Table 2.
Differences in mean BMI, mean weight (kg), and mean length (cm) at 24 months in study of effect of home based early intervention on BMI in children
| Mean (95% CI) | Intervention−control (95% CI) | P value | ||
|---|---|---|---|---|
| Intervention | Control | |||
| Complete cases analysis (n=249 in intervention, 234 in control)* | ||||
| BMI | 16.49 (16.27 to 16.71) | 16.87 (16.66 to 17.08) | −0.38 (−0.68 to −0.08) | 0.01† |
| Weight | 12.98 (12.77 to 13.19) | 13.15 (12.96 to 13.35) | −0.17 (−0.46 to 0.11) | 0.24† |
| Length | 88.73 (88.28 to 89.17) | 88.42 (87.96 to 88.88) | 0.31 (−0.34 to 0.95) | 0.35† |
| Age (months) | 24.16 (24.09 to 24.23) | 24.25 (24.16 to 24.34) | − 0.09 (−0.02 to 0.20) | 0.12† |
| Multiple imputation analysis (n=255 in intervention, 242 in control)‡ | ||||
| BMI | 16.49 (16.27 to 16.71) | 16.87 (16.66 to 17.07) | −0.38 (−0.68 to −0.08) | 0.01§ |
| Weight | 12.99 (12.79 to 13.20) | 13.15 (12.96 to 13.35) | −0.16 (−0.44 to 0.12) | 0.27§ |
| Length | 88.75 (88.31 to 89.19) | 88.41 (87.94 to 88.88) | 0.34 (−0.30 to 0.98) | 0.30§ |
| Multiple imputation analysis (n=337 in intervention, 330 in control)¶ | ||||
| BMI | 16.53 (16.33 to 16.72) | 16.82 (16.64 to16.99) | −0.29 (−0.55 to −0.02) | 0.04§ |
| Weight | 13.02 (12.82 to 13.21) | 13.15 (12.95 to 13.35) | −0.13 (−0.43 to 0.16) | 0.37§ |
| Length | 88.71 (88.15 to 89.28) | 88.51 (87.93 to 89.10) | 0.20 (−0.66 to 1.06) | 0.64§ |
*14 missing BMI values among 497 remaining at 24 months.
†t test.
‡In 497 remaining at 24 months, with 14 missing values imputed.
§F test.
¶In all 667 randomised, with 184 missing values imputed.