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) |