Table 1 Demographic characteristics of patients with otitis media in 2002
Number (%) | Non-T&A group | T&A group | P value | |
|---|---|---|---|---|
Total patients with otitis media | 1338 (100) | 1111 | 227 | |
Sex | ||||
Male | 840 (62.8) | 700 | 140 | 0.7051 |
Female | 498 (37.2) | 411 | 87 | |
Age in 2002 | ||||
0–1 year old | 85 (6.4) | 70 | 15 | 0.9936 |
2–3 years old | 547 (40.9) | 455 | 92 | |
4–5 years old | 424 (31.7) | 353 | 71 | |
6–7 years old | 282 (21.1) | 233 | 49 | |
Income level | ||||
1st (lowermost) quintile | 92 (6.9) | 80 | 12 | 0.7896 |
2nd quintile | 139 (10.4) | 112 | 27 | |
3rd quintile | 326 (24.4) | 272 | 54 | |
4th quintile | 413 (30.9) | 341 | 72 | |
5th (uppermost) quintile | 368 (27.5) | 306 | 62 | |
Type of National Health Insurance | ||||
Employee member | 813 (60.8) | 674 | 139 | 0.8732 |
Local member | 525 (39.2) | 437 | 88 | |
Residence | ||||
Seoul (capital) | 222 (16.6) | 179 | 43 | 0.7429 |
Metropolitan | 338 (25.3) | 281 | 57 | |
City (small and medium sized) | 711 (53.1) | 594 | 117 | |
County | 67 (5.0) | 57 | 10 | |