Table 5.
Adjusted odds ratios and 95% confidence intervals for myocardial infarction and stroke prevalence.
| Characteristics | Self-reported | Cotinine-verified | Survey-cotinine verified |
|---|---|---|---|
| Sex | |||
| Male | 1.70 (1.26–2.27) | 2.39 (1.93–2.94) | 1.78 (1.35–2.35) |
| Female | Reference | Reference | Reference |
| Age | |||
| < 50 | Reference | Reference | Reference |
| 50–59 | 4.88 (3.12–7.65) | 4.89 (3.11–7.69 | 4.84 (3.09–7.59) |
| 60–69 | 8.52 (5.41–13.44) | 8.52 (5.38–13.48) | 8.42 (5.33–13.30) |
| ≥ 70 | 9.81 (6.05–15.92) | 9.78 (6.01–15.92) | 9.64 (5.93–15.67) |
| Marital status | |||
| Married | Reference | Reference | Reference |
| Single (separated or divorced) | 0.97 (0.73–1.28) | 0.99 (0.75–1.30) | 0.97 (0.74–1.28) |
| Never-married | 0.75 (0.36–1.54) | 0.69 (0.34–1.43) | 0.74 (0.36–1.52) |
| Employment status | |||
| Employed | Reference | Reference | Reference |
| Unemployed | 1.90 (1.55–2.33) | 1.93 (0.57–2.38) | 1.90 (1.55–2.34) |
| Education | |||
| < High school | 1.78 (1.29–2.45) | 1.80 (1.30–2.48) | 1.79 (1.30–2.47) |
| High school | 1.36 (0.96–1.93) | 1.38 (0.98–1.94) | 1.37 (0.97–1.93) |
| > High school | Reference | Reference | Reference |
| Monthly family income | |||
| < 25th | 1.69 (1.24–2.30) | 1.70 (1.25–2.32) | 1.70 (1.25–2.32) |
| 25–50th | 1.25 (0.91–1.72) | 1.25 (0.91–1.72) | 1.25 (0.91–1.72) |
| 50–75th | 1.27 (0.92–1.76) | 1.28 (0.93–1.77) | 1.27 (0.92–1.76) |
| ≥ 75th | Reference | Reference | Reference |
| Number of household members | |||
| 1 | 0.94 (0.65–1.37) | 0.95 (0.65–1.38) | 0.94 (0.65–1.38) |
| 2 | 0.95 (0.68–1.32) | 0.96 (0.69–1.34) | 0.95 (0.68–1.33) |
| 3 | 0.82 (0.58–1.17) | 0.82 (0.58–1.18) | 0.82 (0.58–1.18) |
| 4 | 0.82 (0.56–1.20) | 0.82 (0.56–1.20) | 0.82 (0.56–1.21) |
| ≥ 5 | Reference | Reference | Reference |
| Residence area | |||
| Urban | Reference | Reference | Reference |
| Rural | 1.13 (0.91–1.40) | 1.12 (0.90–1.39) | 1.13 (0.91–1.40) |
| Smoking status | |||
| Self-reported | |||
| Non-smoker | Reference | – | – |
| Ex-smoker | 1.62 (1.20–2.19) | – | – |
| Smoker | 1.25 (0.92–1.70) | – | – |
| Cotinine-verified | |||
| Non-smoker | – | Reference | – |
| Smoker | – | 0.88 (0.69–1.11) | – |
| Survey-cotinine verified | |||
| Non-smoker | – | – | Reference |
| Ex-smoker | – | – | 1.57 (1.16–2.12) |
| Smoker | – | – | 1.15 (0.87–1.53) |
| Body mass index | |||
| < 23 | Reference | Reference | Reference |
| 23–25 | 1.10 (1.20–2.19) | 1.10 (0.87–1.40) | 1.10 (0.86–1.40) |
| ≥ 25 | 1.25 (0.92–1.70) | 1.24 (0.99–1.56) | 1.24 (0.99–1.56) |
| Hypertension | |||
| No | Reference | Reference | Reference |
| Yes | 2.06 (1.69–2.50) | 2.05 (1.69–2.50) | 2.05 (1.69–2.49) |
| Diabetes | |||
| No | Reference | Reference | Reference |
| Yes | 1.85 (1.52–2.25) | 1.86 (1.53–2.27) | 1.85 (1.52–2.26) |
Adjusted for sex, age, marital status, employment status, education level, monthly family income, number of household members, residence area, smoking status, body mass index, hypertension and diabetes.