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Table 2 Changes in occupational sitting time in the Danish workforce between 1990–2010

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

Year 1990 1995 2000 2005 2010
Total population      
 Population 5933 5554 6102 9037 10986
 Percentage sitting ≥ 3/4 of work time 33.1 32.4 34.1 36.9 40.1
 Percentage sitting ≥ 3/4 of work time, age & gender standardized (95 % CI) 33.1 (32.0; 34.3) 32.3 (31.1; 33.6) 33.5 (32.3; 34.7) 35.3 (34.3; 36.4) 39.1 (38.1; 40.2)
Low socio-economic status      
 Population 2068 2003 2065 2927 NA
 Percentage sitting ≥ 3/4 of work time 17,0 % 16,7 % 16,8 % 17,0 % NA
 Percentage sitting ≥ 3/4 of work time, age & gender standardized (95 % CI) 17,0 % (15.5; 18.7) 16,7 % (15.1; 18.4) 16,7 % (15.1; 18.4) 16,6 % (15.2; 18.2) NA
High socio-economic status      
 Population 3814 3461 3940 5878 NA
 Percentage sitting ≥ 3/4 of work time 41,9 % 41,8 % 43,2 % 46,8 % NA
 Percentage sitting ≥ 3/4 of work time, age & gender standardized (95 % CI) 41,9 % (40.4; 43.5) 41,9 % (40.3; 43.6) 43,3 % (41.7; 45.0) 46,4 % (45.0; 47.8) NA
  1. NA not available for 2010 as socio-economic status was assessed differently compared to the previous measurement waves