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. 2017 Apr 20;19(4):e124. doi: 10.2196/jmir.6616

Table 2.

Participant characteristics.

Characteristics Interview
(n=28)
Questionnaire
(n=87)
Mean age (SDa) 70.8 (8.3)b 64.0 (8.5)
% of female participants 16 (57%) 59 (69%)c
Nationality UK 28 (100%) 58 (67%)
MRCdbreathlessness grade


1
5 (6%)

2
21 (24%)

3
19 (22%)

4
28 (32%)

5
14 (16%)
≥150 min moderate activity per weeke
39 (65%)

aSD: standard deviation.

bOnly PwCOPD, n=16.

cn=85.

dMRC: Medical Research Council.

en=60.