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Table 2 Risk factors for alcohol intake peri-conceptionally

From: Prevalence, predictors and perinatal outcomes of peri-conceptional alcohol exposure - retrospective cohort study in an urban obstetric population in Ireland

Alcohol intakei Low (0 - 5 units) Odds Ratio (95% CI) Moderate (6 - 20 units) Odds Ratio (95% CI) High (>20 units) Odds Ratio (95% CI)
Maternal age <25 years 0.73 (0.70-0.77) 0.88 (0.81-0.94) 2.70 (1.86-3.91)
Single marital status 1.35 (1.29-1.42) 1.98 (1.85-2.11) 11.80 (7.28-19.2)
In employment 3.21 (3.07-3.35) 4.47 (4.17-4.80) 1.69 (1.16-2.47)
Irish Nationality 8.91 (8.50-9.34) 16.5 (14.9-18.3) 13.40 (7.01-25.8)
Private Health Insurance 3.47 (3.26-3.70) 5.83 (5.38-6.31) 0.33 (0.12-0.90)
Nulliparous 1.46 (1.40-1.52) 3.30 (3.10-3.52) 4.59 (3.09-6.82)
Unplanned pregnancy 0.91 (0.87-0.95) 1.14 (1.07-1.22) 5.51 (3.57-8.51)
Late booking (>20 weeks) 0.38 (0.36-0.40) 0.28 (0.25-0.31) 0.40 (0.21-0.72)
Smoked during pregnancy 1.33 (1.26-1.40) 1.86 (1.73-2.01) 10.9 (7.25-16.4)
Illicit drug use (ever) 0.48 (0.40-0.58) 0.59 (0.43-0.80) 6.46 (3.32-12.6)
  1. i Reference category for all comparisons - alcohol intake response "Never"