TABLE 2.
Difference in mean anthropometric measures [zinc (Zn) – control (Ctrl)] of body size and composition in infants 0–12 mo old1
| Month (sample size by treatment group) |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| Growth outcome | (Zn, n = 262; Ctrl, n = 260) | (Zn, n = 224; Ctrl, n = 217) | (Zn, n = 220; Ctrl, n = 212) | (Zn, n = 227; Ctrl, n = 213) | (Zn, n = 217; Ctrl, n = 203) | (Zn, n = 197; Ctrl, n = 188) | (Zn, n = 211; Ctrl, n = 213) | (Zn, n = 178; Ctrl, n = 168) | (Zn, n = 157; Ctrl, n = 157) | (Zn, n = 160; Ctrl, n = 159) | (Zn, n = 136; Ctrl, n = 131) | (Zn, n = 130; Ctrl, n = 117) | (Zn, n = 115; Ctrl, n = 122) |
| Weight (kg) | 0.11 | −0.112 | −0.00 | 0.05 | 0.06 | 0.11 | 0.11 | 0.212 | 0.212 | 0.282 | 0.232 | 0.17 | 0.23 |
| Length (cm) | −0.12 | −0.39 | −0.24 | −0.11 | −0.06 | −0.13 | 0.00 | 0.34 | 0.29 | 0.27 | 0.16 | −0.11 | 0.16 |
| Circumference (cm) | |||||||||||||
| Head | −0.14 | −0.252 | −0.20 | −0.11 | −0.12 | −0.02 | −0.03 | 0.06 | −0.08 | −0.13 | 0.08 | −0.13 | −0.11 |
| Calf | −0.05 | −0.10 | 0.09 | 0.19 | 0.322 | 0.312 | 0.362 | 0.442 | 0.392 | 0.432 | 0.402 | 0.332 | 0.412 |
| Chest | −0.20 | −0.34 | −0.08 | 0.29 | 0.15 | 0.23 | 0.492 | 0.49 | 0.37 | 0.792 | 0.622 | 0.612 | 0.40 |
| MUAC (cm) | −0.03 | −0.14 | 0.10 | 0.08 | 0.15 | 0.15 | 0.20 | 0.19 | 0.19 | 0.292 | 0.272 | 0.16 | 0.18 |
| Skinfold thickness3 | |||||||||||||
| Triceps (mm) | −0.10 | −0.232 | 0.02 | −0.05 | 0.01 | 0.08 | 0.08 | 0.25 | 0.20 | 0.20 | 0.17 | 0.372 | 0.492 |
| Calf (mm) | −0.02 | −0.33 | −0.03 | 0.03 | 0.02 | 0.18 | 0.15 | 0.27 | 0.20 | 0.712 | 0.21 | 0.492 | 0.25 |
| Subscapular (mm) | −0.08 | −0.382 | −0.06 | −0.07 | 0.02 | −0.24 | −0.02 | 0.16 | 0.19 | 0.392 | −0.07 | 0.19 | 0.04 |
1
MUAC, mid-upper arm circumference.
2
P < 0.05 (one-way ANOVA with Bonferroni multiple-comparison test).
3
Geometric x¯ was used for all skinfold thickness measures.