Characteristics of participants with diabetes in CoLaus|PsyCoLaus, Lausanne, Switzerland, 2003–21
| Baseline 2003–6 | First follow-up 2009–12 | Second follow-up 2014–17 | Third follow-up 2018–21 | |
| All participants | 6733 | 5064 | 4894 | 3751 |
| People with diabetes (%) | 436 (6.5) | 539 (10.7) | 498 (10.9) | 383 (11.4) |
| Self-reported diabetes (%) | 284 (65.6) | 329 (61.0) | 392 (79.5) | 274 (73.7) |
| Treated diabetes (%) | 275 (63.1) | 286 (53.1) | 397 (79.7) | 296 (77.3) |
| Men (%) | 294 (67.4) | 371 (68.8) | 320 (64.3) | 239 (62.4) |
| Age group (years) (%) | ||||
| 35–44 | 41 (9.4) | 14 (2.6) | 0 (0) | 0 (0) |
| 45–54 | 80 (18.3) | 92 (17.1) | 51 (10.2) | 32 (8.4) |
| 55–64 | 185 (42.4) | 163 (30.2) | 131 (26.3) | 114 (29.8) |
| 65–75 | 130 (29.8) | 211 (39.1) | 190 (38.2) | 126 (32.9) |
| 75+ | 0 (0) | 59 (10.9) | 126 (25.3) | 111 (29.0) |
| Median age (IQR) | 61.2 (54.0–66.2) | 65.0 (56.7–70.4) | 69.8 (61.3–75.1) | 67.8 (62.0–76.0) |
| Mean age±SD | 59.6±9.2 | 63.7±9.3 | 68.3±9.3 | 68.5±9.1 |
| Caucasians (%) | 407 (93.3) | 501 (92.9) | 464 (93.2) | 339 (88.5) |
| Swiss born (%) | 276 (63.3) | 334 (62.0) | 307 (61.6) | 225 (58.7) |
| Married (%) | 261 (68.9) | 307 (65.5) | 253 (60.7) | 181 (56.7) |
| Currently working (%) | 227 (52.1) | 193 (36.3) | 141 (30.1) | 122 (32.2) |
| At least high school educated (%) | 104 (23.9) | 143 (26.6) | 121 (24.3) | 95 (24.8) |
| Current smokers (%) | 106 (24.3) | 110 (20.5) | 84 (19.1) | 55 (16.4) |
| BMI category (%) | ||||
| Normal weight: BMI <25 kg/m2 | 73 (16.7) | 71 (13.5) | 52 (11.7) | 49 (13.7) |
| Overweight: BMI 25–29.99 kg/m2 | 152 (34.9) | 230 (43.7) | 191 (42.9) | 152 (42.6) |
| Obese >30 kg/m2 | 211 (48.4) | 225 (42.8) | 202 (45.4) | 156 (43.7) |
| Median BMI (IQR) | 29.7 (26.2–33.4) | 29.2 (26.5–32.9) | 29.5 (26.8–32.9) | 29.2 (26.8–32.1) |
| Mean BMI±SD | 30.2±5.7 | 30.0±5.1 | 30.1±4.8 | 29.6±4.9 |
| Abdominal obesity (%) | 273 (62.6) | 357 (67.2) | 317 (71.2) | 253 (70.9) |
Results are expressed as number of participants (percentage) for categorical variables and as mean±SD or median (IQR) for continuous variables.
BMI, body mass index.