Table 2.
Generalised estimating equation (GEE) model of factors associated with height-for-age percentile over the 1-year period (Estimates and 95 % confidence intervals)
| Factors | Estimate | 95% CI | P* |
|---|---|---|---|
| Intercept | −82·75 | −186·54, 21·05 | 0·1182 |
| Visit | |||
| Baseline | 0 | ||
| Week 4 | 0·12 | −0·56, 0·80 | 0·7246 |
| Week 8 | 1·03 | −0·11, 2·18 | 0·0776 |
| Week 16 | 2·16 | 0·70, 3·63 | 0·0038 |
| Week 24 | 2·88 | 1·31, 4·45 | 0·0003 |
| Week 32 | 3·43 | 1·73, 5·12 | <0·0001 |
| Week 40 | 3·74 | 1·95, 5·54 | <0·0001 |
| Week 48 | 3·99 | 1·82, 6·17 | 0·0003 |
| Age at baseline (months) | −0·72 | −1·34, −0·11 | 0·0214 |
| Sex | |||
| Male | 0 | ||
| Female | −0·90 | −5·68, 3·89 | 0·7130 |
| Highest parental education | |||
| High school | 0 | ||
| College/university or higher | 4·95 | 0·35, 9·54 | 0·0348 |
| Visit × sex interaction | |||
| Baseline × male | 0 | ||
| Baseline × female | 0 | ||
| Week 4 × male | 0 | ||
| Week 4 × female | −0·39 | −1·31, 0·53 | 0·4080 |
| Week 8 × male | 0 | ||
| Week 8 × female | −0·88 | −2·33, 0·58 | 0·2372 |
| Week 16 × male | 0 | ||
| Week 16 × female | −1·59 | −3·61, 0·42 | 0·1217 |
| Week 24 × male | 0 | ||
| Week 24 × female | −1·56 | −3·69, 0·57 | 0·1505 |
| Week 32 × male | 0 | ||
| Week 32 × female | −1·78 | −3·95, 0·40 | 0·1089 |
| Week 40 × male | 0 | ||
| Week 40 × female | −2·01 | −4·27, 0·25 | 0·0816 |
| Week 48 × male | 0 | ||
| Week 48 × female | −2·44 | −5·09, 0·21 | 0·0714 |
| Overall ONS compliance | 1·25 | 0·18, 2·32 | 0·0221 |
ONS, oral nutritional supplementation.
* P value is from the GEE analysis.