Table 2 Predictors of BMI z-score trajectory groups in the first 2 years of life.
Stable low BMIz | Stable high BMIz | Rapid BMIz gain after 3 months | |||||||
|---|---|---|---|---|---|---|---|---|---|
Odds ratioa | 95% CI | Odds ratioa | 95% CI | Odds ratioa | 95% CI | ||||
Low | High | Low | High | Low | High | ||||
Income level (per month) b | |||||||||
<SGD $2000 | 0.87 | 0.52 | 0.69 | 0.64 | 0.31 | 1.34 | 0.96 | 0.43 | 2.14 |
SGD $2000–5999 | 1.00 | — | — | 1.00 | — | — | 1.00 | — | — |
≥SGD $6000 | 0.66 | 0.42 | 1.03 | 1.17 | 0.69 | 1.99 | 0.41 | 0.15 | 1.12 |
Parity b | |||||||||
Primiparous | 1.00 | — | — | 1.00 | — | — | 1.00 | — | — |
Multiparous | 1.22 | 0.84 | 1.75 | 1.67 | 1.07 | 2.61 | 0.89 | 0.47 | 1.65 |
Ethnicity b | |||||||||
Chinese | 1.00 | — | — | 1.00 | — | — | 1.00 | — | — |
Malay | 0.71 | 0.44 | 1.17 | 1.51 | 0.90 | 2.53 | 3.49 | 1.48 | 8.25 |
Indian | 2.36 | 1.54 | 3.63 | 0.57 | 0.27 | 1.21 | 6.30 | 2.66 | 14.73 |
Gestational age at delivery b | |||||||||
Term | 1.00 | — | — | 1.00 | — | — | 1.00 | — | — |
Pre-term | 2.23 | 1.28 | 3.86 | 1.46 | 0.66 | 3.22 | 1.51 | 0.51 | 4.53 |
Pre-pregnancy BMI b | |||||||||
(per 1SD increase) | 0.73 | 0.59 | 0.91 | 1.49 | 1.19 | 1.88 | 1.43 | 1.06 | 1.95 |
Height b | |||||||||
(per 1SD increase) | 0.79 | 0.66 | 0.94 | 1.08 | 0.87 | 1.34 | 0.94 | 0.68 | 1.28 |
GWG z-score b | |||||||||
(per 1SD increase) | 0.83 | 0.69 | 0.99 | 1.51 | 1.19 | 1.90 | 1.39 | 1.02 | 1.90 |
Breastfeeding type b | |||||||||
Low | 1.31 | 0.86 | 1.99 | 0.68 | 0.41 | 1.13 | 1.95 | 0.93 | 4.10 |
Intermediate | 1.00 | — | — | 1.00 | — | — | 1.00 | — | — |
High | 1.03 | 0.54 | 1.97 | 0.91 | 0.45 | 1.84 | 1.22 | 0.32 | 4.62 |
