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Table 3 The association between nutritional status and nutrient supplementation and adverse pregnancy outcomes

From: High starchy food intake may increase the risk of adverse pregnancy outcomes: a nested case-control study in the Shaanxi province of Northwestern China

 

Total

Overall adverse pregnancy outcomes

N (%)

N (%)

OR(95%CI)

OR(95%CI)a

Pre-pregnancy BMI

 emaciation

44 (14.9)

6 (13.6)

0.735 (0.289,1.873)

0.699 (0.247,1.982)

 normal

198 (66.2)

35 (17.7)

1.000

1.000

 overweight or obesity

57 (19.01)

22 (38.6)

2.927 (1.534,5.587)*

2.412 (1.143,5.089)*

Nutrient supplement before pregnancy

 short term and small dose

205 (69.0)

43 (21.0)

1.150 (0.314, 4.219)

0.815 (0.173,3.836)

 short term but large dose

12 (4.0)

2 (16.7)

0.867 (0.121, 6.215)

1.402 (0.160,12.25)

 long term but small dose

64 (21.6)

14 (21.9)

1.213 (0.303, 4.863)

1.049 (0.206,5.351)

 long term and large dose

16 (5.4)

3 (18.8)

1.000

1.000

Nutrient supplement of first trimester

 short term and small dose

57 (19.4)

18 (31.6)

2.885 (1.262,6.593)*

2.557 (0.810,8.068)

 short term but large dose

37 (12.6)

6 (16.2)

1.210 (0.417, 3.511)

1.496 (0.480,4.664)

 long term but small dose

113 (38.5)

25 (22.1)

1.776 (0.835, 3.774)

2.009 (0.672,6.006)

 long term and large dose

87 (29.6)

12 (13.8)

1.000

1.000

Types of nutrients

 pure folic acid

164 (56.3)

40 (24.4)

1.618 (0.904, 2.933)

1.092 (0.417,2.863)

 multivitamin with folic acid

127 (43.7)

21 (16.5)

1.000

1.000

  1. a Multivariate analysis and adjustment of age and residence, economic situation, smoking and alcohol intake
  2. * p < 0.05