Table 3.
Variables generated by regression models examining effect on weight gain of attendance at child health days in rural Uganda where albendazole was provided. 95% confidence intervals are corrected for cluster sampling effects
|
Outcome variable
|
Model 1
|
Model 2
|
Model 3
|
Model 4
|
Model 5
|
Model 6
|
|---|---|---|---|---|---|---|
| Total weight gain (g) (95% CI) | Total weight gain (g) (95% CI) | Total weight gain (g) (95% CI) | Total weight gain (g) (95% CI) | Total weight gain (g) (95% CI) | Weight gain per month (g) (95% CI) | |
| No of visits to treatment site | 705.0** (648 to 762) | 143.7** (87 to 201) | — | — | — | — |
| No of visits to control site | 649.6** (592 to 707) | 92.5** (25 to 160) | — | — | — | — |
| Initial age (months) | −689.4** (−790 to −589) | −693.9** (−791 to −597) | −694.2** (−797 to −597) | −519.9** (−603 to −510) | −838.23** (−955 to −721) | −41.0** (−48.9 to −33.0) |
| Age2 (months) | 56.5** (43 to 70) | 66.3** (54 to 78) | 66.3** (54.2 to 78.4) | 41.7** (29.8 to 53.6) | 78.5** (64.0 to 93.0) | 3.8** (2.8 to 4.8) |
| Interval between first and final measurement | — | 99.0** (89 to 109) | 111.6** (104.6 to 118.7) | 102.8** (95.6 to 109.9) | 102.0** (93.3 to 110.7) | −2.0* (−2.4 to −1.5) |
| Girls | 49.6* (1 to 98) | 48.5 (−0.8 to 98) | 49.1 (−0.7 to 100) | 125.2** (73.0 to 177.3) | 101.4** (50 to 153) | 1.9 (−2.5 to 6.3) |
| Treatment if time between visits ≤7.5 months | — | — | 158.2** (59.0 to 262.3) | 169.5** (52.4 to 286.6) | 178.0* (37.3 to 318.6) | 13.8* (1.3 to 26.3) |
| Treatment if time between visits >7.5 and ≤13 months | — | — | 106.6* (23.2 to 190.0) | 127.7* (30.0 to 225.5) | 128.8* (14.8 to 242.8) | 6.6* (0.2 to 12.9) |
| Treatment if time between visits ≥13 months | — | — | −125.4 (−304.7 to 53.9) | −127.7 to 307.5 to 52.1) | −150.6 (−142.5 to 41.0) | −4.3 (−13.4 to 4.8) |
| Initial weight (g) | — | — | — | −555.2** (−600.1 to −510.3) | — | — |
| Initial weight (g, predicted) | — | — | — | — | −273.3** (−333.8 to −212.8) | — |
| Constant | 2684** (2452 to 2915) | 1853** (1581 to 2124) | 1801** (1524 to 2078) | 911** (668 to 1154) | 1917** (1625 to 2208) | 257** (235 to 280 |
| No of children | 27 995 | 27 995 | 27 995 | 27 995 | 21 134 | 27 995 |
| R2 | 0.146 | 0.178 | 0.178 | 0.283 | 0.183 | 0.018 |
Constant is average of fixed effects.
*
Coefficient differs from zero (two tailed test) with P≤0.05.
**
Coefficient differs from zero (two tailed test) with P≤0.01.