Table 2.
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 |
RRa ajusted relative risk, 95% CI 95% confidence intervals, p p-value, PR pregnancy at risk, Ref reference
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
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)
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)
dAjusted for: number of occupational risks (0, 1 or 2, 3 or 4, ≥5 risks)
eAmong 17 selected occupational risks in this study
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)
gGrouping manual workers and employees because of small number of manual workers
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)
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)