Table 4.
Placebo | Zinc | Multivitamins | Multivitamins plus Zinc | |||||
---|---|---|---|---|---|---|---|---|
|
||||||||
Baseline | 508 | 10.7 (10.6, 10.9) | 497 | 10.6 (10.5, 10.7) | 507 | 10.7 (10.6, 10.8) | 494 | 10.6 (10.5, 10.8) |
6 mo | 347 | 10.0 (9.9, 10.1) | 350 | 10.0 (9.8, 10.1) | 354 | 10.0 (9.9, 10.1) | 352 | 10.0 (9.9, 10.1) |
12 mo | 272 | 9.7 (9.5, 9.8)b | 273 | 9.6 (9.5, 9.7)c | 271 | 9.9 (9.7, 10.0)b,c | 266 | 9.7 (9.6, 9.9) |
18 mo | 168 | 9.6 (9.4, 9.8)d | 159 | 9.6 (9.4, 9.7)c | 165 | 9.9 (9.7, 10.1)c,d | 167 | 9.9 (9.4, 10.0) |
Values are Ns followed by mean haemoglobin (g/dL) with 95%CI from ANOVA models.
ANOVA post-hoc comparison with Bonferroni correction between multivitamin and placebo treatment P ≤ 0.10.
ANOVA post-hoc comparison with Bonferroni correction between multivitamin and zinc treatment P ≤ 0.05.
ANOVA post-hoc comparison with Bonferroni correction between multivitamin and placebo treatment P ≤ 0.05.