Table 3.
Associations with sick leave during pregnancy, presented as crude odds ratios (OR) and adjusted OR (aOR) with the 95% confidence interval (CI).
| Independent variables | Sick leave during pregnancy | ||||
| Yes versus no | In any two or all three trimesters versus any one trimester only | ||||
| Total, n | OR (95% CI) | aOR (95% CI) | OR (95% CI) | aOR (95% CI) | |
| Chronic disorders | |||||
| Mood disorders* No Yes, non-medicated Yes, medicated |
6446 199 41 |
Reference 1.82 (1.36 to 2.43) 4.11 (1.89 to 8.90) |
Reference 2.05 (1.50 to 2.77) 3.14 (1.43 to 6.88) |
Reference 1.69 (1.17 to 2.43) 2.28 (1.12 to 4.65) |
Reference 1.77 (1.21 to 2.58) 2.27 (1.06 to 4.85) |
| Asthma No Yes, non-medicated Yes, medicated |
6369 96 221 |
Reference 2.33 (1.51 to 3.60) 1.40 (1.07 to 1.82) |
Reference 2.22 (1.41 to 3.47) 1.32 (1.00 to 1.75) |
Reference 1.35 (0.82 to 2.21) 1.66 (1.14 to 2.39) |
Reference 1.74 (1.19 to 2.55) 1.33 (0.80 to 2.23) |
| Allergy No Yes, non-medicated Yes, medicated |
6098 339 249 |
Reference 1.55 (1.25 to 1.93) 1.62 (1.26 to 2.10) |
Reference 1.51 (1.20 to 1.90) 1.49 (1.14 to 1.94) |
Reference 1.28 (0.95 to 1.72) 1.51 (1.09 to 2.09) |
Reference 1.38 (1.01 to 1.88) 1.50 (1.07 to 2.10) |
| Hypothyroidism No Yes, non-medicated Yes, medicated |
6426 17 243 |
Reference 1.81 (0.63 to 1.94) 1.50 (1.16 to 1.92) |
Reference 2.68 (0.93 to 7.73) 1.41 (1.08 to 1.84) |
Reference 0.74 (0.20 to 2.82) 1.11 (0.78 to 1.59) |
Reference 0.87 (0.22 to 3.48) 1.25 (0.86 to 1.82) |
| Acute illnesses | |||||
| Nausea and vomiting No Yes, non-medicated Yes, medicated |
1836 4060 790 |
Reference 1.27 (1.14 to 1.42) 2.29 (1.92 to 2.72) |
Reference 2.49 (1.58 to 3.93) 4.52 (2.01 to 7.27) |
Reference 1.26 (1.05 to 1.51) 2.30 (1.81 to 2.94) |
Reference 1.95 (0.79 to 4.81) 3.69 (1.49 to 9.13) |
| Pain†
No pain, non-medicated Pain, medicated |
852 2076 3.758 |
Reference 1.63 (1.39 to 1.91) 2.09 (1.80 to 2.43) |
Reference 1.07 (0.85 to 1.36) 1.38 (1.11 to 1.71) |
Reference 1.42 (1.05 to 1.92) 1.96 (1.46 to 2.62) |
Reference 1.03 (0.66 to 1.60) 1.38 (0.91 to 2.10) |
| Sleeping problems (SP) No SP, non-medicated SP, medicated |
2938 3643 105 |
Reference 1.51 (1.38 to 1.67) 2.61 (1.79 to 3.93) |
Reference 3.09 (1.91 to 5.00) 5.42 (2.88 to 10.22) |
Reference 1.25 (1.07 to 1.46) 1.91 (1.82 to 3.08) |
Reference 4.07 (1.19 to 13.92) 5.71 (1.53 to 21.34) |
Missing data <5%, as presented in table 1.
*Depression and/or anxiety.
†Pain in the neck, back or pelvic girdle or headache.