Table 4

Results of the multivariate analysis of the predictors in relation to OTC-medication use during pregnancy
Predictor B (regression coefficient) Significance OR (95%CI)*
Prescription drugs† 0.418 0.101 1.52 (0.92-2.50)
Nulliparity‡ 0.472 0.009 1.60 (1.12-2.29)
Comorbidity± 0.887 0.000 2.43 (1.53-3.87)
Body Mass Index (kg/m2) ≠ 0.483 0.022 1.62 (1.07-2.46)
1 General Practitioner visit T 0.224 0.321 1.25 (0.80-1.95)
2 General Practitioner visits T 0.507 0.063 1.66 (0.97-2.83)
≥3 General Practitioner visits T 0.684 0.028 1.98 (1.07-3.65)

*Odds Ratio and the 95% confidential intervals.

† No use of prescription drugs is the reference category.

‡ Never been pregnant (nulliparity) is the reference category.

± No comorbidities is the reference category.

≠A BMI of <26 >30 kg/m2 is the reference category.

T No extra visits to the GP is the reference category.

Verstappen et al.

Verstappen et al. BMC Public Health 2013 13:185   doi:10.1186/1471-2458-13-185

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