Descriptive statistics of people included in the study and those who did not want to participate
| Included | Not participating | p Values | |
|---|---|---|---|
| Number of participants | 1567 | 1361 | |
| Age (years) | 72 | 73 | <0.01 |
| Height (cm) | 172 (9) | 171 (9) | <0.05 |
| Weight (kg) | 75 (13) | 76 (14) | NS |
| College/university education (%) (SD) | 50 | 32 | <0.01 |
| Current smoker (%) | 9 | 12 | <0.01 |
| Self-reported health (%) | <0.01 | ||
| Poor | 13 | 34 | |
| Good | 87 | 66 | |
| Self-reported diseases (%) | |||
| Myocardial infarction | 5 | 11 | <0.01 |
| Angina pectoris | 3 | 7 | <0.01 |
| Heart failure | 0.7 | 3 | <0.01 |
| Atrial fibrillation | 6 | 12 | <0.01 |
| Diabetes mellitus | 5 | 11 | <0.01 |
| Cancer | 16 | 19 | NS |
| Mental health problems | 9 | 11 | NS |
| Living condition, percentage of participants | <0.05 | ||
| Per cent living alone | 25 | 29 | |
| Per cent living with others | 75 | 71 | |
| PA, percentage of participants | |||
| Low | 9 | 16 | <0.01 |
| Moderate | 69 | 58 | <0.01 |
| High | 22 | 26 | <0.05 |
High, almost every day; low, less than once a week; moderate, 1–3 times per week; NS, non-significant (>0.05); PA, physical activity.