Table 1. Patient Characteristics.
| HIP | University, Higher Vocational Education and Preparatory Higher Vocational & Scientific Education: n = 100 | Middle Vocational Education and Preparatory Middle Vocational Education n = 150 | Lower Vocational Education, Elementary Schooling and No Formal Education n = 156 | All Patients: n = 406 |
| Age | 62.5 (11.9) | 63.8 (10.6) | 66.3 (9.4) | 64.4 (10.6) |
| Males | 51.0% | 34.7% | 35.9% | 39.2% |
| Follow-up period | 3.13 (1.20) | 3.19 (1.10) | 3.17 (1.10) | 3.16 (1.14) |
| Charnley: | ||||
| A | 24.2% | 20.0% | 22.6% | 22.0% |
| B | 12.6% | 17.9% | 11.6% | 14.2% |
| C | 63.2% | 62.1% | 65.8% | 63.7% |
| BMI: | ||||
| <25 | 50.0% | 33.8% | 27.0% | 35.0% |
| 25–30 | 35.1% | 41.2% | 48.0% | 42.4% |
| 30–35 | 12.8% | 20.3% | 19.1% | 18.0% |
| >35 | 2.10% | 4.70% | 5.90% | 4.60% |
| KNEE | n = 42 | n = 98 | n = 122 | n = 262 |
| Age | 63.7 (12.7) | 67.6 (9.0) | 69.2 (9.3) | 67.7 (10.0) |
| Males | 40.5% | 35.7% | 29.5% | 33.6% |
| Follow-up period | 3.25 (1.2) | 3.02 (1.0) | 3.28 (1.2) | 3.18 (1.13) |
| Charnley: | ||||
| A | 14.6% | 14.0% | 11.7% | 13.0% |
| B | 14.6% | 10.8% | 10.0% | 11.0% |
| C | 70.6% | 75.3% | 78.3% | 76.0% |
| BMI: | ||||
| <25 | 23.7% | 13.7% | 15.5% | 16.1% |
| 25–30 | 47.4% | 56.8% | 37.9% | 46.6% |
| 30–35 | 23.7% | 21.1% | 26.7% | 24.1% |
| >35 | 5.30% | 8.40% | 19.8% | 13.3% |
Values are means (SD), unless stated otherwise.