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| Cohort C | Cohort B | |
| Gender M | 289 (52.1%) | 551 (50.6%) |
| F | 266 (47.9%) | 538 (49.4%) |
| Age group (years) | ||
| [0–1] | 131 (24%) | 245 (23%) |
| [>1–2] | 103 (18%) | 201 (18%) |
| [>2–3] | 113 (20%) | 225 (21%) |
| [>3–4] | 115 (21%) | 219 (20%) |
| [>4–5] | 93 (17%) | 199 (18%) |
| N | 555 (100%) | 1089 (100%) |
