Micronutrients including zinc (MZ) | Micronutrients including zinc and bacteria (MB) | Placebo (PB) | p* overall | p** pair-wise | |||
---|---|---|---|---|---|---|---|
MZ v MB | MZ v PB | MB v PB | |||||
*Analysis of variance (ANOVA) for longitudinal prevalence of diarrhoea adjusted for age (p = 0.03); Kruskal-Wallis test for days of fever; ANOVA for Hb and SF (log transformed); Mantel-Haenzel χ2 test for dichotomised Hb and SF concentrations. | |||||||
**ANOVA for longitudinal prevalence of diarrhoea adjusted for age (p = 0.03) with Tukey’s adjustment for multiple comparisons; Wilcoxon rank sum tests for days of fever (p<0.016 used for hypothesis testing); ANOVA for Hb and SF (log transformed) with Tukey’s adjustment for multiple comparisons. | |||||||
†Mean (SD). | |||||||
‡Median (min–max). | |||||||
§No. (%). | |||||||
Morbidity indicators | |||||||
n | 24 | 21 | 25 | ||||
Longitudinal prevalence of diarrhoea (%)† | 15 (10) | 26 (19) | 26 (20) | 0.0017 | 0.0007 | 0.009 | 0.28 |
Febrile days per child† | 1.2 (1.5) | 5.9 (6.2) | 3.2 (2.6) | 0.001 | 0.001 | 0.004 | 0.16 |
Biochemical indices | |||||||
n | 13 | 12 | 13 | ||||
Haemoglobin (g/l)† | 103 (8) | 102 (13) | 99 (12) | 0.69 | 0.84 | 0.39 | 0.52 |
Ferritin (μg/l)‡ | 48 (0–147) | 50 (6–267) | 28 (4–111) | 0.72 | 0.46 | 0.93 | 0.51 |
Haemoglobin <100 g/l§ | 5 (38) | 3 (25) | 6 (46) | 0.68 | |||
Ferritin <15 μg/l§ | 3 (23) | 3 (25) | 4 (30) | 0.66 |