Table 3.
Association between education and incident cardiovascular disease in women after 14-year follow-up
| Women (n = 800 782) | PY | Cases per 10 000 PY | Model 1 | Model 2 | % excess risk explained | Model 3 | % excess risk explained | Model 4 | % excess risk explained |
|---|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||||||
| Incident all CVD | |||||||||
| High education (reference) | 3 625 947 | 16 | 1.00 | 1.00 | 1.00 | 1.00 | |||
| Medium education | 4 640 954 | 22 | 1.35 (1.30–1.39) | 1.30 (1.25–1.34) | 14% | 1.32 (1.27–1.36) | 8% | 1.28 (1.24–1.33) | 19% |
| Low education | 2 424 498 | 32 | 1.66 (1.61–1.72) | 1.56 (1.51–1.62) | 16% | 1.60 (1.54–1.66) | 10% | 1.53 (1.47–1.58) | 21% |
| Missing education | 85 117 | 30 | 1.52 (1.34–1.72) | 1.45 (1.28–1.64) | 13% | 1.47 (1.29–1.66) | 10% | 1.42 (1.25–1.61) | 19% |
| Incident CHD | |||||||||
| High education (reference) | 3 647 030 | 5 | 1.00 | 1.00 | 1.00 | 1.00 | |||
| Medium education | 4 676 704 | 7 | 1.46 (1.38–1.55) | 1.38 (1.31–1.47) | 17% | 1.43 (1.35–1.52) | 6% | 1.37 (1.29–1.46) | 19% |
| Low education | 2 450 336 | 12 | 1.98 (1.86–2.10) | 1.81 (1.70–1.92) | 17% | 1.91 (1.79–2.03) | 7% | 1.78 (1.67–1.90) | 20% |
| Missing education | 85 811 | 11 | 1.68 (1.36–2.07) | 1.57 (1.27–1.95) | 15% | 1.63 (1.32–2.01) | 8% | 1.55 (1.25–1.91) | 19% |
| Incident CBD | |||||||||
| High education (reference) | 3 634 108 | 11 | 1.00 | 1.00 | 1.00 | 1.00 | |||
| Medium education | 4 656 933 | 15 | 1.30 (1.25–1.35) | 1.26 (1.21–1.31) | 13% | 1.27 (1.22–1.32) | 10% | 1.24 (1.19–1.29) | 19% |
| Low education | 2 437 708 | 21 | 1.53 (1.47–1.60) | 1.46 (1.40–1.52) | 14% | 1.47 (1.41–1.54) | 12% | 1.42 (1.36–1.48) | 21% |
| Missing education | 85 514 | 20 | 1.40 (1.20–1.64) | 1.35 (1.16–1.58) | 12% | 1.33 (1.16–1.58) | 19% | 1.32 (1.13–1.54) | 21% |
Model 1: Adjusted for age, migration background, family type, and health services use. Model 2: Adjusted for covariates in Model 1 plus income. Model 3: Adjusted for covariates in Model 1 plus job strain. Model 4: Adjusted for covariates in Model 1 plus income and job strain.
CBD, cerebrovascular disease; CHD, coronary heart disease; CI, confidence interval; CVD, cardiovascular disease; HR, hazard ratio; PY, person-years.