Table 4.
Effects on mean concentration of hemoglobin (g/l) according to iron compound and time of evaluation
| Supplement and time of evaluation | Change in mean Hb | 95% CI | P value |
|---|---|---|---|
|
Supplement |
|
|
|
| Ferrous sulfate |
Reference |
|
|
| Bis-glycinate chelate |
1.71 |
−0.20 – 3.63 |
0.080 |
|
Time of evaluation |
|
|
|
| Baseline |
Reference |
|
|
| One week post-supplementation |
−0.11 |
−1.36 – 1.13 |
0.859 |
| 6 months after supplementation | −0.46 | −2.08 – 1.16 | 0.578 |
Mixed effects linear regression model with random intercept, adjusted by sex and age. Number of observations: 469, number of groups: 200, observations per group: 2.3 (1–3).