Efficacy of Different Doses of Multiple Micronutrient Powder on Haemoglobin Concentration in Children Aged 6–59 Months in Arusha District

Table 3

Mean difference of haemoglobin concentration between intervention groups.

Duration	Comparison group		Mean difference (a − b) ± SE	value^b	95% CI
	(Dose (a))	(Dose (b))
Midline	1/wk	2/wk	−0.45 ± 0.12	0.001	−0.76–−0.15
		3/wk	−0.56 ± 0.12	0.00	−0.89–0.24
		5/wk	−0.77 ± 0.14	0.00	−1.14–0.41
	2/wk	1/wk	0.45 ± 0.12	0.00	0.47–0.76
		3/wk	−0.11 ± 0.12	1.00	−0.43–0.21
		5/wk	−0.21 ± 0.14	0.01	−0.68–0.04
	3/wk	1/wk	0.56 ± 0.12	0.00	0.24–0.88
		2/wk	0.11 ± 0.12	1.00	−0.21–0.43
		5/wk	−0.21 ± 0.15	0.88	−0.60–0.18
	5/wk	1/wk	0.77 ± 0.14	0.00	0.41–1.14
		2/wk	0.320 ± 0.14	1.00	−0.05–0.69
		3/wk	0.212 ± 0.15	0.88	−0.18–6.00
End line	1/wk	2/wk	−1.21 ± 0.12	0.00	−1.54–0.88
		3/wk	−1.51 ± 0.13	0.00	−1.85–−1.16
		5/wk	−1.69 ± 0.15	0.00	−2.09–−1.31
	2/wk	1/wk	1.21 ± 0.12	0.00	0.88–1.54
		3/wk	−0.29 ± 0.29	0.13	−0.64–0.05
		5/wk	−0.49 ± 0.15	0.006	−0.88–−0.99
	3/wk	1/wk	1.51 ± 0.13	0.00	1.16–1.85
		2/wk	0.29 ± 0.13	0.13	−0.05–0.64
		5/wk	−0.19 ± 0.15	1.00	−0.60–0.22
	5/wk	1/wk	1.69 ± 0.15	0.00	1.31–2.09
		2/wk	0.49 ± 0.15	0.00	0.09–0.88
		3/wk	0.19 ± 0.15	1.00	−0.22–0.6

The mean difference is significant at 0.05 levels. ^bAdjusted for multiple comparisons: Bonferroni