Table II.
Test–retest reliability of lifestyle risk factors and medical factors.
| Test 1 Mean (SD) | Test 2 Mean (SD) | ICC, 95% CI | κ, 95% CI | |
|---|---|---|---|---|
| Exercise | ||||
| Frequency, times per week | 3.0 (1.5) | 2.9 (1.4) | 0.85 (0.78–0.90) | |
| Exercise sum scorea | 9.2 (1.2) | 9.0 (1.1) | 0.90 (0.85–0.94) | |
| Smoking | ||||
| Current smoking, n (%) | 15 (15) | 15 (15) | 1.0 | |
| Previous smoking, n (%) | 66 (67) | 69 (70) | 0.94 (0.87–1.02) | |
| Never smoked, n (%) | 28 (28) | 25 (25) | 0.87 (0.76–0.98) | |
| Diet | ||||
| Fish >3 times/week, n (%) | 51 (53) | 53 (55) | 0.49 (0.32–0.66) | |
| Fruit/veg ⩾ 2 times/day,b n (%) | 41 (43) | 39 (40) | 0.44 (0.26–0.62) | |
| Alcohol last 4 weeks, n (%) | 81 (84) | 84 (86) | 0.75 (0.56–0.94) | |
| Drug adherence | ||||
| Morisky scale sum score | 7.4 (0.9) | 7.3 (1.0) | 0.74 (0.61–0.83) | |
| Obstructive sleep apnoea | ||||
| Berlin category 1 sumc | 1.59 (1.2) | 1.55 (1.2) | 0.87 (0.80–0.91) | |
| Berlin category 2 sum | 0.45 (0.8) | 0.41 (0.8) | 0.89 (0.83–0.93) |
ICC: intraclass correlation coefficient; κ: Kappa agreement; CI: confidence interval; SD: standard deviation.
a
Exercise sum score, sum of frequency, duration, and intensity.
b
Fruit and/or vegetables at least twice a day.
c
Berlin category 1 sum, snoring, and sleep apnoea; Berlin category 2 sum, tired or exhausted.