Table 1 Characteristics of the study participants at enrolment on the waiting lists for total knee replacement (n = 197)
Variables | n (%) | Mean (SD) |
|---|---|---|
Demographics | ||
Age (years) | 67 (9.8) | |
Gender | ||
Female | 126 (64) | |
Male | 71 (36) | |
Marital status | ||
Single, separated, divorced or widowed | 72 (37) | |
Married or common law | 125 (63) | |
Living situation | ||
Living alone | 45 (23) | |
Not living alone | 152 (77) | |
Clinical characteristics | ||
BMI* (kg/m2) | 31.0 (6.3) | |
Comorbidities** (/56) | 6.2 (2.3) | |
Duration of symptoms (years) | 8.5 (8.8) | |
Contralateral knee pain † | ||
Yes | 53 (27) | |
No | 144 (73) | |
Use of a walking aid | ||
Yes | 74 (38) | |
No | 123 (62) | |
Socioeconomic characteristics | ||
Educational level (part or complete) | ||
High school or less | 112 (57) | |
College or university | 85 (43) | |
Employment status | ||
Retired | 128 (65) | |
Employed | 39 (20) | |
Not working or sickness benefit | 30 (15) | |
Household income ‡ | ||
< $30 000/year | 61 (36) | |
≥ $30 000/year | 107 (64) | |
Psychosocial characteristics | ||
Psychological distress (/42) | 6.9 (6.5) | |
Social support § | ||
Low | 92 (47) | |
High | 105(53) |