Skip to main content

Table 3 Poisson proportional hazard ratios for all-cause mortality and occupational sitting time (≥24 hr/wk)

From: Temporal changes in occupational sitting time in the Danish workforce and associations with all-cause mortality: results from the Danish work environment cohort study

  All-cause mortality
  Follow-up 1991–2010a Follow-up 2001–2010b
  HR 95 % CI HR 95 % CI
Occupational sitting time     
<24 hr/wk 1.00 Reference 1.00 Reference
≥24 hr/wk) 0.97 0.79; 1.18 1.25 0.90; 1.74
Age (years)     
21–40 1.00 Reference 1.00 Reference
40–49 3.74 2.31; 6.06 4.36 2.00; 9.51
50–59 9.98 6.38; 15.61 9.07 4.32; 19.07
60–69 23.75 15.22; 37.07 21.45 10.22; 45.02
≥70 52.01 32.14; 84.16 58.79 23.80; 145.24
Gender     
women 1.00 Reference 1.00 Reference
Men 1.62 1,35; 1.94 1.43 1.02; 20.00
Socio-economic status     
social class I (highest) 1.00 Reference 1.00 Reference
social class II 1.14 0.81; 1.60 1.36 0.76; 2.44
social class III 1.33 0.98; 1.80 1.61 0.95; 2.74
social class IV 1.23 0.85; 1.78 1.25 0.65; 2.38
social class V (lowest) 1.86 1.36; 2.53 1.94 1.11; 3.38
BMI (kg/m2)     
normal (<25)    1.00 Reference
overweight (25- <30)    0.83 0.59; 1.16
obese (30+)    0.86 0.52; 1.41
Smoking     
never    1.00 Reference
former    1.34 0.87; 2.06
current    2.01 1.36; 2.97
Leisure time physical activity (<2 h/wk of light intensity)     
No    1.00 Reference
Yes    1.38 0.95; 1.99
At least daily fruit or vegetable consumption     
No    1.00 Reference
Yes    0.61 0.44; 0.85
  1. aAdjusted for age, gender, socio-economic status and calendar year
  2. bAdjusted for age, gender, socio-economic status, BMI, smoking, leisure time physical activity and fruit and vegetable consumption