. Author manuscript; available in PMC: 2014 May 23.

Published in final edited form as: Heart Lung. 2013 Sep 20;42(6):465–472. doi: 10.1016/j.hrtlng.2013.08.008

Table 3.

Outcome variables for the total sample and differences in outcome variables among two subgroups.

Outcome variable (possible score range)	All sample (N = 596)	Subgroup 1	Subgroup 2

		All low (n = 494, 82.9%)	All high (n = 102, 17.1%)

	Mean ± SD	Mean ± SD	Mean ± SD
Physical functioning in MOS-36 (0–100)	21.40 ± 16.64	23.03 ± 16.28^*	13.53 ± 16.16
Social functioning in MOS-36 (0–100)	60.86 ± 27.60	65.26 ± 26.13^*	39.58 ± 24.51
General health in MOS-36 (0–100)	37.63 ± 19.49	40.26 ± 19.47^*	27.85 ± 13.71
Peak workload on cycle ergometer (watt)	36.01 ± 20.88	37.26 ± 20.86^*	29.89 ± 19.98
6 min walk distance (feet)	1100.99 ± 306.00	1122.89 ± 301.16^*	992.16 ± 308.11
Time spent for lower extremity physical activity (min)	106.42 ± 69.11	108.05 ± 67.97	98.21 ± 74.43

MOS-36; Medical Outcomes Study 36-Item Short Form Health Survey.

Higher score in MOS-36 means better functioning and general health.

p < .05.