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Table 4 Comparison of knowledge of risk factors for APOs before and after the intervention

From: A cohort study of a tailored web intervention for preconception care

  Participants giving a correct answer at follow up among those who completed the survey n = 282 (%) Difference, % 95% CI P
General preconception behaviours 258 (91.5) 20.9 <0.001
   (14.6; 27.1)  
Folic acid supplementation 275 (97.5) 1.7 0.24
   (−1.3; 5.1)  
Timing of preconception counselling 200 (70.9) −7.4 0.04
   (−14.5; 0.3)  
Inheritability of malformations and genetic diseases 128 (45.4) −37.2 <0.001
   (−44.2; 29.6)  
Age at risk for Down syndrome 267 (94.7) 1.4 0.48
   (−2.6; 5.5)  
Maintaining a normal weight to prevent adverse pregnancy outcomes 275 (97.5) −0.3 0.78
   (−3.1; 2.4)  
Overweight and obesity 33 (11.7) −1.4 0.61
   (−6.9; 4.1)  
Underlying maternal diseases 42 (14.9) −4.6 0.15
   (−10.8; 1.6)  
Smoking 274 (97.2) −0.7 0.59
   (−3.6; 2.1)  
Medications 34 (12.1) 0 1,00
Drinking alcohol 173 (61.3) 3.2 0.44
   (−4.9; 11.2)  
Need of testing susceptibility to infectious diseases 251 (89.0) 3.2 0.25
   (−2.3; 8.7)  
Immunization before pregnancy 128 (46.0) −6.74 0.11
   (−14.85; 1.5)