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Table 2 Crude and adjusted odds ratios (OR) for infections, symptoms and absence from work due to sickness 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

During the pregnancy Other workers
(N = 46308)
Work with patients1
(N = 8699)
Work with children2
(N = 9151)
Work with food3
(N = 932)
Work with
animals4
(N = 287)
  N % N % ORc
(95% CI)
ORa
(95% CI)
N % ORc
(95% CI)
ORa
(95% CI)
N % ORc
(95% CI)
ORa
(95% CI)
N % ORc
(95% CI)
ORa
(95% CI)
Sickness for more leave than 3 days 9160 27.3 2347 38.7 1.68(1.58-1.78) 1.80(1.70-1.90) 2273 34.4 1.39(1.33-1.47) 1.47(1.38-1.56) 218 37.1 1.58(1.34-1.82) 1.43(1.20-1.66) 58 40.3 1.80(1.29-2.31) 1.10(0.80-1.40)
Episodes of sickness for more leave than 3 days                   
1-4 8808 26.3 2239 37.0 1.67(1.57-1.77) 1.79(1.68-1.90) 2165 32.8 1.38(1.30-1.46) 1.45(1.35-1.55) 207 35.3 1.55(1.30-1.85) 1.40(1.17-1.63) 58 40.3 1.86(1.34-2.38) 1.14(0.80-1.48)
5+ 301 0.9 96 1.6 2.09(1.66-2.52) 2.19(1.72-2.80) 95 1.4 1.77(1.40-2.24) 1.86(1.45-2.27) 11 1.9 2.41(1.31-3.51) 2.22(1.19-3.25) 0 - - -
Any infection with medication 7379 17.3 1510 18.8 1.10(1.04-1.16) 1.09(1.02-1.16) 1563 18.6 1.09(1.03-1.15) 1.05(0.98-1.12) 139 16.4 0.93(0.78-1.08) 0.92(0.76-1.08) 46 18.2 1.06(0.77-1.35) 1.04(0.74-1.44)
Fever 9412 22.2 1904 23.8 1.34(0.97-1.71) 1.05(0.99-1.11) 2086 24.9 1.47(1.06-1.88) 1.10(1.04-1.16) 164 19.3 1.56(1.12-2.00) 0.90(0.74-1.06) 44 17.5 1.12(0.78-1.46) 0.82(0.59-1.05)
Episodes of fever                   
1-2 5124 12.1 1006 12.6 1.04(0.96-1.12) 1.01(0.92-1.10) 1051 12.6 1.04(0.96-1.12) 0.99(0.91-1.07) 87 10.3 0.83(0.66-1.00) 0.85(0.68-1.05) 27 10.8 0.87(0.58-1.16) 0.91(0.60-1.22)
3+ 121 0.3 18 0.2 0.80(0.48-1.12) 1.02(0.94-1.10) 18 0.2 0.76(0.46-1.06) 0.99(0.91-1.07) 3 0.4 1.21(0.40-2.02) 0.85(0.68-1.02) 0 - - -
Diarrhoea 7140 16.8 1237 15.4 0.90(0.84-0.96) 0.90(0.86-0.94) 1362 16.2 0.96(0.90-1.02) 0.91(0.85-0.97) 124 14.6 0.85(0.70-1.00) 0.85(0.70-1.00) 41 16.2 0.95(0.68-1.22) 0.86(0.60-1.12)
Episodes of diarrhoea                   
1-4 2284 5.4 478 5.9 1.12(1.00-1.24) 1.13(0.99-1.27) 480 5.7 1.07(0.96-1.18) 1.09(0.97-1.21) 47 5.5 1.04(0.77-1.31) 0.88(0.65-1.11) 21 8.3 1.61(1.04-2.18) 1.00(0.61-1.39)
5+ 1214 2.8 243 3.0 1.07(0.93-1.21) 1.09(0.94-1.24) 247 2.9 1.03(0.87-1.19) 1.01(0.85-1.17) 31 3.6 1.29(0.90-1.68) 1.26(0.87-1.65) 10 4.0 1.45(0.77-2.13) 1.04(0.52-1.56)
Cold sore or herpes of lip 5184 12.2 1116 13.9 1.16(1.09-1.23) 1.19(1.10-1.28) 1069 12.7 1.05(0.98-1.12) 1.05(0.97-1.13) 116 13.6 1.14(0.93-1.35) 1.15(0.93-1.37) 32 12.6 1.05(0.72-1.38) 0.98(0.66-1.30)
Cold sore or herpes of genital 659 1.5 109 1.4 0.88(0.71-1.05) 0.84(0.63-1.05) 140 1.7 1.08(0.87-1.29) 1.05(0.82-1.28) 13 1.5 0.99(0.57-1.41) 1.33(0.74-1.92) 2 0.8 0.50(0.01-1.00) 0.82(0.20-1.44)
Cystitis 4555 10.7 977 12.2 1.16(1.08-1.24) 1.16(1.10-1.26) 903 10.8 1.01(0.92-1.10) 1.00(0.90-1.10) 85 10.0 0.92(0.73-1.11) 0.78(0.46-1.10) 23 9.1 0.83(0.54-1.12) 0.73(0.31-1.15)
Skin infection 293 0.7 56 0.7 1.01(0.67-1.35) 0.99(0.65-1.33) 85 1.0 1.47(1.15-1.79) 1.50(1.16-1.84) 6 0.7 1.02(0.45-1.59) 1.10(0.48-1.72) 1 0.4 0.60(0.08-1.12) 0.56(0.08-1.04)
  1. 1 chemist's assistants, physiotherapists, dental nurses, laboratory technicians, doctors, auxiliary nurses and nurses.
  2. 2 child-minders, specialist teachers, teachers of common school, upper secondary school teachers, care assistant, educationalists and educationalist assistants.
  3. 3Kitchen assistant, waitress and butcher
  4. 4Skiled farm worker, slaughter house worker
  5. ORc, crude Odds Ratio
  6. ORa, adjusted Odds Ratio for maternal age, parity, history of miscarriage, socio-occupational status, pre-pregnancy body mass index, smoking habit and alcohol consumption.