Table 1 Participant characteristics
| Â | Total group | Males | Females |
|---|---|---|---|
| Â | N (%) | N (%) | N (%) |
Personal characteristics | |||
Sex | |||
  Male | 551 (46.1) | - | - |
  Female | 643 (53.9) | - | - |
Age | |||
  < 45 years | 561 (47.0) | 260 (47.2) | 301 (46.8) |
  ≥ 45 years | 633 (53.0) | 291 (52.8) | 342 (53.2) |
Education | |||
  Up to high school | 292 (26.2) | 130 (25.0) | 162 (27.2) |
  More than high school | 823 (73.8) | 390 (75.0) | 433 (72.8) |
Family Income | |||
  < $100,000 AUD | 333 (38.3) | 147 (34.8) | 186 (41.7) |
  ≥ $100,000 AUD | 536 (61.7) | 276 (65.2) | 260 (58.3) |
Body Mass index (BMI) | |||
  ≤ 25 | 351 (30.7) | 118 (21.4) | 233 (36.2) |
  > 25 | 792 (66.3) | 422 (76.6) | 370 (57.5) |
Job characteristics | |||
  Full time job | 926 (77.9) | 506 (92.0) | 420 (65.7) |
  Part-time job | 263 (22.1) | 44 (8.0) | 219 (34.3) |
  White-Collar job | 834 (72.7) | 288 (54.0) | 546 (88.9) |
  Blue-Collar job | 313 (27.3) | 245 (46.0) | 68 (11.1) |
  < 5 years in same org | 217 (44.3) | 225 (41.8) | 292 (46.4) |
  ≥ 5 years in same org | 650 (55.7) | 313 (58.2) | 337 (53.6) |
  Non shift worker | 775 (64.9) | 293 (53.2) | 482 (75.0) |
  Shift-worker | 419 (35.1) | 258 (46.8) | 161 (25.0) |
  No night shifts | 925 (77.5) | 369 (67.0) | 556 (86.5) |
  Does night shifts | 269 (22.5) | 182 (33.0) | 87 (13.5) |
  No rotational shifts | 983 (82.3) | 399 (72.4) | 584 (90.8) |
  Does rotational shifts | 211 (17.7) | 152 (27.6) | 59 (9.2) |
  ≤ 40 hrs/wk of work | 768 (64.3) | 227 (41.2) | 541 (84.1) |
  > 40 hrs/wk of work | 426 (35.7) | 324 (58.8) | 102 (15.9) |
  ≤ 8 hrs/day of work | 643 (53.9) | 165 (29.9) | 478 (74.3) |
  > 8 hrs/day of work | 551 (46.1) | 386 (70.1) | 165 (25.7) |
  Low physical demand | 721 (60.5) | 318 (57.8) | 403 (62.8) |
  High physical demand | 471 (39.5) | 232 (42.2) | 239 (37.2) |
Total sitting time | |||
  < 8 hours/day | 549 (46.8) | 230 (42.6) | 319 (50.5) |
  ≥ 8 hours/day | 623 (53.2) | 310 (57.4) | 313 (49.5) |