Characteristic | Â | Total | Males | Females | Non-smokers | Smokers | Former smokers |
---|---|---|---|---|---|---|---|
 |  | (mean age 46.600 yrs SD 17.700) | (mean age 45.400 yrs SD 17.300) | (mean age 47.800 yrs SD 18.000) |  |  |  |
Number of subjects | 2065 | 1014 | 1051 | 1155 | 562 | 348 | |
 | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
Age, years | 18–29 yrs. | 430 (20.800) | 226 (22.300) | 204 (19.400) | 263 (22.800)** | 127 (22.600) | 40 (11.500) |
30–44 yrs. | 557 (27.000) | 284 (28.000) | 273 (26.000) | 317 (27.500) | 169 (30.100) | 71 (20.400)** | |
45–59 yrs. | 546 (26.400) | 268 (26.400) | 278 (26.500) | 251 (21.700) | 178 (31.700)** | 117 (33.600)** | |
≥60 yrs. | 532 (25.800) | 236 (23.300) | 296 (28.200) | 324 (28.100)** | 88 (15.500) | 120 (34.500)** | |
Highest education achieved | Without A-level | 1203 (58.300) | 611 (60.200) | 592 (56.300) | 645 (55.900) | 361 (64.200)** | 197 (56.600) |
With A-level | 652 (31.600) | 293 (28.900) | 359 (34.200)** | 385 (33.300)** | 156 (27.800) | 110 (31.900) | |
University | 203 (9.800) | 107 (10.600) | 96 (9.100) | 119 (10.300) | 45 (8.000) | 39 (11.200) | |
N/A | 7 (0.300) | 3 (0.300) | 4 (0.400) | 6 (0.500) | 0 (0.000) | 1 (0.300) | |
BMI category (kg/m-2) | Underweight (<18.500) | 40 (1.900) | 7 (0.700) | 33 (3.100)** | 29 (2.500)** | 8 (1.400) | 3 (0.900) |
Normal weight (18.500–24.999) | 886 (43.000) | 385 (38.000) | 501 (47.700)** | 520 (45.100)** | 258 (45.900) | 108 (31.000) | |
Overweight (25.000–29.999) | 701 (33.900) | 406 (40.000)** | 295 (28.100) | 378 (32.700) | 183 (32.600) | 140 (40.200)** | |
Obese (≥30.000) | 438 (21.200) | 216 (21.300) | 222 (21.100) | 227 (19.700) | 113 (20.100) | 97 (27.900)** | |
Blood pressure | Yes | 461 (22.300) | 217 (21.400) | 244 (23.200) | 266 (23.000) | 90 (16.000)** | 105 (30.200) |
 | No | 1604 (77.700) | 797 (78.600) | 807 (76.800) | 888 (76.900) | 474 (84.200) | 242 (69.500) |
Smoking status | Non-smoker | 1155 (55.900) | 475 (46.800) | 680 (64.700)** | X | x | x |
Smoker | 562 (27.200) | 335 (33.200)** | 227 (21.500) | X | x | x | |
Former smoker | 348 (16.900) | 203 (20.000)** | 145 (13.800) | X | x | x |