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Table 3 Crude and adjusted odds ratios (OR) for reproductive failures according to occupation.

From: Risk of infection and adverse outcomes among pregnant working women in selected occupational groups: A study in the Danish National Birth Cohort

  Other workers
(N = 46308)
Work with patients1
(N = 8699)
Work with children2
(N = 9151)
Work with food3
(N = 932)
Work with animals4
(N = 287)
Total exposed
(N = 19069)
  N % N % ORc
(IC 95%)
ORa
(IC 95%)
N % ORc
(IC 95%)
ORa
(IC 95%)
N % ORc
(IC 95%)
ORa
(IC 95%)
N % ORc
(IC 95%)
ORa
(IC 95%)
N % ORc
(IC 95%)
ORa
(IC 95%)
Miscarriage 427 0.9 86 1.0 1.07(0.85-1.29) 1.25(0.79-1.71) 87 1.0 1.03(0.81-1.15) 0.93(0.57-1.25) 11 1.2 1.28(0.70-1.86) 1.15(0.36-1.94) 1 0.3 0.37(0.01-1.00) - 185 1.0 1.05(0.90-1.20) 1.04(0.74-1.34)
ŧMultiple births 1050 2.3 210 2.5 1.07(0.92-1.22) 1.07(0.92-1.22) 170 1.9 0.82(0.69-0.95) 0.82(0.69-0.95) 16 1.7 0.75(0.46-1.04) 0.76(0.45-1.07) 2 0.7 0.30(0.08-1.20) 0.30(0.07-1.20) 398 2.1 0.92(0.82-1.02) 0.92(0.81-1.03)
Male infant 22740 51.2 4298 51.5 1.01(0.97-1.05) 1.01(0.97-1.05) 4517 51.2 1.00(0.96-1.04) 1.01(0.95-1.07) 441 49.1 0.92(0.81-1.03) 0.92(0.80-1.04) 142 50.4 0.97(0.77-1.17) 1.02(0.80-1.20) 9398 51.3 1.01(0.97-1.05) 1.01(0.97-1.05)
Preterm birth 2297 5.2 420 5.0 0.97(0.87-1.07) 1.00(0.90-1.10) 446 5.1 0.98(0.88-1.08) 0.99(0.89-1.09) 55 6.1 1.20(0.91-1.49) 1.11(0.83-1.39) 15 5.3 1.02(0.60-1.40) 0.98(0.58-1.38) 936 5.1 0.99(0.91-1.07) 1.01(0.92-1.09)
Very preterm birth 292 0.7 37 0.4 0.70(0.48-0.92) 0.54(0.01-1.07) 60 0.7 1.03(0.78-1.18) 0.94(0.45-1.33) 8 0.9 1.36(0.67-2.05) 0.90(0.12-1.68) 3 1.1 1.62(0.51-2.73) 1.23(0.39-2.07) 108 0.6 0.90(0.72-1.08) 0.99(0.78-1.10)
Small-for-gestational age 4231 9.6 769 9.8 0.96(0.89-1.03) 1.01(0.93-1.09) 787 9.0 0.93(0.86-1.00) 1.02(0.93-1.11) 110 12.3 1.32(1.09-1.55) 1.33(1.07-1.59) 24 8.5 0.88(0.58-1.18) 0.84(0.55-1.13) 1690 9.3 0.97(0.91-1.03) 1.03(0.97-1.09)
Apgar <7 at 5 min 632 1.4 109 1.3 0.92(0.75-1.09) 0.94(0.76-1.12) 117 1.3 0.93(0.77-1.09) 0.97(0.80-1.14) 10 1.1 0.78(0.42-1.14) 0.70(0.36-1.04) 3 1.1 0.76(0.24-1.28) 0.73(0.23-1.23) 239 1.2 0.92(0.80-1.04) 0.94(0.80-1.08)
ŧAll congenital anomalies 2262 4.9 455 5.2 1.08(0.97-1.19) 1.09(1.00-1.18) 427 4.7 0.95(0.86-1.04) 0.98(0.88-1.08) 47 5.0 1.04(0.77-1.31) 1.08(0.80-1.36) 11 3.8 0.77(0.42-1.12) 0.65(0.30-1.00) 940 4.9 1.01(0.94-1.08) 1.03(0.95-1.11)
ŧAll congenital anomalies 2158 4.8 437 5.2 1.08(0.99-1.17) 1.10(1.00-1.20) 417 4.7 0.97(0.87-1.07) 1.00(0.89-1.11) 45 5.0 1.03(0.76-1.30) 1.08(0.79-1.37) 11 3.8 0.79(0.43-1.15) 0.68(0.35-1.01) 910 5.0 1.03(0.95-1.11) 1.04(0.96-1.12)
¶"Major" congenital anomalies 1839 4.1 374 4.5 1.09(0.97-1.21) 1.11(1.00-1.22) 337 3.8 0.92(0.82-1.02) 0.95(0.84-1.06) 37 4.1 1.00(0.71-1.29) 1.04(0.74-1.34) 11 3.8 0.94(0.51-1.37) 0.79(0.40-1.18) 759 4.1 1.01(0.92-1.10) 1.03(0.94-1.12)
¶Multiple major congenital anomalies 455 1.0 89 1.0 1.04(0.83-1.25) 1.09(0.85-1.33) 81 0.9 0.90(0.71-1.09) 1.00(0.77-1.23) 11 1.2 1.20(0.66-1.74) 1.28(0.70-1.86) 4 1.4 1.42(0.60-2.24) 1.34(0.49-2.19) 185 1.0 0.99(0.83-1.15) 1.06(0.90-1.22)
  1. 1Chemist's assistants, physiotherapists, dental nurses, laboratory technicians, doctors, auxiliary nurses and nurses.
  2. 2Child-minders, specialist teachers, teachers of common school, upper secondary school teachers, care assistant, educationalists and educationalist assistants.
  3. 3Kitchen assistant and butcher
  4. 4Skiled farm worker, slaughter house worker
  5. ¥Adjusted for maternal age, parity, history of miscarriage, socio-occupational status, pre-pregnancy body mass index, smoking habit and alcohol consumption (as well as for sex of child for preterm and very preterm birth).
  6. ŧAmong live births.
  7. Among singletons.
  8. ¶EUROCAT Classification.