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Table 3 Levels of domain-specific physical activity by socioeconomic factors 1

From: Patterns and socio-demographic correlates of domain-specific physical activities and their associations with adiposity in the China Kadoorie Biobank study

Characteristics n Physical activity
Occupational Commuting-related Household Active-recreational
% no activity Mean MET-hr/day (SD)2 % no activity3 Mean MET-hr/day (SD)2 % no activity Mean MET-hr/day (SD)2 % no activity Mean MET-hr/day (SD)2
Men
Occupation          
  Farmer 84 124 1.6 19.6 (16.4) 5.7 2.9 (2.9) 20.7 3.6 (3.3) 90.3 3.3 (4.5)
  Factory worker 38 389 0 25.9 (16.1) 16.9 2.6 (2.8) 19.0 3.3 (3.1) 79.3 3.2 (3.7)
  Sales & others4 19 450 0 21.6 (13.6) 52.4 2.6 (2.3) 28.2 3.2 (2.7) 76.0 3.4 (3.3)
  Professionals 13 839 0 16.4 (13.7) 27.2 2.1 (2.4) 21.5 3.1 (2.7) 61.5 3.4 (3.4)
  Retired & others5 32 845 100 - - - 19.6 4.4 (3.1) 58.7 4.6 (3.8)
Highest education          
  No formal education 16 387 11.4 22.5 (14.2) 11.8 3.1 (2.4) 22.2 3.8 (2.8) 91.1 3.8 (3.3)
  Primary school 62 101 15.7 22.2 (14.0) 14.4 2.9 (2.4) 20.9 3.8 (2.8) 85.7 3.8 (3.4)
  Middle or high school 95 869 21.6 21.0 (13.7) 17.9 2.6 (2.3) 21.0 3.5 (2.7) 75.5 4.0 (3.2)
  College or university 14 290 13.0 14.8 (13.9) 19.0 2.2 (2.4) 19.8 3.2 (2.8) 59.0 3.9 (3.3)
Annual household income (yuan)        
  <10 000 48 718 20.0 21.8 (15.3) 13.2 3.0 (2.6) 18.1 4.0 (3.0) 86.7 3.8 (3.4)
  10 000–19 999 53 248 21.3 22.3 (13.0) 15.0 2.8 (2.2) 21.6 3.7 (2.6) 80.4 4.0 (3.2)
  20 000–34 999 48 151 16.3 21.4 (13.6) 15.6 2.6 (2.3) 21.0 3.5 (2.7) 77.1 3.9 (3.2)
  ≥35 000 38 530 13.6 18.6 (14.1) 22.5 2.3 (2.4) 23.9 3.2 (2.8) 69.5 3.9 (3.3)6
Women
Occupation          
  Farmer 116 776 2.2 13.8 (12.5) 3.6 2.8 (2.5) 0.2 8.0 (4.4) 92.3 3.4 (4.6)
  Factory worker 31 190 0 24.1 (12.2) 25.1 2.7 (2.4) 1.3 5.4 (3.9) 83.4 3.1 (3.4)
  Sales & others4 24 826 0 21.7 (11.6) 74.3 2.8 (2.2) 2.3 5.9 (3.7) 83.4 3.2 (3.2)
  Professionals 11 304 0 15.0 (11.1) 41.6 2.5 (2.2) 1.6 5.5 (3.6) 67.8 3.2 (3.3)
  Retired & others5 93 862 100 - - - 0.5 9.1 (4.1) 65.4 4.5 (3.4)
Highest education          
  No formal education 70 147 27.8 16.5 (12.5) 18.2 3.0 (2.4) 0.6 8.1 (4.4) 90.7 3.7 (3.5)
  Primary school 87 196 35.2 17.4 (10.7) 19.3 2.8 (2.0) 0.6 7.9 (3.8) 84.7 4.0 (3.3)
  Middle or high school 108 625 40.9 17.1 (11.7) 20.2 2.6 (2.2) 0.7 7.6 (4.1) 72.4 4.3 (3.3)
  College or university 11 990 14.2 11.4 (11.4) 18.3 2.3 (2.2) 1.1 6.4 (3.9) 61.8 3.9 (3.2)6
Annual household income (yuan)        
  <10 000 82 776 32.5 16.5 (12.3) 19.8 2.8 (2.4) 0.5 7.7 (4.2) 86.6 4.0 (3.3)
  10 000–19 999 81 908 37.2 17.1 (10.4) 17.7 2.8 (1.9) 0.6 7.9 (3.7) 81.8 4.1 (3.1)
  20 000–34 999 67 527 33.6 17.3 (11.3) 17.0 2.7 (2.1) 0.7 7.7 (3.8) 78.1 4.1 (3.1)
  ≥35 000 45 747 35.7 15.7 (11.3) 24.4 2.5 (2.1) 1.1 7.7 (3.9)6 70.3 4.1 (3.2)6
  1. 1Values were adjusted for age and study area, P for heterogeneity < 0.0001 for all domain-specific physical activities.
  2. 2Least square means (standard deviations) among those participants who have that domain-specific physical activity.
  3. 3The proportion was calculated among working people only.
  4. 4Including sales, self-employed and people in other un-specified occupations.
  5. 5Including those retired, un-employed and home makers.
  6. 6 P for trend across subgroups > 0.05, all other P < 0.0001.