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Participant characteristics
|
Sample (n = 364) |
Participants (n = 88) |
Non-participants (n = 276) |
|
|---|---|---|---|
| Age (years) | Mean (range) | 68 (32–88) | 68 (26–91) |
| Sex | Male | 43 (49%) | (unknown) |
| Female | 45 (51%) | (unknown) | |
| First Language | English | 81 (92%) | 203 (74%) |
| Other than English | 7 (8%) | 73 (26%) | |
| Procedure | Hip replacement | 29 (33%) | (unknown) |
| Knee replacement | 59 (67%) | (unknown) | |
| Dates | Median (range) duration between prospective and retrospective dates (days) | 15 (3 to 64) |
