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Characteristics of the matched sample males and females (n = 361).
| Parameter | Pre-intervention | Post-intervention | Remarks |
|---|---|---|---|
| Anaemic | 107 | 58 | χ2 = 17.33 p < 0.001 |
| Mean haemoglobin | 12.83 | 13.72 | t = 19.53 p < 0.001 |
| Standard deviation | 2.00 | 1.96 | |
| Variance | 3.99 | 3.85 | |
| Range | 6.4-17.7 | 7.8-19.2 | |
| Inter-quartile range | 11.8-14.1 | 12.7-15.0 | |
| Median | 12.8 | 13.7 | |
| Mode | 12.6 | 13.1 |
