The Effect of 50 000 IU Vitamin A with BCG Vaccine at Birth on Growth in the First Year of Life

Table 2

The effect of neonatal vitamin A supplementation (VAS) on weight and length parameters at 6 and 12 months of age overall and by sex.

	All				Boys				Girls
	VAS	Placebo	Difference; (95% CI)	RR; (95% CI)	VAS	Placebo	Difference; (95% CI)	RR; (95% CI)	VAS. A	Placebo	Difference (95% CI)	RR; (95% CI)
6 months of age
𝑁	308	308			149	150			159	158
Age at measurement in days	181	182			181	182			181	182
Length in cm	64.4	64.3	0.1; (−0.4; 0.49)		65.3	65	0.3; (−0.4; 0.9)		63.6	63.7	−0.1; (−0.7; 0.4)
Length for age z-score (LAZ)	−0.97	−1.01	0.05; (−0.12; 0.22)		−1.04	−1.18	0.14; (−0.12; 0.41)		−0.90	−0.86	−0.04; (−0.25; 0.17)
Stunted (LAZ <−2)	16%	16%		1.00; (0.69; 1.44)	19%	24%		0.81; (0.52; 1.25)	12%	8%	1.57; (0.79; 3.13)
Weight in kg	7.59	7.61	−0.02; (−0.18; 0.14)		7.83	7.96	−0.13; (−0.35; 0.10)		7.36	7.28	0.08; (−0.13; 0.30)
Weight for age z-score (WAZ)	−0.05	−0.03	−0.02; (−0.18; 0.14)		−0.12	0.00	−0.12; (−0.36; 0.12)		0.02	−0.06	0.08; (−0.16; 0.31)
Underweight (WAZ <−2)	3%	2%		1.66; (0.61; 4.53)	3%	2%		1.68; (0.42; 0.6.90)	3%	2%		1.66; (0.40; 6.81)
12 months of age
𝑁	224	244			102	121			122	123
Age at measurement in days	362	363			359	363			365	363
Length in cm	71.7	71.6	0.1; (−0.3; 0.6)		72.4	72.1	0.2; (−0.4; 0.9)		71.1	71.0	0.1; (−0.5; 0.7)
Length for age z-score (LAZ)	−1.20	−1.30	0.10; (−0.08; 0.28)		−1.32	−1.48	0.16; (−0.12; 0.43)		−1.11	−1.13	0.02; (−0.21; 0.25)
Stunted (LAZ <−2)	21%	24%		0.85; (0.60; 1.19)	25%	34%		0.75; (0.49; 1.14)	16%	15%		1.12; (0.63; 2.01)
Weight in kg	8.86	8.79	0.08; (−0.14; 0.29)		9.11	9.01	0.10; (−0.20; 0.39)		8.66	8.57	0.09; (−0.22; 0.41)
Weight for age z-score (WAZ)	−0.44	−0.54	0.10; (−0.11; 0.31)		−0.54	−0.66	0.12; (−0.17, 0.42)		−0.37	−0.43	0.06; (−0.23, 0.35)
Underweight (WAZ <−2)	7%	9%		0.74; (0.39, 1.38)	5%	13%		0.39; (0.14, 1.04)	8%	6%		1.44; (0.57, 3.66)