Question | Response | Group | Unadjusted OR (95% CI) | Adjusted OR* (95% CI) | P-value | |||
---|---|---|---|---|---|---|---|---|
Cases | Controls | |||||||
Total | % | Total | % | |||||
During this pregnancy did your healthcare provider tell you about or ask you to keep track of your baby’s movement? | No | 79 | 54.9 | 161 | 41.6 | Reference | Reference | 0.008 |
Yes | 65 | 45.1 | 226 | 58.4 | 0.59 (0.4, 0.86) | 0.55 (0.36, 0.86) | ||
Did you keep track of your baby’s movement during this pregnancy? | No | 70 | 48.3 | 132 | 33.8 | Reference | Reference | 0.005 |
Yes | 75 | 51.7 | 259 | 66.2 | 0.55 (0.37, 0.8) | 0.54 (0.35, 0.83) | ||
How would you describe this baby’s usual movements? | Less than average movement | 14 | 9.59 | 24 | 6.17 | 1.56 (0.77, 3.18) | 2.21 (0.99, 4.98) | 0.054 |
Average movements | 73 | 50 | 195 | 50.1 | Reference | Reference | ||
Above average movements | 47 | 32.2 | 134 | 34.5 | 0.94 (0.61, 1.44) | 0.90 (0.56, 1.44) | ||
Constant movement | 12 | 8.22 | 36 | 9.25 | 0.89 (0.44, 1.80) | 0.98 (0.55, 2.11) | ||
Once you were aware of your baby’s usual pattern of movement, was there any time your baby’s movements were unusual? | No | 27 | 19.3 | 200 | 52.5 | Reference | Reference | <.0001 |
Yes, a little bit less | 35 | 25 | 96 | 25.2 | 2.7 (1.55, 4.72) | 2.82 (1.52, 5.24) | ||
Yes, significantly less | 56 | 40 | 32 | 8.4 | 12.9 (7.17, 23.4) | 14.13 (7.27, 27.45) | ||
Yes, a little bit more | 15 | 10.7 | 44 | 11.6 | 2.53 (1.24, 5.14) | 2.61 (1.20, 5.66) | ||
Yes, significantly more | 7 | 5 | 9 | 2.36 | 5.76 (1.98, 16.7) | 5.60 (1.69, 18.49) | ||
During the last two weeks of this pregnancy, did the STRENGTH of your baby’s movements | Stay the same | 66 | 46.5 | 180 | 49.2 | Reference | Reference | <.0001 |
Decrease | 58 | 40.9 | 56 | 15.3 | 2.83 (1.78, 4.49) | 2.53 (1.51, 4.23) | ||
Increase | 18 | 12.7 | 130 | 35.5 | 0.38 (0.21, 0.67) | 0.42 (0.23, 0.78) | ||
During the last two weeks of this pregnancy, did the FREQUENCY of your baby’s movements.... | Stay the same | 65 | 44.8 | 223 | 59.6 | Reference | Reference | <.0001 |
Decrease | 73 | 50.3 | 76 | 20.3 | 3.29 (2.16, 5.03) | 2.97 (1.86, 4.72) | ||
Increase | 7 | 4.83 | 75 | 20.1 | 0.32 (0.14, 0.73) | 0.36 (0.15, 0.85) | ||
Did you usually feel your baby move at bedtime during this pregnancy? | No | 5 | 3.42 | 16 | 4.15 | Reference | Reference | 0.58 |
Yes | 141 | 96.6 | 370 | 95.9 | 1.22 (0.44, 3.39) | 1.37 (0.45, 4.23) | ||
Did you feel your baby move at bedtime on the last night of this pregnancy? | No | 49 | 39.8 | 23 | 6.67 | Reference | Reference | <.0001 |
Yes | 74 | 60.2 | 322 | 93.3 | 0.11 (0.06, 0.19) | 0.11 (0.06, 0.21) | ||
During the last two weeks of this pregnancy, did you notice any time that your baby was more vigorous than usual)? | No | 59 | 42.8 | 143 | 40.2 | Reference | Reference | <.0001 |
Yes, once. | 42 | 30.4 | 24 | 6.74 | 4.24 (2.36, 7.62) | 4.30 (2.25, 8.24) | ||
Yes, sometimes. | 30 | 21.7 | 158 | 44.4 | 0.46 (0.28, 0.75) | 0.44 (0.25, 0.75) | ||
Yes, often. | 7 | 5.07 | 31 | 8.71 | 0.55 (0.23, 1.31) | 0.71 (0.28, 1.81) | ||
Did you experience your baby having hiccup like movements? | No | 28 | 20 | 69 | 18.1 | Reference | Reference | 0.09 |
Yes | 112 | 80 | 313 | 81.9 | 0.88 (0.54, 1.43) | 0.61 (0.34, 1.08) | ||
If you noticed your baby having hiccup like movements, how long would each episode last on average? | Less than 5 min | 44 | 40.7 | 160 | 52.5 | Reference | Reference | 0.17 |
5 or more than 5 min | 64 | 59.3 | 145 | 47.5 | 1.60 (1.02, 2.50) | 1.42 (0.86, 2.36) | ||
If your baby experienced hiccup like movements, how often did you notice them? | Once or twice throughout this pregnancy | 12 | 11.2 | 59 | 19.3 | Reference | Reference | 0.08 |
Weekly | 33 | 30.8 | 113 | 37.1 | 1.43 (0.69, 2.98) | 1.05 (0.48, 2.31) | ||
Daily | 62 | 57.9 | 133 | 43.6 | 2.29 (1.15, 4.56) | 1.83 (0.87, 3.88) |