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Table 1 General characteristics of the study population

From: Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study

  Metabolic syndrome
Total Yes No  
N (%) N (%) N (%) p-value
Sitting time (hours)
 ≤ 7 2332 (54.19) 310 (13.29) 2022 (86.71) 0.5944
 > 7 1971 (45.81) 273 (13.85) 1698 (86.15)  
Sex
 Male 1739 (40.41) 307 (17.65) 1432 (82.35) <0.0001
 Female 2564 (59.59) 276 (10.76) 2288 (89.24)  
Age (year)
 19–29 474 (11.02) 11 (2.32) 463 (97.68) <0.0001
 30–39 758 (17.62) 59 (7.78) 699 (92.22)  
 40–49 741 (17.22) 77 (10.39) 664 (89.61)  
 50–59 834 (19.38) 119 (14.27) 715 (85.73)  
 60–69 787 (18.29) 170 (21.60) 617 (78.40)  
 70+ 709 (16.48) 147 (20.73) 562 (79.27)  
Household income level
 Low 790 (18.36) 154 (19.49) 636 (80.51) <0.0001
 Lower-middle 1076 (25.01) 149 (13.85) 927 (86.15)  
 Upper-middle 1255 (29.17) 156 (12.43) 1099 (87.57)  
 High 1182 (27.47) 124 (10.49) 1058 (89.51)  
Educational level
 Elementary school 1007 (23.40) 230 (22.84) 777 (77.16) <0.0001
 Middle school 487 (11.32) 79 (16.22) 408 (83.78)  
 High school 1411 (32.79) 155 (10.99) 1256 (89.01)  
 College or higher 1398 (32.49) 119 (8.51) 1279 (91.49)  
Occupation
 Office work 939 (21.82) 101 (10.76) 838 (89.24) 0.0024
 Sales and Service 516 (11.99) 56 (10.85) 460 (89.15)  
 Agriculture, forestry, and fishery 242 (5.62) 36 (14.88) 206 (85.12)  
 Machine fitting and simple labor 775 (18.01) 128 (16.52) 647 (83.48)  
 Unemployed, housewife, or student 1831 (42.55) 262 (14.31) 1569 (85.69)  
Physical activity
 Under meet recommended guidelines 2032 (47.22) 302 (14.86) 1730 (85.14) 0.0172
 Meet recommended guidelines 2271 (52.78) 281 (12.37) 1990 (87.63)  
Energy intake
 1Q 1110 (25.80) 147 (13.24) 963 (86.76) 0.5965
 2Q 1085 (25.21) 136 (12.53) 949 (87.47)  
 3Q 1057 (24.56) 151 (14.29) 906 (85.71)  
 4Q 1051 (24.42) 149 (14.18) 902 (85.82)  
Current smoking status
 No 3548 (82.45) 462 (13.02) 3086 (86.98) 0.0285
 Yes 755 (17.55) 121 (16.03) 634 (83.97)  
Alcohol use
 No 2070 (48.11) 276 (13.33) 1794 (86.67) 0.6911
 Yes 2233 (51.89) 307 (13.75) 1926 (86.25)  
Depressive symptoms
 No 4015 (93.31) 546 (13.60) 3469 (86.40) 0.7188
 Yes 288 (6.69) 37 (12.85) 251 (87.15)  
Number of chronic diseases a
 0 3409 (79.22) 403 (11.82) 3006 (88.18) <0.0001
 1 735 (17.08) 140 (19.05) 595 (80.95)  
 ≥ 2 159 (3.70) 40 (25.16) 119 (74.84)  
Total 4303 (100.00) 583 (13.55) 3720 (86.45)  
  1. aNumber of chronic diseases includes cancer, stroke, myocardial infarction, angina, arthritis, rheumatoid arthritis, asthma, thyroid gland disorder, chronic renal failure, and hepatitis B
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