n/cases | Person years (x1000) | Rate (per 1000 per year) | Model 1† HR (95% CI) | Model 2‡ HR (95% CI) | Model 3§ HR (95% CI) | |
Work sitting* (hours/week) | ||||||
0 to <15 | 1794/152 | 22.73 | 6.69 | 1 | 1 | 1 |
≥15 to <35 | 1069/92 | 13.95 | 6.60 | 1.12 (0.85 to 1.47) | 1.15 (0.87 to 1.51) | 1.14 (0.87 to 1.51) |
≥35 | 1772/142 | 23.62 | 6.01 | 1.14 (0.88 to 1.49) | 1.18 (0.90 to 1.54) | 1.17 (0.89 to 1.53) |
p trend | 0.57 | 0.44 | 0.48 | |||
TV sitting (hours/week) | ||||||
0 to <11 | 1235/87 | 16.27 | 5.35 | 1 | 1 | 1 |
≥11 to <16 | 1212/107 | 15.75 | 6.80 | 1.35 (1.02 to 1.80) | 1.31 (0.98 to 1.74) | 1.33 (1.00 to 1.77) |
≥16 | 937/90 | 11.87 | 7.58 | 1.49 (1.11 to 2.01) | 1.38 (1.02 to 1.86) | 1.39 (1.03 to 1.88) |
p trend | 0.02 | 0.07 | 0.05 | |||
Non-TV leisure time sitting at home (hours/week) | ||||||
≥0 to <8 | 738/70 | 9.61 | 7.28 | 1 | 1 | 1 |
≥8 to <16 | 1650/119 | 21.57 | 5.51 | 0.79 (0.59 to 1.07) | 0.78 (0.58 to 1.05) | 0.78 (0.57 to 1.05) |
≥16 | 793/76 | 10.29 | 7.39 | 1.05 (0.76 to 1.46) | 0.99 (0.71 to 1.37) | 0.98 (0.70 to 1.36) |
p trend | 0.11 | 0.15 | 0.15 | |||
Leisure time sitting at home (hours/week) | ||||||
≥0 to <15 | 1311/96 | 17.10 | 5.61 | 1 | 1 | 1 |
≥15 to <25 | 1698/141 | 22.24 | 6.34 | 1.28 (0.98 to 1.66) | 1.25 (0.96 to 1.63) | 1.26 (0.97 to 1.64) |
≥25 | 1726/159 | 22.11 | 7.19 | 1.40 (1.07 to 1.81) | 1.27 (0.98 to 1.65) | 1.27 (0.98 to 1.66) |
p trend | 0.04 | 0.16 | 0.15 | |||
Total sitting (hours/week) | ||||||
≥0 to <33 | 1671/145 | 21.11 | 6.87 | 1 | 1 | 1 |
≥33 to <50 | 1498/103 | 19.77 | 5.20 | 0.90 (0.70 to 1.17) | 0.87 (0.67 to 1.14) | 0.87 (0.67 to 1.13) |
≥50 | 1642/154 | 21.58 | 7.14 | 1.35 (1.05 to 1.72) | 1.28 (1.00 to 1.65) | 1.26 (1.00 to 1.62) |
p trend | 0.01 | 0.01 | 0.01 | |||
Total sitting excluding TV (hours/week) | ||||||
≥0 to <33 | 1162/98 | 14.77 | 6.64 | 1 | 1 | 1 |
≥33 to <50 | 1040/76 | 13.66 | 5.67 | 0.96 (0.70 to 1.31) | 0.93 (0.68 to 1.28) | 0.93 (0.68 to 1.27) |
≥50 | 1181/109 | 15.47 | 7.05 | 1.28 (0.95 to 1.73) | 1.25 (0.92 to 1.68) | 1.23 (0.91 to 1.66) |
p trend | 0.12 | 0.14 | 0.15 |
∗ Includes sitting during commuting and driving.
† Adjusted for age, gender, ethnicity and last known employment grade (including phase 5).
‡ Also adjusted for smoking, alcohol consumption, frequency of fruit and vegetable consumption, physical functioning and self-rated health.
§ Also adjusted for moderate-to-vigorous physical activity and walking time.
TV, television.