|  | Mean (SD) |  |
---|---|---|---|
Age | Â | 69.1 (10.1) | Â |
 |  | N | (%) |
Sex | |||
 Women |  | 974 | (62.2%) |
 Men |  | 591 | (37.8%) |
Education | |||
 Compulsory school |  | 479 | (31.2%) |
 More than compulsory school (A-levels, apprenticeship, university) |  | 1058 | (68.8%) |
Missing | Â | 28 | Â |
Employment status | |||
 Full-time or part-time |  | 293 | 18.9% |
 Retired |  | 730 | 47.1% |
 Homemaker |  | 448 | 28.9% |
 Other |  | 51 | 5.1% |
 Missing |  | 16 |  |
Smoking | |||
 No |  | 1277 | (82.6%) |
 Yes |  | 269 | (17.4%) |
 Missing |  | 19 |  |
Side of implant | |||
 Left |  | 748 | (47.8%) |
 Right |  | 817 | (52.2%) |
BMI (%) | |||
  ≤ 24.99 | normal weight | 332 | (21.2%) |
 25.00–29.99 | pre-obesity | 578 | (36.9%) |
 30.00–34.99 | class I obesity | 423 | (27.0%) |
 35.00–39.99 | class II obesity | 160 | (10.2%) |
  ≥ 40.00 | class III obesity | 72 | (4.6%) |
Computer navigation | |||
 Yes |  | 931 | 61.0% |
 Noa |  | 595 | 39.0% |
 Missing |  | 39 |  |