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Table 1 Clinical and Demographic Characteristics of Participants.

From: A within-subjects trial to test the equivalence of online and paper outcome measures: the Roland Morris Disability Questionnaire

  Whole sample
(n = 167)
Online then paper
(n = 76)a
Paper then online
(n = 83)
Gender    
Male 60 (35.9%) 23 (30.3%) 35 (42.2%)
Female 90 (53.9%) 43 (56.6%) 42 (50.6%)
Missing data 17 (10.2%) 10 (13.2%) 6 (7.2%)
Age    
Mean
Range
46.28
18 to 78
44.79
19 to 74
46.66
18 to 78
Missing data (n, %) 48 (28.7%) 19 (25%) 27 (32.5%)
Duration of back pain (yrs)    
Mean
Range
9.25
0.02 to 50
8.68
0.04 to 40
9.36
0.02 to 37
Missing data (n, %) 49 (29.3%) 20 (26.3%) 27 (32.5%)
Employment status    
Unemployed 1 (0.6%) 1 (1.3%) 0 (0.0%)
Retired 24 (14.4%) 10 (13.2%) 12 (14.5%)
Employed 66 (39.5%) 30 (39.5%) 32 (38.6%)
In education 16 (9.6%) 9 (11.8%) 7 (8.4%)
Unable to work due to back pain 1 (0.6%) 0 (0.0%) 1 (1.2%)
Other 7 (4.2%) 3 (3.9%) 4 (4.8%)
Missing data (n, %) 52 (31.1%) 23 (30.3%) 27 (32.5%)
  1. a 8 participants did not confirm the order in which they completed the questionnaires and so are excluded from order of completion analyses.