Table 1.

Description of the study population

Included participants, N	1289
Women, N (%)	565 (43.8%)
Age in years (Mean (SD))	75.4 (6.5)
Marital status, N (%):
Married	842 (65.4%)
Single	49 (3.8%)
Divorced/separated	85 (6.6%)
Widowed	311 (24.2%)
Education level, N (%):
Lower education (< 10 years)	727 (57.1%)
Higher education (≥10 years)	546 (42.9%)
Functional comorbidity index (Mean (SD))	2.6 (1.7)
Gait speed in m/s (Mean (SD))	1.0 (0.3)
Lubben social network scale: isolated N (%)	332 (25.9%)
Included days, N	7243
Time out-of-home per day in minutes (Mean (SD))	227.0 (170.9)
Walking duration per day in minutes (Mean (SD))	104.0 (49.4)
Walking duration per day in minutes stratified by the frequency of leaving home per day (Mean (SD))
- Did not leave home (Mean (SD))	49.3 (30.3)
- Once (Mean (SD))	90.3 (43.5)
- Twice (Mean (SD))	110.5 (44.0)
- 3 times (Mean (SD))	125.7 (47.7)
- 4 times (Mean (SD))	141.6 (49.6)
Daily maximum temperature in °C (Mean (SD))	12.2 (9.7)
Daily rain in mm/hour (Mean (SD))	1.9 (4.3)

SD standard deviation