Table 1.
| Table 1a. Parental characteristics in relation to recalled gestational weight gain. | ||||||
|---|---|---|---|---|---|---|
| Recalled Gestational Weight Gain Category | ||||||
| < 10 | 10–14 | 15–19 | 20–29 | 30–39 | 40+ | |
| N | 939 | 2985 | 5643 | 11,194 | 4432 | 1319 |
| Mother of subject | ||||||
| BMI prior to index pregnancy1 | 22.3 (3.9) | 21.1 (2.7) | 21.1 (2.5) | 21.2 (2.4) | 21.3 (2.7) | 20.9 (2.8) |
| Age at subject’s birth (yr)1 | 26.2 (5.0) | 26.7 (4.9) | 26.5 (4.8) | 26.1 (4.7) | 25.3 (4.7) | 23.9 (4.3) |
| Lifetime diabetes history (%) | 6.3 | 4.0 | 2.8 | 3.5 | 4.4 | 4.6 |
| Pregnancy | ||||||
| Birth weight of daughter (g) 1 | 3050 (607) | 3106 (510) | 3212 (483) | 3338 (463) | 3459 (475) | 3504 (514) |
| Year of birth [median, IQR] | 1955 [1951–59] | 1955 [1951–58] | 1955 [1952–59] | 1956 [1952–59] | 1955 [1952–59] | 1955 [1951–59] |
| First pregnancy (%) | 48.0 | 43.0 | 40.4 | 41.2 | 50.5 | 66.9 |
| Nausea/vomiting 1st trimester (%) | 63.3 | 60.3 | 64.0 | 65.5 | 67.6 | 68.3 |
| High activity level2 (%) | 26.0 | 30.2 | 29.7 | 28.0 | 23.3 | 21.0 |
| Smoked during pregnancy (%) | 28.4 | 24.9 | 24.1 | 24.4 | 26.4 | 28.1 |
| Gestational age at delivery (wks) 1 | 38.9 (2.6) | 39.1 (2.3) | 39.3 (2.1) | 39.6 (1.9) | 39.7 (1.9) | 39.8 (2.0) |
| Breastfed daughter in infancy (%) | 44.6 | 45.2 | 45.5 | 46.1 | 48.3 | 47.9 |
| Father of subject | ||||||
| BMI at time of subject’s birtha | 23.7 (3.2) | 23.5 (2.8) | 23.5 (2.8) | 23.6 (2.8) | 23.6 (2.9) | 23.4 (2.9) |
| Lifetime history of diabetes (%) | 9.8 | 8.2 | 7.4 | 7.3 | 8.2 | 8.0 |
| Socioeconomic Status | ||||||
| Mother not living with father (%) | 1.2 | 1.0 | 1.1 | 0.9 | 1.2 | 2.1 |
| Father professional (%) | 26.9 | 29.0 | 32.2 | 31.7 | 25.9 | 22.7 |
| Father has college degree (%) | 19.8 | 23.1 | 25.1 | 24.0 | 19.3 | 14.4 |
| Family did not own home at time of subject’s birth (%) | 55.3 | 50.5 | 50.5 | 50.8 | 58.0 | 64.7 |
| Table 1b. Parental characteristics in relation to recalled maternal pre-pregnancy BMI. | |||||
|---|---|---|---|---|---|
| Recalled maternal Pre-pregnancy BMI | |||||
| < 22 | 22 to <24 | 24 to <26 | 26 to <28 | 28+ | |
| N | 18,416 | 4,792 | 2,213 | 597 | 488 |
| Mother of subject | |||||
| Age at subject’s birth (yr)1 | 25.6 | 26.7 | 27.1 | 27.4 | 27.2 |
| Lifetime diabetes history (%) | 2.7 | 4.1 | 7.7 | 10.2 | 12.5 |
| Pregnancy | |||||
| Gestational weight gain (lbs) | |||||
| < 10 | 2.9 | 3.3 | 5.2 | 7.7 | 17.8 |
| 10 to 14 | 11.5 | 10.7 | 10.3 | 11.9 | 10.9 |
| 15 to 19 | 22.1 | 19.5 | 20.0 | 18.6 | 16.2 |
| 20 to 29 | 42.2 | 43.9 | 41.6 | 38.7 | 32.6 |
| 30 to 39 | 16.2 | 17.7 | 18.2 | 20.1 | 17.4 |
| 40+ | 5.0 | 5.0 | 4.8 | 3.0 | 5.1 |
| Birth weight of daughter (g) 1 | 3268.7 | 3358.0 | 3404.3 | 3451.3 | 3454.6 |
| Year of birth [median, IQR] | 1955 [1952–1959] | 1955 [1952–1959] | 1956 [1952–1959] | 1956 [1953–1960] | 1956 [1953–1960] |
| First pregnancy (%) | 48.2 | 37.1 | 33.9 | 30.7 | 32 |
| Nausea/vomiting 1st trimester | 65.7 | 64.4 | 62.9 | 62.1 | 59.4 |
| High activity level2 (%) | 28.0 | 26.2 | 27.5 | 22.9 | 22.7 |
| Smoked during pregnancy (%) | 26.7 | 22.4 | 20.7 | 17.9 | 19.1 |
| Gestational age at delivery (wks) 1 | 39.4 | 39.5 | 39.6 | 39.7 | 39.7 |
| Breastfed daughter in infancy (%) | 46.8 | 45.5 | 45.0 | 45.3 | 41.2 |
| Father of subject | |||||
| BMI at time of subject’s birth1 | 23.4 | 23.8 | 24.3 | 24.4 | 24.9 |
| Lifetime history of diabetes (%) | 7.0 | 8.4 | 9.6 | 12.7 | 12.3 |
| Socioeconomic Status | |||||
| Mother not living with father (%) | 1.2 | 0.8 | 0.8 | 0.7 | 1.6 |
| Father professional (%) | 32.0 | 28.3 | 22.4 | 17.8 | 13.6 |
| Father has college degree (%) | 24.9 | 20.1 | 16.8 | 11.9 | 6.4 |
| Family did not own home at time | |||||
| of subject’s birth (%) | 55.1 | 47.8 | 47.7 | 43.7 | 47.3 |
1
mean (SD)
2
Upper tertile of physical activity during pregnancy with nurse daughter.