Variables | n (%) | Mean (SD) | Variables | n (%) | Mean (SD) |
---|---|---|---|---|---|
Demographics | Clinical characteristics | ||||
Age (years) | 67 (9.3) | Diagnosis | |||
Osteoarthritis | 133 (96) | ||||
Gender | Rheumatoid arthritis | 5 (4) | |||
Female | 91 (66) | BMI ‡ (kg/m2) | 31.2 (6.2) | ||
Marital status | Comorbidities ( /56) | 6.5 (2.2) | |||
Single, separated, divorced or widowed | 51 (37) | Duration of knee symptoms before enrolment (years) § (years) | 8.2 (8.3) | ||
Married or common law | 87 (63) | Contralateral knee pain ∣∣ | 100 (72) | ||
Use of a walking aid before surgery | 52 (38) | ||||
Living alone | 33 (24) | Surgical characteristics | |||
Implant type | |||||
Socioeconomic characteristics | Postero-stabilized | 108 (78) | |||
Educational level (part or complete) | Cruciate retaining | 30 (22) | |||
High school or less | 77 (56) | Implant fixation | |||
College or university | 61 (44) | Cementless | 4 (3) | ||
Employment status | Hybrid | 2 (1) | |||
Unemployed or retired | 108 (78) | Cemented | 132 (96) | ||
Employed | 30 (22) | Implant bearing type | |||
Household income * | Mobile | 4 (3) | |||
< $30 000 / year | 48 (35) | Fixed | 134 (97) | ||
$30 000 - $59 999/ year | 42 (30) | Patella resurfacing | 129 (93) | ||
≥ $60 000/ year | 32 (23) | Number of in-hospital complications ¶ | |||
0 | 103 (77) | ||||
Psychosocial characteristics | 1 | 34 (24) | |||
Psychological distress (/42) | 7.1 (6.3) | ≥2 | 9 (7) | ||
Social support † | Health services utilization | ||||
Low | 66 (48) | Hospital length of stay (days) | 7.1 (2.9) | ||
High | 72 (52) | Discharged directly home | 120 (87) | ||
Post-surgery community physiotherapy(hours) | 14.7 (18.3) |