Table 3.
Risk of death in quartiles of the healthy Nordic diet score
| Quartile of the healthy Nordic diet score (range) | P-trend | ||||
|---|---|---|---|---|---|
| 1 (2–10) (n = 432) |
2 (11–12) (n = 291) |
3 (13–15) (n = 409) |
4 (16–25) (n = 415) |
||
| Disease death | |||||
| Number of events (% of subjects) | 201 (46.5) | 103 (35.4) | 135 (33.0) | 137 (33.0) | |
| Incidence rate/1000 PY | 20.67 | 15.07 | 13.67 | 13.53 | |
| Model 1 | 1.65 (1.33–2.06) | 1.12 (0.81–1.31) | 1.03 (0.81–1.31) | 1 | < 0.001 |
| Model 2 | 1.27 (1.01–1.59) | 0.97 (0.75–1.26) | 0.95 (0.75–1.21) | 1 | 0.027 |
| CVD death | |||||
| Number of events (% of subjects) | 91 (21.1) | 40 (13.7) | 60 (14.7) | 59 (14.2) | |
| Incidence rate/1000 PY | 9.36 | 5.85 | 6.08 | 5.83 | |
| Model 1 | 1.77 (1.27–2.47) | 1.02 (0.68–1.53) | 1.08 (0.75–1.55) | 1 | 0.001 |
| Model 2 | 1.39 (0.99–1.97) | 0.92 (0.61–1.39) | 0.99 (0.69–1.42) | 1 | 0.049 |
| Cancer death | |||||
| Number of events (% of subjects) | 68 (15.7) | 33 (11.3) | 51 (12.5) | 42 (10.1) | |
| Incidence rate/1000 PY | 6.99 | 4.83 | 5.16 | 4.15 | |
| Model 1 | 1.71 (1.16–2.53) | 1.14 (0.72–1.80) | 1.22 (0.81–1.84) | 1 | 0.007 |
| Model 2 | 1.26 (0.84–1.89) | 0.94 (0.59–1.50) | 1.12 (0.74–1.70) | 1 | 0.316 |
| Other death | |||||
| Number of events (% of subjects) | 42 (9.7) | 30 (10.3) | 24 (5.9) | 36 (8.7) | |
| Incidence rate/1000 PY | 4.32 | 4.39 | 2.43 | 3.56 | |
| Model 1 | 1.38 (0.88–2.18) | 1.28 (0.79–2.08) | 0.73 (0.43–1.23) | 1 | 0.063 |
| Model 2 | 1.04 (0.65–1.68) | 1.06 (0.64–1.74) | 0.67 (0.40–1.13) | 1 | 0.563 |
Model 1 is adjusted for age (years), examination year and energy intake (kcal/day)
Model 2 is adjusted for Model 1 plus pack-years of smoking, body mass index (kg/m2), leisure-time physical activity (kcal/day), education (years), marital status (yes/no) and income (euros/year)
PY person-years