Table 3. Risk of Heart Failure in Relation to the Healthy Lifestyle Score, Women's Health Initiative Observational Study.
Healthy lifestyle score | No. of cases | Person-years | Crude Incidence rate/1000 person-years | Age and race-adjusted HR (95% CI) | Multivariable-adjusted* HR (95% CI) | P value for trend |
---|---|---|---|---|---|---|
0 | 74 | 15,099 | 4.90 | Referent | Referent | < 0.001 |
1 | 614 | 204,287 | 3.01 | 0.45 (0.35,0.57) | 0.49 (0.38,0.62) | |
2 | 620 | 300,462 | 2.06 | 0.30 (0.24,0.38) | 0.36 (0.28,0.46) | |
3 | 365 | 276,654 | 1.32 | 0.19 (0.15,0.25) | 0.24 (0.19,0.31) | |
4 | 153 | 140,121 | 1.09 | 0.17 (0.13,0.22) | 0.23 (0.17,0.30) |
Adjusted for age, race/ethnicity, marital status, education, U.S. region, and antecedent: coronary heart disease, treated diabetes, and hypertension