Table 3.
Percent of children with growth indices z-scores below –2 and distribution of mean z-scores.
| Growth indices by sampling period | Nyabula | Kigwa | Kikelelwa | All villages | p‑Valuea | ||||
|---|---|---|---|---|---|---|---|---|---|
| z‑Score < –2 n (%) | Mean z‑score ± SD | z‑Score < –2 n (%) | Mean z‑score ± SD | z‑Score < –2 n (%) | Mean z‑score ± SD | z‑Score < –2 n (%) | Mean z‑score ± SD | ||
| At recruitment (n = 166) | |||||||||
| LAZ | 34 (55) | –2.4 ± 1.2 | 10 (21.3) | –1.2 ± 0.9 | 29 (51) | –1.8 ± 1.2 | 73 (44) | –1.9 ± 1.3 | < 0.001 |
| WAZ | 7 (11) | –0.6 ± 1.2 | 1 (2) | –0.4 ± 0.9 | 6 (11) | –0.4 ± 1.3 | 14 (8) | –0.5 ± 1.2 | 0.455 |
| WLZ | 1 (2) | 0.9 ± 1.0 | 2 (4) | 0.3 ± 1.1 | 0 (0) | 0.9 ± 1.0 | 3 (2) | 0.8 ± 1.1 | < 0.001 |
| 6 months from recruitment (n = 148) | |||||||||
| LAZ | 40 (71) | –2.7 ± 1.3 | 21 (57) | –1.9 ± 1.0 | 21 (38) | –1.8 ± 1.1 | 82 (55) | –2.2 ± 1.2 | < 0.001 |
| WAZ | 12 (21) | –1.2 ± 1.1 | 4 (11) | –0.8 ± 0.9 | 5 (9) | –0.6 ± 1.1 | 21 (14) | –0.9 ± 1.1 | 0.027 |
| WLZ | 1 (2) | 0.2 ± 0.9 | 1 (3) | 0.1 ± 1.0 | 1 (2) | 0.3 ± 1.0 | 3 (2) | 0.2 ± 1.0 | 0.832 |
| 12 months from recruitment (n = 146) | |||||||||
| LAZ | 43 (77) | –2.7 ± 1.2 | 17 (46) | –1.7 ± 0.9 | 22 (42) | –1.9 ± 1.1 | 82 (56) | –2.2 ± 1.2 | < 0.001 |
| WAZ | 17 (30) | –1.3 ± 1.1 | 1 (3) | –0.7 ± 0.9 | 3 (6) | –0.8 ± 0.9 | 21 (14) | –1.0 ± 1.0 | 0.002 |
| WLZ | 1 (2) | 0.1 ± 1.0 | 0 (0) | 0.3 ± 0.9 | 0 (0) | 0.3 ± 0.7 | 1 (0.7) | 0.2 ± 0.9 | 0.318 |
| ap-Value for comparing z-scores between villages. | |||||||||