Effects of prenatal food and micronutrient supplementation on child growth from birth to 54 months of age: a randomized trial in Bangladesh

Table 3 Effects of prenatal food and micronutrient supplementations on linear growth (16 anthropometric assessments) from birth to 54 months of age

Randomized intervention		n	HAZ mean (95% CI)	P-value¹	Stunting, mean% (95% CI)	P-value¹
Food supplementation	Early invitation (E)	839	-1.52 (-1.58, -1.46)²	0.07	30.8 (28.5-33.1)⁴	0.01
	Usual invitation (U)	795	-1.60 (-1.66, -1.54)		35.3 (32.9-37.7)
Micronutrient supplementation	Fe30F	518	-1.51 (-1.59, -1.44)	0.09	31.8 (28.8-34.7)	0.04
	Fe60F	566	-1.55 (-1.62, -1.48)		31.3 (28.5-34.1)
	MMS	550	-1.63 (-1.70, -1.55)³		36.1 (33.3-39.0)^5,6
Interaction Food*Micronutrients	E-Fe30F	258	-1.47(-1.58, -1.36)	0.99	29.9 (25.7-34.1)	0.94
	E-Fe60F	291	-1.51 (-1.61, -1.41)		28.7 (24.7-32.6)
	E-MMS	290	-1.59 (-1.69, -1.49)		33.9 (29.9-37.8)
	U-Fe30F	260	-1.55 (-1.66, -1.44)		33.6 (29.5-37.8)
	U-Fe60F	275	-1.59 (-1.69, -1.48)		33.9 (29.9-38.0)
	U-MMS	260	-1.67 (-1.78, -1.56)		38.4 (34.2-42.6)

General lineal models, repeated-measures analyses, n = 1634.
Abbreviations: HAZ = Height for Age Z-score; Fe30F = 30 mg iron and 400 μg of folic acid; Fe60F = 60 mg iron and 400 μg of folic acid; MMS = multiple micronutrients, 15 micronutrients including 30 mg iron and 400 μg of folic acid;¹ Test of between-subjects effects;²Pairwise comparison with usual invitation, P = 0.07;³Pairwise comparison with Fe30F, P = 0.03;⁴ Pairwise comparison with usual invitation; P = 0.01⁵Pairwise comparison with Fe30F, P = 0.04;⁶Pairwise comparison with Fe60F, P = 0.02

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