Subject characteristics of participants in group I (test-retest reproducibility), group II (concurrent validity) and group III (construct validity) used for examination of the measurement properties of the Danish WOSI questionnaire
| Variables | Group I (n=41) | Group II (n=25) | Group III (n=62) |
| Sex (women/men) | 12/29 | 9/16 | 22/40 |
| Age (years), median (range) | 37 (18–57) | 34 (18–72) | 31 (18–72) |
| Weight (kg), mean (SD) | 87.1 (18.1) | 86.2 (16.2) | 82.5 (17.7) |
| Height (cm), mean (SD) | 181.1 (8.8) | 181.0 (8.0) | 178.8 (10.0) |
| Employment, n (%) | |||
| Full-time | 24 (59) | 18 (72) | 35 (55) |
| Part-time | 2 (5) | – | 2 (3) |
| Student | 10 (24) | 5 (20) | 14 (24) |
| Unemployed/retired | 3 (7) | 1 (4) | 6 (10) |
| Sick leave | 2 (5) | 1 (4) | 5 (8) |
| Dominant arm (left/right) | 4/38 | 3/22 | 34/28 |
| Injured side (left/right) | 20/21 | 12/13 | 4/58 |
| Injury mechanism, n (%) | |||
| Fall on the arm | 22 (53) | 14 (56) | 30 (48) |
| Pulling of the arm | 8 (19) | 4 (16) | 14 (22) |
| Direct external force | 1 (2) | – | 2 (3) |
| Other | 10 (26) | 7 (28) | 16 (27) |
| Previous shoulder dislocation, yes (%) | 33 (79) | 21 (84) | 53 (84) |
| Previous shoulder surgery, yes (%) | 28 (68) | 18 (72) | 41 (65) |
| NPRS, latest 24 hours (0–10), mean (SD) | 2.41 (2.8) | 1.64 (2.1) | 2.58 (2.8) |
| OSS (12–60), mean (SD) | 21.1 (9.4) | 19.0 (7.8) | 21.9 (10.1) |
| WOSI total score e (1) (0–2100), mean (SD) | 735.0 (596.5) | 481.8 (414.4) | 766.3 (568.4) |
| Completion of electronic WOSI, n (%) | |||
| Computer | 28 (68) | 17 (68) | 37 (59) |
| Tablet | 3 (7) | 2 (8) | 6 (10) |
| Mobile | 10 (25) | 6 (24) | 19 (31) |
CM, centimetre; e (1), first electronic completion; OSS, Oxford Shoulder Score; WOSI, Western Ontario Shoulder Instability.