Table 2.
Person years of follow-up and proportion with and without cardiovascular disease (CVD) in the risk factors categories among women, Tiruvallur, India
| Risk factors | Follow-up duration (total—18 861 person years) | CVD (n=50) | No CVD (n=1057) | ||
| n | % | n | % | ||
| Age group | |||||
| 25–34 | 6606.0 | 4 | 8.0 | 1057 | 35.0 |
| 35–44 | 6001.0 | 9 | 18.0 | 965 | 31.9 |
| 45–54 | 3889.5 | 14 | 28.0 | 609 | 20.2 |
| 55–64 | 2364.5 | 23 | 46.0 | 390 | 12.9 |
| Education | |||||
| Not attended school | 6422.0 | 23 | 46.0 | 1038 | 34.4 |
| 1–5 years of school education | 6096.5 | 15 | 30.0 | 965 | 31.9 |
| 6–8 years of school education | 3362.5 | 6 | 12.0 | 537 | 17.8 |
| 9–12 years of school education and above | 2980.0 | 6 | 12.0 | 481 | 15.9 |
| Occupation | |||||
| Employed | 7751.5 | 13 | 26.0 | 1239 | 41.0 |
| No paid work | 11 109.5 | 37 | 74.0 | 1782 | 59.0 |
| Smokeless tobacco use | |||||
| Present | 2765.5 | 10 | 20.0 | 464 | 15.4 |
| Absent | 16 095.5 | 40 | 80.0 | 2557 | 84.6 |
| Hypertension | |||||
| Present | 3738.5 | 28 | 56.0 | 606 | 20.1 |
| Absent | 15 122.5 | 22 | 44.0 | 2415 | 79.9 |
| Diabetes (self-reported) | |||||
| Present | 747.5 | 15 | 30.0 | 119 | 3.9 |
| Absent | 18 113.5 | 35 | 70.0 | 2902 | 96.1 |
| Central obesity | |||||
| Obese | 4869.0 | 28 | 56.0 | 784 | 26.0 |
| Normal | 13 992.0 | 22 | 44.0 | 2237 | 74.0 |