trimester 2nd trimester 3rd trimester
with & without PR (N = 1257) strate without PR (N = 939)a strate with PR (N = 306)a strate without PR (N = 939)a strate with PR (N = 306)a
RRab 95% CI p RRac 95% CI p RRad 95% CI p RRah 95% CI p RRai 95% CI p
Number of occupational riskse
 No risk Ref   <0.001 Ref   <0.001 Ref   <0.001 Ref   <0.001 Ref   0.25
 1 or 2 risks 1.10 0.78 - 1.54   1.96 1.44 - 2.66   1.16 0.89 - 1.52   1.32 1.12 - 1.54   1.12 0.95 - 1.32  
 3 or 4 risks 1.50 1.06 - 2.12   2.05 1.48 - 2.86   1.41 1.09 - 1.82   1.55 1.32 - 1.82   1.15 0.98 - 1.35  
  ≥ 5 risks 1.84 1.40 - 2.50   2.46 1.81 - 3.34   1.67 1.34 - 2.08   1.57 1.35 - 1.83   1.16 1.00 - 1.34  
Work-family conflictf
 No risk Ref   0.57 Ref   <0.001 Ref   0.07 Ref   0.36 Ref   0.50
 1 risks 0.93 0.68 - 1.27   1.27 0.98 - 1.61   1.13 0.89 - 1.44   1.11 0.97 - 1.26   1.07 0.92 - 1.24  
 2 risks 1.00 0.73 - 1.38   1.40 1.07 - 1.81   1.29 1.02 - 1.64   1.09 0.95 - 1.25   1.09 0.94 - 1.27  
  ≥ 3 risks 1.17 0.81 - 1.67   1.69 1.29 - 2.22   1.14 0.87 - 1.50   1.03 0.87 - 1.22   1.12 0.96 - 1.31  
Deprivation (EPICES score ≥ 30)
 No Ref   0.02 Ref   0.98 Ref   0.17 Ref   0.56 Ref   0.64
 Yes 1.28 1.04 - 1.60   1.00 0.82 - 1.22   1.09 0.96 - 1.23   0.97 0.87 - 1.08   1.02 0.93 - 1.13  
Home-work commuting felt as difficult
 No Ref   0.27 Ref   0.16 Ref   0.78 Ref   <0.001 Ref   0.63
 Yes 1.13 0.99 - 1.60   1.13 0.94 - 1.35   1.01 0.89 - 1.17   1.25 1.14 - 1.37   0.97 0.87 - 1.08  
Age group (years)
  < 25 1.01 0.71 - 1.43 0.65 1.52 1.24 - 1.85 <0.001 1.00 0.81 - 1.25 0.55 1.34 1.17 - 1.54 <0.001 0.89 0.70 - 1.13 0.30
 25- < 30 0.94 0.74 - 1.20   1.04 0.87 - 1.24   1.01 0.87 - 1.18   1.14 1.04 - 1.26   1.04 0.93 - 1.16  
 30- < 35 Ref    Ref    Ref    Ref    Ref   
  ≥ 35 0.83 0.61 - 1.23   0.97 0.73 - 1.28   0.87 0.71 - 1.07   1.02 0.88 - 1.17   0.94 0.82 - 1.08  
Occupational group
 Managers/supervisors Ref   0.34 Ref   0.001 Ref   0.33 Ref   0.006 Ref   0.97
 Intermediate occupations 1.11 0.70 - 1.74   1.80 1.19 - 2.70   1.36 0.90 - 1.96   1.30 1.04 - 1.60   1.00 0.81 - 1.25  
 Employees 1.16 0.75 - 1.79   1.43 0.96 - 2.16g   1.31 0.87 - 1.96g   1.16 0.93 - 1.44g   1.02 0.85 - 1.22g  
 Manual workers 1.54 0.89 - 2.65      - -        
Company size (workers)
  < 10 0.76 0.52 - 1.13 0.55 0.85 0.69 - 1.06 0.38 0.88 0.72 - 1.08 0.55 0.79 0.69 - 0.90 <0.001 0.89 0.78 - 1.02 0.40
 10 - 49 0.82 0.58 - 1.15   0.84 0.67 - 1.04   0.95 0.82 - 1.11   0.82 0.74 - 0.91   0.95 0.84 - 1.07  
 50 - 199 0.82 0.58 - 1.17   0.86 0.68 - 1.09   0.91 0.77 - 1.08   0.87 0.80 - 0.96   0.94 0.82 - 1.07  
  ≥ 200 Ref    Ref    Ref    Ref    Ref   
Type of contract
 Non-fixed term Ref   0.20 Ref   0.008 Ref   0.56 Ref   0.007 Ref   0.57
 Fixed-term 1.51 0.80 - 2.85   2.06 1.21 - 3.51   1.10 0.80 - 1.50   1.47 1.11 - 1.94   1.10 0.79 - 1.51  
Pregnancy at risk
 No Ref - <0.001             
 Yes 2.12 1.72 - 2.63              
Assisted reproductive therapy
 No Ref - 0.001             
 Yes 1.54 1.19 - 2.00              
  1. RRa ajusted relative risk, 95% CI 95% confidence intervals, p p-value, PR pregnancy at risk, Ref reference
  2. aPositive interaction between variable pregnancy at risk and variable number of occupational risks at 2nd trimester and at 3rd trimester: presentation according to strate with pregnancy at risk and without pregnancy at risk
  3. bAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks), deprivation EPICES score ≥ 30 (yes/no), pregnancy at risk (yes/no), assisted reproductive therapy (yes/no)
  4. cAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks), number of home-work conflicts (0, 1, 2, >2 risks), age group (<25, 25- <30, 30- < 35, ≥ 35 years), occupational group (managers/supervisors, intermediate occupations, employees + manual workers), type of contract (non-fixed term, fixed-term)
  5. dAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks)
  6. eAmong 17 selected occupational risks in this study
  7. fAmong preschool-age children at home (yes/no), home-work commuting > 50 min/d (yes/no), duration of working hours >8 h/d (yes/no), irregular working hours (yes/no), and absent of two consecutive rest days in a week (yes/no)
  8. gGrouping manual workers and employees because of small number of manual workers
  9. hAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks), home-work commuting felt as difficult (yes/no), age group (<25, 25- <30, 30- < 35, ≥ 35 years), occupational group (managers/supervisors, intermediate occupations, employees + manual workers), company size (<10, 10–49, 50–199, ≥ 200 workers), type of contract (non-fixed term, fixed-term)
  10. iAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks), number of home-work conflicts (0, 1, 2, >2 risks)