Table 1. Characteristics of the study participants (n = 423).
| Variables | Results % (n) |
| Sex | |
| Male | 56.3 (238) |
| Female | 43.7 (185) |
| Anemia | |
| None | 64.3 (272) |
| Mild | 15.4 (65) |
| Moderate | 15.6 (66) |
| Severe | 4.7 (20) |
| Total | 100.0 (423) |
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