Table 3. Association between maternal pre-pregnancy BMI and dog ownership during gestation, univariable and multivariable (adjusted).
| Outcome (predictor) | n (%) | n (%) | CrudeOR (95%CI) | CrudeP$ | Adj* OR (95%CI) | Adj* P$ | |
| Maternal overweight or obese | Normal | Ovw/Ob | |||||
| Dog present | No | 7336(81.6) | 1657(18.4) | 1 | 1 | ||
| Yes | 2328(79.0) | 618(21.0) | 1.18(1.06–1.30) | 0.002 | 1.07(0.93–1.24) | 0.46 | |
| Number of dogs | No dog | 7336(81.6) | 1657(18.4) | 1 | 1 | ||
| Single dog | 1801(79.4) | 468(20.6) | 1.15(1.03–1.29) | 0.02 | 1.07(0.91–1.25) | 0.43 | |
| Multiple dogs | 527(77.8) | 150(22.2) | 1.26(1.04–1.52) | 0.02 | 1.11(0.84–1.46) | 0.48 | |
| Maternal obesity | Normal | Obese | |||||
| Dog present | No | 7336(94.5) | 429(5.5) | 1 | 1 | ||
| Yes | 2328(92.9) | 179(7.1) | 1.31(1.10–1.57) | 0.003 | 0.97(0.74–1.27) | 0.82 | |
| Number of dogs | No dog | 7336(94.5) | 429(5.5) | 1 | 1 | ||
| Single dog | 1801(93.3) | 129(6.7) | 1.22(1.00–1.50) | 0.05 | 0.88(0.65–1.19) | 0.39 | |
| Multiple dogs | 527(91.3) | 50(8.7) | 1.62(1.19–2.20) | 0.002 | 1.33(0.84–2.10) | 0.23 |
*
Maternal overweight/obesity adjustment for maternal education, maternal social class, mother worked during pregnancy, maternal age at delivery, previous living children, number of people in household, house type, mother had pets as a child.
$
Likelihood ratio P-value.