. Author manuscript; available in PMC: 2021 Feb 1.

Published in final edited form as: Respir Med. 2020 Jan 11;162:105878. doi: 10.1016/j.rmed.2020.105878

Table 1.

Baseline cohort characteristics by randomization group.

	Pedometer alone	Pedometer + Website	P-value
N	52	57	–
Age	68.7 (7.9)	68.4 (8.7)	0.91
Sex (male)	51 (98.1)	56 (98.3)	1.00
Race (white)	47 (90.4)	53 (93)	0.73
Current smoker	18 (34.6)	22 (38.6)	0.7
Pack-years	61.1 (48.6)	61.9 (33.9)	0.24
FEV₁% predicted	65.2 (21.9)	60.2 (21.1)	0.12
SGRQ	32 (16.2)	34.9 (16.9)	0.60
Ex-SRES	66.5 (21.2)	60.9 (22.8)	0.21
6MWT distance (meters)	394.2 (71.8)	382.5 (89.4)	0.61
Average daily step count	3769.5 (2386.3)	3148.6 (2469.0)	0.12
Average rate of AE (year prior to enrollment)	0.27 (0.63)	0.42 (0.98)	0.33

Data are shown as mean (SD) or n (percent). Significance testing was performed using the Wilcoxon rank sum (continuous) or Chi-square or Fisher’s exact test (categorical) as appropriate.

6MWT = 6- minute walk test; SGRQ = St. George’s Respiratory Questionnaire; Ex-SRES = Exercise Self-Regulatory Efficacy Scale.