Number of cases of first time myocardial infarction and number of controls in occupational categories, adjusted odds ratio estimates for myocardial infarction among occupational categories versus 7th category
| Cases | Controls | Age-district adjusted | Fully adjusted* | |||||
|---|---|---|---|---|---|---|---|---|
| ISCO categories | n | % | n | % | OR | 95% CI | OR | 95% CI |
| *Age, district, smoking, hypertension, stress, obesity, education, employment duration in one model. | ||||||||
| ISCO, International Standard Classification of Occupations; 95% CI, 95% confidence interval. | ||||||||
| 1st | 79 | 17.6 | 175 | 9.9 | 2.18 | 1.59 to 2.99 | 2.18 | 1.50 to 3.16 |
| 2nd | 61 | 13.6 | 193 | 10.9 | 1.49 | 1.06 to 2.09 | 1.50 | 1.01 to 2.22 |
| 3rd | 28 | 6.3 | 147 | 8.3 | 0.90 | 0.58 to 1.40 | 1.09 | 0.68 to 1.75 |
| 4th | 8 | 1.8 | 35 | 1.9 | 1.08 | 0.49 to 2.38 | 1.83 | 0.77 to 4.34 |
| 5th | 6 | 1.3 | 47 | 2.6 | 0.63 | 0.26 to 1.51 | 0.79 | 0.31 to 2.00 |
| 6th | 0 | 3 | 0.2 | – | – | |||
| 7th | 161 | 35.9 | 770 | 43.3 | 1.0 | 1.0 | ||
| 8th | 94 | 21.0 | 317 | 17.8 | 1.39 | 1.05 to 1.86 | 1.39 | 1.02 to 1.89 |
| 9th | 11 | 2.5 | 79 | 4.5 | 0.64 | 0.33 to 1.24 | 0.71 | 0.36 to 1.43 |
| 10th | 0 | 11 | 0.6 | – | – | |||
| All categories | 448 | 100.0 | 1777 | 100.0 | ||||