Cox regression derived hazard ratios for deaths from coronary heart disease (and 95% confidence intervals), by the indicated predictor variables (three villages in Greece, 1981 to 1996)
| Variables | Increment/category | Men (coronary deaths: 34) | Women (coronary deaths: 33) | ||
|---|---|---|---|---|---|
| Hazard ratio | 95% CI | Hazard ratio | 95% CI | ||
| *Lower educational level representing up to six years of schooling for men and illiteracy for women. | |||||
| Age | 10 years | 3.29 | 2.10, 5.14 | 5.88 | 3.33, 10.38 |
| Village | B1+B2 (sea level) | 1.00 (reference) | 1.00 (reference) | ||
| A (950 m) | 0.39 | 0.16, 0.98 | 0.46 | 0.20, 1.05 | |
| Educational level | Lower* | 1.00 (reference) | 1.00 (reference) | ||
| Higher | 1.03 | 0.49, 2.17 | 2.48 | 1.07, 5.74 | |
| Body weight | 1 kg | 1.01 | 0.98, 1.04 | 0.99 | 0.96, 1.02 |
| Tobacco smoking | never smoker | 1.00 (reference) | not included (only seven smokers) | ||
| ever smoker | 2.48 | 1.20, 5.10 | |||
| Alcohol consumption | none | 1.00 (reference) | 1.00 (reference) | ||
| moderate (⩽2 glasses/day) | 0.66 | 0.29, 1.48 | 0.68 | 0.26, 1.76 | |
| High (>2 glasses/day) | 0.99 | 0.37, 2.67 | not included (only one heavy drinker) | ||
| Systolic blood pressure | 10 mm Hg | 1.18 | 0.99, 1.40 | 0.97 | 0.83, 1.12 |
| Blood glucose | 10 mg/100 ml | 1.09 | 1.01, 1.18 | 1.18 | 1.10, 1.26 |
| Total serum cholesterol | 10 mg/100 ml | 1.05 | 0.97, 1.15 | 1.01 | 0.92, 1.10 |
| Serum uric acid | 1 mg/100 ml | 1.23 | 0.99, 1.52 | 1.28 | 1.01, 1.63 |
| Serum triglycerides | 10 mg/100 ml | 0.96 | 0.90, 1.02 | 0.98 | 0.92, 1.05 |