Table 2 Age distribution in study population, Tehran, and Iran urban inhabitants.
Age group (year) | Study population (%) | Tehran urban inhabitants (%) | Iran urban inhabitants (%) |
|---|---|---|---|
0–9 | 15 | 18 | 22 |
10–19 | 22 | 25 | 27 |
20–29 | 18 | 19 | 17 |
30–39 | 16 | 16 | 14 |
40–49 | 11 | 11 | 9 |
50–59 | 9 | 6 | 5 |
60–69 | 9 | 5 | 6 |