Controls

Preterm delivery

SGA

LTPA (times/week)

n

%

n

%

Adjusted ORs°

[95% CI]

n

%

Adjusted ORs*

[95% CI]

No

604

71

244

82

1.00 [Reference]

261

73

1.00 [Reference]

1, 2 times/week

83

10

16

5

0.50 [0.27 - 0.90]

32

9

0.96 [0.61 - 1.51]

≥3 times/week

166

19

38

13

0.59 [0.39 - 0.88]

65

18

0.82 [0.59 - 1.16]

Walking (times/week]

No

678

72

261

88

1.00 [Reference]

299

83

1.00 [Reference]

1, 2 times/week

43

5

14

5

0.85 [0.44 - 1.67]

12

3

0.65 [0.33 - 1.26]

≥3 times/week

132

15

23

8

0.44 [0.27 - 0.71]

47

13

0.74 [0.51 - 1.07]