Table 4.
Cardiovascular disease risk factors and population attributable fraction (PAF) for various risk factors among women, Tiruvallur, India
| Factors | HR (95% CI) | HR (95% CI) | HR (95% CI) | PAF (95% CI) | 
| Unadjusted | Age adjusted | All adjusted | (%) | |
| Age group | ||||
| 25–34 | 1 | |||
| 35–44 | 2.476 (0.8 to 8.0) | |||
| 45–54 | 5.949 (2.0 to 18.1) | |||
| 55–64 | 15.838 (5.5 to 45.8) | |||
| Education | ||||
| Not attended school | 1.772 (0.7 to 4.4) | 0.565 (0.2 to 1.5) | 0.873 (0.3 to 2.2) | |
| 5 years of schooling | 1.222 (0.5 to 3.1) | 0.645 (0.2 to 1.7) | 0.859 (0.3 to 2.2) | |
| 8 years of schooling | 0.887 (0.3 to 2.7) | 0.642 (0.2 to 2.0) | 0.712 (0.3 to 2.2) | |
| 12 years of schooling and above | 1 | |||
| Occupation | ||||
| Employed | 1 | |||
| No paid work | 1.991 (1.1 to 3.7) | 2.037 (1.1 to 3.8) | 1.684 (0.9 to 3.2) | 33.5 (0.0 to 60.1) | 
| Smokeless tobacco use | ||||
| Present | 1 | |||
| Absent | 1.447 (0.7 to 2.9) | 0.756 (0.4 to 1.5) | 1.060 (0.5 to 2.2) | 0.0 (0.0 to 12.4) | 
| Hypertension | ||||
| Absent | 1 | |||
| Present | 5.097 (2.9 to 8.9) | 2.587 (1.4 to 4.7) | 1.815 (1.0 to 3.4) | 27.1 (0.0 to 48.4) | 
| Diabetes (self-reported) | ||||
| Absent | 1 | |||
| Present | 10.268 (5.6 to 18.8) | 5.877 (3.2 to 10.9) | 4.262 (2.2 to 8.1) | 23.1 (8.6 to 36.0) | 
| Central obesity | ||||
| Normal | 1 | |||
| Obese | 3.651 (2.1 to 6.4) | 3.204 (1.8 to 5.6) | 2.225 (1.2 to 4.0) | 28.6 (4.0 to 46.8) | 
| Cumulative PAF | 68.8 (40.5 to 83.7) |