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The comparison of between occupational stress level and CHD in different ethnic groups.
| Subgroup | Han populations | Uygur populations | ||||||
|---|---|---|---|---|---|---|---|---|
| Control group (n = 339) | Case group (n = 202) | χ 2 | P value | Control group (n = 197) | Case group (n = 108) | χ 2 | P value | |
| High occupational stress | 103 (30.4) | 65 (32.2) | 0.19 | 0.663 | 55 (27.9) | 44 (40.7) | 5.231 | <0.001 |
| Low occupational stress | 236 (69.6) | 137 (67.8) | 142 (72.1) | 64 (59.3) | ||||
