Variables | n/N (%) | OR (95% CI) | P | Variables | n/N (%) | OR (95% CI) | P |
---|---|---|---|---|---|---|---|
Gestational age (Weeks) | Prenatal class attendance (Session) | ||||||
37 to 39 (Ref) | 173/465 (37.2) | 1 | Â | 1 or 2 | 33/81 (40.7) | 2.01 (0.96 to 4.20) | 0.061 |
40 and 41 | 123/335 (36.7) | 0.97 (0.73 to 1.31) | 0.888 | 3 or 4 | 18/44 (40.9) | 2.03 (0.87 to 4.70) | 0.098 |
 | 5 or 7 | 7/27 (25.9) | 1.02 (0.36 to 2.90) | 0.960 | |||
 | 8 (Ref) | 15/59 (25.4) | 1 |  | |||
Abortion history | Doing exercise during pregnancy | ||||||
No (Ref) | 255/681 (37.4) | 1 | Â | Yes (Ref) | 81/301 (26.9) | 1 | Â |
1 or above | 41/119 (34.4) | 0.87 (0.58 to 1.32) | 0.533 | No | 215/296 (72.6) | 2.05 (1.50 to 2.80) | < 0.001 |
Planned pregnancy | Kind of exercise | ||||||
Yes (Ref) | 186/531 (35.0) | 1 | Â | Walking (Ref) | 59/234 (25.2) | 1 | Â |
No | 110/269 (40.8) | 1.28 (0.94 to 1.73) | 0.105 | Pregnancy | 20/63 (31.7) | 1.38 (0.75 to 2.53) | 0.299 |
 | Other | 2/6 (33.3) | 1.48 (0.26 to 8.30) | 0.654 | |||
Wanted pregnancy | Exercise number during week | ||||||
Me and my husband (Ref) | 232/660 (35.1) | 1 | Â | 1 or 2 | 19/85 (22.3) | 0.65 (0.33 to 1.28) | 0.217 |
No | 45/105 (42.8) | 1.38 (0.91 to 2.10) | 0.128 | 3 or 4 | 23/89 (25.8) | 0.79 (0.41 to 1.51) | 0.481 |
Only me or my husband | 19/35 (54.2) | 2.19 (1.10 to 4.34) | 0.025 | 5 or 6 | 10/34 (29.4) | 0.94 (0.40 to 2.23) | 0.903 |
 | 7 (Ref) | 29/95 (30.5) | 1 |  | |||
Time of exercise (min) | Presence in prenatal classes | ||||||
5 to 10 | 16/52 (30.7) | 1.11 (0.48 to 2.53) | 0.803 | Yes (Ref) | 76/222 (34.2) | 1 | Â |
15 to 30 | 49/195 (25.1) | 0.83 (0.43 to 1.63) | 0.604 | No | 220/578 (38.0) | 1.18 (0.85 to 1.63) | 0.316 |
more than 30 (Ref) | 16/56 (28.5) | 1 |