Table 1 Comparison of demographic and baseline characteristics
Characteristic | Baseline and preadmission data (n= 134*) | Baseline data only (n= 194*) | p |
|---|---|---|---|
Age in years: median (IQR) | 67 (61-75) | 68 (61-75) | 0.87†|
Female: number (%) | 79 (59) | 108 (56) | 0.56‡ |
Waiting for TKR: number (%) | 69 (52) | 110 (57) | 0.35‡ |
Married or living with partner: number (%) | 85 (64) | 114 (59) | 0.35‡ |
Highest educational level completed: number (%) |  |  | 0.50‡ |
   Primary school or less | 41 (31) | 52 (27) |  |
   Years 7-10 | 51 (39) | 77 (40) |  |
   Years 11-12 | 25 (19) | 31 (16) |  |
   Trade/technical/university | 15 (11) | 32 (17) |  |
Employment status: number (%) |  |  | 0.25‡ |
   Retired/receiving aged pension | 92 (70) | 141 (73) |  |
   Not in paid work | 28 (21) | 29 (15) |  |
   Paid work | 11 (8) | 23 (12) |  |
Income: number (%) |  |  | 0.52‡ |
   <$AUD 10,000 | 17 (18) | 37 (24) |  |
   $AUD 10,000 - 19,999 | 46 (49) | 68 (44) |  |
   $AUD 20,000 and over | 31 (33) | 48 (31) |  |
Number of co-morbidities: median (IQR) |    1 (0-2) |    1 (0-2) | 0.36†|
Baseline AQoL score: mean (SD) |    0.42 (0.23) |    0.39 (0.26) | 0.35# |
Baseline WOMAC score: mean (SD) | 59.8 (18.4) | 58.8 (18.5) | 0.64# |
Baseline K10 score: median (IQR) | 18.0 (14.0-25.0) | 19.0 (14.0-27.0) | 0.52†|