Table 1.

Participants characteristics (n = 103)

Sex, male, n (%)	35 (34.0%)
Age, mean (95%CI)	81.3 years (79.8 to 82.8)
Height, mean (95%CI)	164.0 cm (162.2 to 165.9)
Body mass index, mean (95%CI)	28.0 kg/m [2] (27.0 to 29.0)
Self-paced meters walked in 6 min, mean (95%CI)	255.0 m (238.5 to 271.4)
Self-paced speed over the 6 min, mean (95%CI)	2.6 km/t (2.4 to 2.7)
Walking without aid, n (%)	52 (50.5%)
Walking with a cane, n (%)	15 (14.5%)
Walking with a rollator, n (%)	36 (35.0%)
Never smoked, n (%)	44 (42.7%)
Stopped smoking, n (%)	48 (46.6%)
Current smoker, n (%)	11 (10.7%)

Abbreviations: 95%CI: 95% Confidence interval; IQR Interquartile Range

Normal distributed continuous data: Age, Height, Body Mass Index, Meters walked in 6 min, Self-paced speed over the 6 min