Table 3.
Interactive effect analysis of diabetes and central obesity on stroke
| Categories | Stroke/n | Unadjusted | Adjusted | |||
|---|---|---|---|---|---|---|
| Diabetes | Central obesity | HR (95% CI) | P value | HR (95% CI) | P value | |
| (-) | (-) | 60/1463 | 1.00(reference) | 1.00(reference) | ||
| (-) | (+) | 52/1004 | 1.26(0.87-1.83) | 0.219 | 1.22(0.82-1.81) | 0.328 |
| (+) | (-) | 3/40 | 1.99(0.62-6.33) | 0.246 | 1.07(0.33-3.49) | 0.905 |
| (+) | (+) | 6/54 | 2.94(1.27-6.82) | 0.012 | 3.02(1.24-7.33) | 0.015 |
| Diabetes*Central obesity† | 121/2561 | 2.63(1.16-5.98) | 0.021 | 2.67(1.14-6.26) | 0.024 | |
Covariates in adjusted model - age, gender, TG, TC, family history of CVD, drinking, smoking, and hypertension. †The interaction term diabetes*central obesity was treated as a variable in the COX proportional hazard model.