Characteristics | Total | Beijing family | Non-Beijing family | OR (95 % CI) | p-value |
---|---|---|---|---|---|
Age, years | Â | Â | Â | Â | Â |
  < 30 | 424 | 389 | 35 | - | 0.434 |
 30–60 | 404 | 362 | 42 |  |  |
  > 60 | 189 | 168 | 21 |  |  |
Gender | Â | Â | Â | Â | Â |
 Male | 705 | 632 | 73 | 1 | 0.204 |
 Female | 312 | 288 | 24 | 0.722 (0.446–1.168) |  |
Treatment history | Â | Â | Â | Â | Â |
 New case | 753 | 685 | 68 | 1 | 0.433 |
 Retreatment | 221 | 197 | 24 | 1.277 (0.751–2.007) |  |