Table 1.
Demographic and health characteristics of the participants, by sitting time and CVD
| |
|
Sitting time |
|
|||
|---|---|---|---|---|---|---|
| |
Total group |
Low |
Moderate |
High |
No CVD |
CVD |
| (n = 6,154) | (n = 1,860) | (n = 2,232) | (n = 2,062) | (n = 5,977) | (n = 177) | |
|
Age |
52.5 ± 1.5 |
52.5 ± 1.5 |
52.5 ± 1.5 |
52.5 ± 1.4 |
52.5 ± 1.5 |
52.8 ± 1.4 |
|
Sitting time, hours/day |
5.4 ± 2.6 |
2.7 ± 0.8 |
4.9 ± 0.7 |
8.4 ± 1.8 |
5.4 ± 2.6 |
5.2 ± 2.3 |
|
Follow-up time, months |
118.6 ± 14.5 |
118.8 ± 13.5 |
118.2 ± 16.0 |
119.1 ± 13.7 |
120.2 ± 10.0 |
67.0 ± 34.5 |
|
CVD case, yes |
177 (2.9) |
48 (3.1) |
57 (3.0) |
47 (2.7) |
|
|
|
Educational level | ||||||
| No formal qualifications |
914 (14.9) |
307 (16.5) |
351 (15.7) |
256 (12.4) |
888 (14.9) |
26 (14.7) |
| School or leaving certificate |
3,130 (50.9) |
964 (51.8) |
1,113 (49.9) |
1,053 (51.1) |
3,045 (51.0) |
85 (48.0) |
| Trade/apprenticeship or higher education |
2,110 (34.3) |
589 (31.7) |
768 (34.4) |
753 (36.5) |
2,044 (34.2) |
66 (37.3) |
|
BMI (kg/m2) | ||||||
| Underweight (<18.5) |
96 (1.6) |
36 (1.9) |
24 (1.1) |
36 (1.8) |
93 (1.6) |
3 (1.7) |
| Healthy weight (18.5-24.9) |
2,678 (43.5) |
912 (49.0) |
967 (43.3) |
799 (38.8) |
2,606 (43.6) |
72 (40.7) |
| Overweight (25–30) |
2,014 (32.7) |
588 (31.6) |
760 (34.1) |
666 (32.3) |
1,953 (32.7) |
61 (34.5) |
| Obese (>30) |
1,366 (22.2) |
324 (17.4) |
481 (21.6) |
561 (27.2) |
1,325 (22.2) |
41 (23.2) |
|
Physical activity* | ||||||
| Nil/sedentary |
1,097 (17.8) |
300 (16.1) |
362 (16.2) |
435 (21.1) |
1,057 (17.7) |
40 (22.6) |
| Low |
2,297 (37.3) |
690 (37.1) |
793 (35.5) |
814 (39.5) |
2,231 (37.3) |
66 (37.3) |
| Moderate |
1,232 (20.0) |
369 (19.8) |
462 (20.7) |
401 (19.5) |
1,206 (20.2) |
26 (14.7) |
| High |
1,528 (24.8) |
501 (26.9) |
615 (27.6) |
412 (20.0) |
1,483 (24.8) |
45 (25.4) |
|
Smoking status | ||||||
| Non-smoker |
3,727 (60.6) |
1,153 (62.0) |
1,361 (61.0) |
1,213 (58.8) |
3,627 (60.7) |
100 (56.5) |
| Ex-smoker |
1,546 (25.1) |
458 (24.6) |
549 (24.6) |
539 (26.1) |
1,500 (25.1) |
46 (26.0) |
| Current smoker |
881 (14.3) |
249 (13.4) |
322 (14.4) |
310 (15.0) |
850 (14.2) |
31 (17.5) |
|
Alcohol consumption† | ||||||
| Low risk drinker |
3,285 (53.4) |
943 (50.7) |
1,184 (53.1) |
1,158 (56.2) |
3,190 (53.4) |
95 (53.7) |
| Non-drinker |
782 (12.7) |
256 (13.8) |
295 (13.2) |
231 (11.2) |
762 (12.8) |
20 (11.3) |
| Rarely drinker |
1,717 (27.9) |
549 (29.5) |
631 (28.3) |
537 (26.0) |
1,660 (27.8) |
57 (32.2) |
| Risky drinker | 370 (6.0) | 112 (6.0) | 122 (5.5) | 136 (6.6) | 365 (6.1) | 5 (2.8) |
*Defined in MET. Min/week as: Nil/sedentary – <40 MET; low – 40–299; moderate – 300–599; high - ≥600.
†‘Risky drinkers’ (15 to 28 drinks per week) and ‘High risk drinkers’ (More than 28 drinks per week) were grouped together. For women identified as low risk (<15 drinks per week) by the NHMRC guidelines, we separately categorised those classified as low-risk drinkers from those reporting that they drink only rarely.