Table 2.
Stratification scale for age
| Age period | Age | |
| P1 | Child (Ch) | 0-14 years |
| P2 | Adolescent (Ad) | 15-24 years |
| P3 | Young adult (YA) | 25-44 years |
| P4 | Mature adult (MA) | 45-64 years |
| P5 | Elderly (Eld) | >65 years |
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