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. 2017 Nov 23;17:154. doi: 10.1186/s12890-017-0495-2

Table 2.

Summary Statistics for Physical Activity, Activity Space and Other Outcome Measures at Baseline

N Mean ± SD Median (IQR)
Accelerometer Measures
 % Day Sedentary 193 66.2 ± 9.1% 65.5%(59.8-73.0)
 % Day MVPA 193 9.4 ± 5.3% 9.3%(5.3-12.3)
 Steps Per Day 193 7644 ± 2702 7497(5766-9261)
GPS Measures
 SDE (km2) 194 2319.4 ± 13,205.9 86.7(20.2-377.5)
 RNB (km2) 194 44.7 ± 78.9 22.4(11.2-43.6)
Pulmonary Physiology*
 FVC% 154 73.9 ± 15.4 74.0(63.0-83.0)
 DLCO% 142 62.9 ± 14.9 61.5(52.0-74.0)
UCSD Questionnaire 186 25.5 ± 19.5 22.0(9.0-36.0)
FSS Questionnaire 188 32.3 ± 16.1 31.3(18.0-45.5)
LCQ Questionnaire
 Physical 187 5.5 ± 1.1 5.8(4.9-6.5)
 Psychological 187 5.7 ± 1.3 6.1(5.0-6.9)
 Social 184 5.7 ± 1.4 6.3(5.0-6.9)
 Total 184 17.0 ± 3.6 18.2(15.0-19.8)
SF-36
 PF 188 40.2 ± 10.2 40.4(32.0-48.8)
 RP 188 41.2 ± 12.1 42.1(28.0-56.2)
 BP 188 50.0 ± 9.8 50.8(41.8-55.9)
 GH 188 40.1 ± 10.2 39.2(32.2-48.1)
 SF 188 47.8 ± 10.5 51.7(40.9-57.1)
 VT 188 47.4 ± 11.1 49.1(39.6-56.2)
 RE 188 44.9 ± 12.9 55.3(34.3-55.3)
 MH 187 51.3 ± 9.3 55.0(45.9-57.3)
 Physical Composite 187 40.9 ± 9.5 42.0(33.3-47.7)
 Mental Composite 187 50.7 ± 10.7 53.2(43.9-59.7)

Footnote: MVPA = moderate to vigorous physical activity; GPS = global positioning system; SDE = standard deviational ellipse; RNB = road network buffer; FVC% = percent predicted forced vital capacity; DLCO% = percent predicted diffusion capacity of the lung for carbon monoxide; UCSD = University of California San Diego Shortness of Breath Questionnaire; FSS = Fatigue Severity Survey; LCQ = Leicester Cough Questionnaire; SF-36 = Medical Outcomes Study Short-Form 36-item Questionnaire; PF = Physical Functioning; RP = Role Physical; BP = Bodily Pain; GH = General Health; SF = Social Functioning; VT = Vitality; RE = Role Emotional; MH = Mental Health:*performed within 180 days of enrollment