Table 6 Stratified associations between TyG-BMI and stroke by age, sex, hypertension, smoking status, and drinking status
Characteristics | No of participants | HR (95%CI) | P value | P for interaction |
|---|---|---|---|---|
Age (years) | 0.851 | |||
 < 60 | 4731 | 1.064 (1.038, 1.091) | < 0.001 |  |
 60–70 | 2618 | 1.035 (1.006, 1.065) | 0.017 |  |
 70–80 | 1141 | 1.024 (0.984, 1.065) | 0.245 |  |
 ≥ 80 | 208 | 1.009 (0.913, 1.115) | 0.858 |  |
Sex | 0.767 | |||
 Male | 4008 | 1.052 (1.024, 1.081) | < 0.001 |  |
 Female | 4690 | 1.047 (1.024, 1.071) | < 0.001 |  |
Hypertension | 0.054 | |||
 No | 6642 | 1.064 (1.039, 1.091) | < 0.001 |  |
 Yes | 2056 | 1.032 (1.006, 1.059) | 0.014 |  |
Drinking status | 0.135 | |||
 Current drinker | 1188 | 1.013 (0.974, 1.055) | 0.512 |  |
 Ever drinker | 2185 | 1.058 (1.035, 1.082) | < 0.001 |  |
 Never drinker | 5325 | 1.048 (1.011, 1.085) | 0.010 |  |
Smoking status | 0.951 | |||
 Current smoker | 2639 | 1.046 (1.014, 1.079) | 0.005 |  |
 Ever smoker | 745 | 1.038 (0.991, 1.087) | 0.113 |  |
 Never smoker | 5314 | 1.051 (1.027, 1.075) | < 0.001 |  |