Table 1 Participants’ characteristics (Bus Santé, N = 4313, Geneva, Switzerland), overall and by survey year
| Â | Period or survey year | Â | |||||
|---|---|---|---|---|---|---|---|
Characteristics | 2007–2012 | 2007/8 | 2009 | 2010 | 2011 | 2012 | P value |
Number of participants | 4313 | 740 | 1006 | 944 | 883 | 740 | Â |
Mean age (SD) | 51.9 (10.9) | 51.6 (11.0) | 51.5 (10.8) | 52.3 (11.1) | 51.5 (10.8) | 52.7 (11.1) | 0.11 |
Age category N (%) | Â | Â | Â | Â | Â | Â | 0.11 |
 Age <45y | 1371 (31.8) | 246 (33.2) | 330 (32.8) | 293 (31.0) | 290 (32.8) | 212 (28.6) |  |
 Age 45–64y | 2219 (51.4) | 384 (51.9) | 525 (52.2) | 476 (50.4) | 451 (51.1) | 383 (51.8) |  |
 Age ≥65y | 723 (16.8) | 110 (14.9) | 151 (15.0) | 175 (18.5) | 142 (16.1) | 145 (19.6) |  |
Female gender N (%) | 2155 (50.0) | 358 (48.4) | 517 (51.4) | 470 (49.8) | 448 (50.7) | 362 (48.9) | 0.72 |
High education level N (%) | 1941 (45.0) | 327 (44.2) | 418 (41.6) | 411 (43.5) | 413 (46.8) | 372 (50.3) | 0.004 |
Household monthly income N (%) | Â | Â | Â | Â | Â | Â | 0.33 |
 <3,000CHF | 276 (6.40) | 42 (5.7) | 58 (5.8) | 72 (7.6) | 54 (6.1) | 50 (6.8) |  |
 3,000–4,999CHF | 644 (14.9) | 103 (13.9) | 158 (15.7) | 142 (15.0) | 126 (14.2) | 115 (15.5) |  |
 5,000–6,999CHF | 792 (18.4) | 146 (19.7) | 172 (17.1) | 172 (18.2) | 171 (19.4) | 131 (17.7) |  |
 7,000–9,499CHF | 920 (21.3) | 162 (21.9) | 228 (22.7) | 214 (22.7) | 174 (19.7) | 142 (19.2) |  |
 9,500–12,999CHF | 834 (19.3) | 143 (19.3) | 193 (19.2) | 176 (18.6) | 158 (17.9) | 164 (22.2) |  |
 ≥13,000CHF | 847 (19.6) | 144 (19.5) | 197 (19.6) | 168 (17.8) | 200 (22.6) | 138 (18.6) |  |
Swiss citizenship N (%) | 3002 (69.6) | 541 (73.1) | 693 (68.9) | 653 (69.2) | 612 (69.3) | 503 (68.0) | 0.23 |
Current smokers N (%) | 906 (21.0) | 160 (21.6) | 227 (22.6) | 192 (20.3) | 178 (20.2) | 149 (20.1) | 0.62 |
Independent/non-manual N (%) | 2377 (55.1) | 408 (55.1) | 526 (52.3) | 521 (55.2) | 505 (57.2) | 417 (56.3) | 0.26 |
Having dependent children (<15y) at home N (%) | 1431 (33.2) | 223 (30.1) | 356 (35.4) | 307 (32.5) | 297 (33.6) | 248 (33.5) | 0.23 |
Marital status N (%) | Â | Â | Â | Â | Â | Â | 0.36 |
 Single | 450 (10.4) | 83 (11.2) | 99 (9.0) | 106 (11.2) | 78 (8.8) | 84 (11.3) |  |
 Married or in a relationship | 2815 (65.3) | 486 (65.7) | 675 (67.1) | 617 (65.4) | 569 (64.4) | 468 (63.2) |  |
 Divorced, not in a relationship | 671 (15.6) | 120 (16.2) | 154 (15.3) | 139 (14.7) | 146 (16.5) | 112 (15.1) |  |
 Divorced, in a relationship | 112 (2.6) | 16 (2.2) | 26 (2.6) | 23 (2.4) | 26 (2.9) | 21 (2.8) |  |
 Widow/er, not in a relationship | 242 (5.6) | 28 (3.8) | 50 (5.0) | 54 (5.7) | 60 (6.8) | 50 (6.8) |  |
 Widow/er, in a relationship | 23 (0.5) | 7 (0.9) | 2 (0.2) | 5 (0.8) | 4 (0.45) | 5 (0.7) |  |
Supplementary health insurance status N (%) | 1938 (44.9) | 312 (42.2) | 442 (43.9) | 423 (44.8) | 415 (47.0) | 346 (46.8) | 0.26 |
Premium cost subsidized N (%) | 632 (14.6) | 106 (14.3) | 135 (13.4) | 133 (14.1) | 145 (16.4) | 113 (15.3) | 0.41 |