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Table 1 Age-adjusted prevalence (%) and 95% confidence intervals (95% CI) for physically inactive and active women and men at baseline and at follow-up.

From: Changes in occupational class differences in leisure-time physical activity: a follow-up study

  Physically inactive, <14 MET1hours/week Physically active, >30 MET1hours/week
  Baseline Follow-up   Baseline Follow-up  
  % 95% CI % 95% CI Change %-unit % 95% CI % 95% CI Change %-unit
Women           
Professionals (n = 1524) 24 [21.4-25.7] 19 [17.2-21.1] -5 35 [32.7-37.4] 42 [39.3-44.2] +7
Semi-professionals (n = 1138) 21 [18.7-23.4] 18 [16.0-20.5] -3 39 [36.2-42.0] 44 [41.5-47.3] +5
Routine non-manual employees (n = 2227) 25 [23.3-26.8] 24 [22.1-25.7] -1 36 [34.1-38.0] 36 [34.3-38.2] 0
Manual workers (n = 763) 26 [23.2-29.4] 27 [24.3-30.6] +1 37 [33.1-39.9] 33 [30.0-36.6] -4
Total (n = 5652) 24 [22.9-25.1] 22 [20.9-23.1] -2 37 [35.2-37.8] 39 [37.7-40.3] +2
Men %   %    %   %   
Professionals (n = 584) 20 [17.1-23.6] 20 [16.6-23.1] 0 46 [41.6-49.7] 49 [45.0-53.1] +3
Semi-professionals (n = 257) 29 [23.4-34.6] 22 [16.8-26.8] -7 42 [36.0-48.2] 45 [39.3-51.4] +3
Routine non-manual employees (n = 128) 27 [19.7-35.1] 21 [13.7-27.7] -6 42 [33.0-50.0] 43 [34.8-51.9] +1
Manual workers (n = 310) 28 [23.3-33.3] 36 [30.3-40.9] +8 40 [34.9-45.7] 31 [26.1-36.4] -9
Total (n = 1279) 25 [22.3-27.1] 24 [21.9-26.5] -1 43 [40.5-45.9] 43 [40.7-46.1] +0
  1. 1MET = an activity metabolic equivalent task