Table 1.
Patient Characteristics
| Demographic Data | Mean (sd) | Range |
|---|---|---|
| Age | 60.8 (12.2) | 21 – 80 |
| Number | Percent | |
| Gender | ||
| Female | 60 | 74.1 |
| Male | 21 | 25.9 |
| Country of origin | ||
| DR | 74 | 96.1 |
| Other country | 3 | 3.9 |
| Socioeconomic Characteristics | ||
| Marital status | ||
| Single | 25 | 31.6 |
| Married | 28 | 35.4 |
| Divorced or separated | 11 | 14.0 |
| Widower | 15 | 19.0 |
| Living situation | ||
| Alone | 5 | 6.3 |
| with spouse and/or other family | 30 | 38.0 |
| with friends | 2 | 2.5 |
| with children (no spouse) | 41 | 51.9 |
| Work status | ||
| Working | 17 | 21.3 |
| Not working | 63 | 78.8 |
| Education | ||
| Less than secondary school | 23 | 29.9 |
| Secondary school, but did not graduate | 29 | 37.7 |
| Graduated from secondary school | 13 | 16.9 |
| Post secondary school + | 12 | 15.6 |
| Joint Replaced | ||
| Knee | ||
| Unliteral | 34 | 42.0 |
| Bilateral | 21 | 25.9 |
| Hip | ||
| Unilateral | 20 | 24.7 |
| Bilateral | 6 | 7.4 |
| Perception of Total Joint Replacement | ||
| Perception that surgery has a >90% chance of relieving pain | 66 | 85.7 |
| Perception that the probability of experiencing a major surgical complication is <1% | 51 | 68.0 |
| Pre-operative scores | Mean | Sd |
| WOMAC* pain | 38.4 | 22.9 |
| WOMAC* stiffness | 34.3 | 26.5 |
| WOMAC* function | 33.6 | 22.0 |
| SF-36* mental health | 76.0 | 17.6 |
| SF-36* physical function | 16.5 | 16.1 |
| Number | Percent | |
| Self-rated health | ||
| Excellent | 12 | 15.4 |
| Very Good | 14 | 17.9 |
| Good | 16 | 20.5 |
| Fair | 30 | 38.5 |
| Poor | 6 | 7.7 |
*
(0-100, 100=best).