Table 2 Characteristics of study participants of Study 2 (mean [SD])
All | 25≤ age <30 y | 30≤ age <40 y | 40 ≤ age <50 y | 50 ≤ age <60 y | 60 ≤ age <70 y | |
|---|---|---|---|---|---|---|
(n = 30,937) | (n = 490) | (n = 13,553) | (n = 11,547) | (n = 5,093) | (n = 254) | |
Age (years) | 41.3 (7.8) | 27.4 (1.4) | 34.5 (2.8) | 44.2 (2.9) | 53.1 (2.6) | 61.8 (2.2) |
BMI (kg/m2) | 21.8 (2.9) | 20.3 (2.6) | 21.1 (2.8) | 22.2 (2.8) | 22.8 (2.8) | 22.7 (2.8) |
Hours of sleep (hr/day) | 6.5 (0.9) | 6.3 (1.0) | 6.5 (1.0) | 6.4 (0.9) | 6.4 (0.9) | 6.5 (0.9) |
Hours of working (hr/week) | 39.6 (13.0) | 39.9 (13.4) | 40.3 (12.8) | 39.4 (13.1) | 38.5 (12.9) | 34.0 (13.9) |
Sitting for working (hr/week) | 8.2 (9.0) | 7.9 (8.1) | 7.0 (7.4) | 8.2 (9.1) | 11.0 (11.7) | 13.6 (12.8) |
Standing for working (hr/week) | 17.1 (14.0) | 15.9 (13.1) | 17.6 (14.0) | 17.0 (14.0) | 16.1 (14.1) | 11.8 (12.9) |
Walking for working (hr/week) | 12.6 (12.5) | 13.7 (12.0) | 13.6 (12.6) | 12.5 (12.6) | 10.3 (11.9) | 7.8 (10.6) |
Heavy work (hr/week) | 1.8 (3.3) | 2.5 (3.7) | 2.1 (3.5) | 1.7 (3.2) | 1.2 (2.8) | 0.8 (2.6) |
Light physical activity (min/week) | 113.2 (115.2) | 88.9 (86.1) | 104.2 (110.4) | 115.3 (114.7) | 132 (125.8) | 161.8 (147.5) |
Moderate physical activity (min/week) | 21.9 (61.0) | 25.1 (59.9) | 19.6 (56.0) | 20.6 (60.4) | 29.5 (71.7) | 41.0 (92.6) |
Vigorous physical activity (min/week) | 2.3 (18.4) | 4.3 (23.1) | 2.5 (19.1) | 1.9 (16.2) | 2.7 (20.7) | 1.9 (16.5) |