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Table 1 General characteristic of participants according to occupation group

From: Leisure sedentary time is differentially associated with hypertension, diabetes mellitus, and hyperlipidemia depending on occupation

  Total Group I Group II Group III Group IV P-value
Number
 N 240,086 44,116 75,912 63,213 56,845  
 % 100 18.4 31.6 26.3 23.7  
Age (y) 44.4 48.5 45.0 41.8 45.1 <0.001*
Sex (%)       <0.001*
 Male 51.0 52.8 66.2 62.9 13.8  
 Female 49.0 47.2 33.8 37.1 86.2  
Income (%)       <0.001*
 Lowest 6.8 13.0 4.9 2.5 12.0  
 Low-middle 23.4 34.9 26.2 12.7 28.0  
 Upper-middle 33.4 31.7 37.1 31.2 31.9  
 Highest 36.5 20.5 31.8 53.6 28.2  
Obesity (%)       <0.001*
 Underweight 3.8 2.4 2.4 3.8 6.3  
 Healthy 70.3 70.3 68.7 69.2 74.1  
 Overweight 23.6 25.1 26.4 24.8 17.5  
 Obese 2.3 2.1 2.5 2.3 2.1  
Education (%)       <0.001*
 Low 14.5 38.4 15.7 1.3 18.7  
 Middle 39.1 46.2 54.0 19.7 40.6  
 High 46.4 15.4 30.3 79.0 40.7  
Alcohol (%)       <0.001*
 None 20.2 23.1 15.2 14.5 33.2  
  < 1 time a month 27.0 25.0 22.4 26.2 35.1  
 2–4 times a month 26.3 22.0 27.1 31.5 20.6  
  ≥ 2 times a week 26.5 29.9 35.3 27.8 11.1  
Smoking (%)       <0.001*
 None 57.0 53.9 42.6 52.2 84.7  
 Past 15.7 15.1 19.5 19.2 6.3  
 Current 27.2 31.0 37.9 28.6 9.0  
Stress (%)       <0.001*
 Little 13.4 17.0 12.0 10.3 17.8  
 Mild 57.4 57.3 57.4 57.3 57.6  
 Moderate 25.5 22.8 26.9 28.4 21.2  
 Severe 3.6 2.9 3.7 4.0 3.4  
Physical activity (%)       <0.001*
 0 m 52.6 49.8 51.9 48.6 60.0  
 1–149 m 9.5 6.1 8.3 12.5 8.9  
  ≥ 150 m 37.9 44.1 39.8 38.9 31.1  
Sleep (%)       <0.001*
 3–5 h 14.4 16.8 15.0 13.4 13.7  
 6 h 33.4 32.4 34.8 37.4 26.7  
 7 h 34.1 32.0 33.8 35.6 33.4  
  ≥ 8 h 18.1 18.8 16.3 13.6 26.1  
Leisure sedentary time (%)       <0.001*
  < 1 h 20.5 18.9 22.0 24.2 14.6  
  ≥ 1 h, <2 h 34.3 35.1 36.1 37.5 27.1  
  ≥ 2 h, <3 h 23.5 25.2 23.9 21.2 24.9  
  ≥ 3 h, <4 h 10.4 11.8 9.7 8.0 14.0  
  ≥ 4 h 11.3 9.0 8.3 9.1 19.4  
Hypertension (%)       <0.001*
 No 87.6 83.1 87.0 90.1 87.2  
 Yes 12.4 16.9 13.0 9.9 12.8  
Diabetes mellitus (%)       <0.001*
 No 95.4 93.8 95.2 96.7 94.7  
 Yes 4.6 6.2 4.8 3.3 5.3  
Hyperlipidemia (%)       <0.001*
 No 90.0 88.9 90.2 90.6 89.5  
 Yes 10.0 11.1 9.8 9.4 10.5  
  1. *Significance at P < 0.05