Table 6.
Anthropometric measurements in children <5 years of age following a 3-year point-of-use water treatment and handwashing intervention, Camotán, Guatemala, 2007
| Control |
Intervention |
Difference |
||||||
|---|---|---|---|---|---|---|---|---|
| Z-scorea | n | Mean | (SD) | n | Mean | (SD) | (95% CI)b | |
| Weight | 423 | −1.312 | (1.325) | 453 | −1.365 | (1.219) | −0.053 | (−0.331 to 0.206) |
| Height | 424 | −2.177 | (1.880) | 453 | −2.136 | (1.596) | 0.041 | (−0.305 to 0.326) |
| Weight-for-height | 421 | −0.122 | (1.728) | 451 | −0.187 | (1.421) | −0.066 | (−0.248 to 0.124) |
| Mid-upper-arm circumference | 401 | 0.348 | (0.884) | 426 | 0.335 | (0.825) | −0.014 | (−0.166 to 0.145) |
aZ-scores were calculated using a standard WHO Stata algorithm and 2006 world reference data.
b95% CIs calculated by bootstrap resampling matched village pairs with 1000 iterations.