Table 1 Participants characteristics for the analysis population

Included observed days (total), n

15,392

6655

8737

- At baseline, n

7016

3130

3886

- At follow-up 1, n

4844

2068

2776

- At follow-up 2, n

3532

1457

2075

Days not spent out-of-home, n (%)

2862 (18.6%)

1158 (17.4%)

1704 (19.5%)

- No. of participants (%)

1005 (75.6%)

432 (73.2%)

573 (77.5%)

Age (years), mean (SD)

77.1 (6.4)

77.2 (6.4)

77.0 (6.3)

- At baseline, mean (SD)

75.4 (6.5)

75.5 (6.5)

75.2 (6.5)

- At follow-up 1, mean (SD)

77.2 (6.1)

77.5 (6.2)

77.0 (6.0)

- At follow-up 2, mean (SD)

80.3 (5.1)

80.3 (5.2)

80.2 (5.0)

Lower education, n (%)

741 (56.5%)

334 (57.3%)

407 (55.8%)

BMI (kg/m²), mean (SD)

27.6 (4.1)

27.5 (4.1)

27.4 (4.1)

Hypertension, n (%)

659 (53.3%)

292 (52.8%)

367 (53.7%)

Myocardial infarction, n (%)

116 (9.4%)

48 (8.7%)

68 (9.9%)

Stroke, n (%)

62 (5.0%)

30 (5.4%)

32 (4.7%)

Diabetes, n (%)

170 (13.7%)

79 (14.3%)

91 (13.3%)

Daily walking duration (min), mean (SD)

100.9 (48.7)

103.4 (48.2)

99.0 (49.0)

Daily time out-of-home (min), mean (SD)

197.0 (165.1)

198.3 (161.6)

196.0 (167.8)

Daily maximum temperature (°C), mean (SD) [Min-Max]

12.6 (9.7) [−8.5–35.00]

Daily solar radiation (kWh/m²), mean (SD) [Min-Max]

3331 (2,402) [127–9,488]

Daily hours of sunshine, mean (SD) [Min-Max]

5.6 (4.6) [0.0–16.5]

Daily rain (mm/h), mean (SD) [Min-Max]

2.0 (4.4) [0.0–45.5]

Daily humidity (%), mean (SD) [Min-Max]

86.0 (9.2) [53.8–93.6]

Daily windspeed (m/s), mean (SD) [Min-Max]

1.5 (1.0) [0.0–6.0]