Table 2.
Participants in the Bogalusa Babies and BiCEPS studies, 2011–2016, n=761
| overall | Total <10 | Total≥10 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | p for difference | ||||||||||
| race | ||||||||||||||||
| black | 280 | 36.8 | 50 | 47.6 | 410 | 66.9 | <0.01 | |||||||||
| white | 480 | 63.2 | 55 | 52.4 | 203 | 33.1 | ||||||||||
| menopausal status at interview | ||||||||||||||||
| post-menopausal | 440 | 58.1 | 64 | 61.0 | 352 | 57.7 | ||||||||||
| pre-menopausal | 317 | 41.9 | 41 | 39.1 | 258 | 42.3 | ||||||||||
| Age at menopause (post- menopausal only) | ||||||||||||||||
| <45 | 179 | 40.0 | 21 | 32.3 | 149 | 41.9 | ||||||||||
| 45–<50 | 111 | 24.8 | 20 | 30.8 | 82 | 23.0 | ||||||||||
| 50–<55 | 98 | 21.9 | 14 | 21.5 | 79 | 22.2 | ||||||||||
| 55+ | 59 | 13.2 | 10 | 17.9 | 46 | 12.9 | ||||||||||
| total parity | ||||||||||||||||
| 0 | 101 | 13.4 | 19 | 18.3 | 77 | 12.7 | 0.27 | |||||||||
| 1 | 131 | 17.4 | 14 | 13.5 | 110 | 18.1 | ||||||||||
| 2 | 297 | 39.5 | 37 | 35.6 | 245 | 40.4 | ||||||||||
| 3 | 151 | 20.1 | 20 | 19.2 | 118 | 19.4 | ||||||||||
| 4+ | 72 | 9.6 | 14 | 13.5 | 57 | 9.4 | ||||||||||
| education | ||||||||||||||||
| <12 years | 66 | 8.7 | 17 | 16.2 | 43 | 7.0 | <0.01 | |||||||||
| 12 | 248 | 62.6 | 44 | 41.9 | 185 | 30.2 | ||||||||||
| some college/AA | 250 | 32.9 | 29 | 27.6 | 211 | 34.4 | ||||||||||
| college degree or higher | 196 | 25.8 | 15 | 14.3 | 174 | 28.4 | ||||||||||
| ever smoked | 285 | 37.5 | 47 | 44.8 | 215 | 35.1 | 0.06 | |||||||||
| ever smoked in pregnancy | 147 | 19.3 | 26 | 24.8 | 107 | 17.4 | 0.07 | |||||||||
| any type of fertility difficulties | 136 | 17.9 | 12 | 11.4 | 115 | 18.7 | 0.07 | |||||||||
| birth <16 years | 45 | 6.9 | 5 | 5.8 | 36 | 6.8 | 0.75 | |||||||||
| birth <18 years | 146 | 22.3 | 22 | 25.6 | 115 | 21.6 | 0.41 | |||||||||
| any history of low birthweight | 119 | 18.2 | 21 | 24.7 | 89 | 16.7 | 0.07 | |||||||||
| any history of preterm birth | 98 | 14.9 | 10 | 11.6 | 80 | 14.9 | 0.42 | |||||||||
| any history of gestational diabetes | 66 | 10.0 | 10 | 11.6 | 53 | 9.9 | 0.62 | |||||||||
| any history of hypertensive disorders | 139 | 21.1 | 17 | 19.8 | 114 | 21.3 | 0.75 | |||||||||
| any miscarriage | 160 | 21.0 | 22 | 21.0 | 132 | 21.5 | 0.9 | |||||||||
| mean | median | SD | min | max | mean | median | SD | min | max | mean | median | SD | min | max | p | |
| age at interview | 47.7 | 48.4 | 5.2 | 32.5 | 57.8 | 48.8 | 49.0 | 4.9 | 35.9 | 56.7 | 47.5 | 48.0 | 5.3 | 32.5 | 56.7 | 0.03 |
| age at 1st pregnancy | 22. | 21.0 | 5.3 | 14.0 | 45.0 | 21.4 | 20.0 | 5.6 | 14.0 | 45.0 | 22.3 | 21.0 | 5.2 | 14.0 | 45.0 | 0.13 |
| age at last pregnancy | 28.3 | 28.0 | 5.9 | 15.0 | 47.0 | 28.1 | 27.0 | 5.7 | 17.0 | 45.0 | 28.4 | 28.0 | 5.9 | 15.0 | 45.0 | 0.63 |
| BMI at last visit | 32. | 31.1 | 8.3 | 17. | 67. | 36. | 33.4 | 10. | 19. | 62. | 31. | 30.3 | 7.6 | 17.9 | 62. | <0. |
| pre-pregnancy BMI | 022.5 | 21.2 | 5.1 | 915.0 | 744.7 | 023.7 | 21.9 | 55.7 | 715.9 | 542.1 | 222.3 | 21.1 | 4.9 | 15.0 | 542. | 010.04 |
| average pregnancy weight gain (lbs) | 30.9 | 28.3 | 15.3 | 0.0 | 85.0 | 27.4 | 25.0 | 12.4 | 0.0 | 85.0 | 31.1 | 28.3 | 15.3 | 0.0 | 85.0 | 0.01 |