Table 1.
Clinical characteristics of those Cambridge Baby Growth Study participants who were included in the current analysis and those that were not.
| Characteristic | Included | Not-Included | p-Value |
|---|---|---|---|
| Mother’s age at the birth of her baby (years) | 33.4 | 33.7 | 0.3 |
| (33.1, 33.7) | (33.3, 34.0) | ||
| (n = 787) | (n = 548) | ||
| Parity (n, of increasing parity and starting with 0) | 415/310/103/24/4/2 | 302/330/112/37/4/4 | 2.0 × 10−3 |
| GDM (n yes/no) | 85 yes, 780 no | 26 yes, 193 no | 0.4 |
| OGTT fasting glucose concentration (mmol/L) | 4.3 | 4.4 | 0.1 |
| (4.3, 4.4) | (4.3, 4.5) | ||
| (n = 865) | (n = 218) | ||
| OGTT fasting insulin concentration (pmol/L) | 45 | 46 | 0.8 |
| (44, 47) | (44, 49) | ||
| (n = 846) | (n = 290) | ||
| Pre-pregnancy BMI (kg/m2) | 23.5 | 23.3 | 0.4 |
| (23.2, 23.7) | (22.9, 23.6) | ||
| (n = 776) | (n = 411) | ||
| Index of multiple deprivation | 8.0 | 8.1 | 0.6 |
| (7.7, 8.3) | (7.8, 8.5) | ||
| (n = 597) | (n = 401) | ||
| Maternal highest qualification (category GCSE/A levels/degree) (n) |
75/123/337 | 38/62/155 | 0.8 |
| Sex of baby (n males/females) | 443/413 | 412/386 | 1.0 |
| Baby’s birth weight (kg) * | 3.490 | 3.449 | 0.1 |
| (3.459, 3.552) | (3.406, 3.492) | ||
| (n = 774) | (n = 408) | ||
| Gestational age at birth of baby (weeks) | 39.9 | 39.6 | 5.1 × 10−4 |
| (39.8, 40.0) | (39.5, 39.7) | ||
| (n = 857) | (n = 800) | ||
| Reported smoking during pregnancy (n yes/no) | 31/825 | 55/744 | 3.0 × 10−3 |
* adjusted for maternal pre-pregnancy BMI, gestational age at birth, sex of baby and parity. Data are either the number of participants or mean (95% confidence interval).