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Table 1 Sample characteristics by Physical Activity (PA) and Sitting Time (ST) Categories

From: Joint associations of physical activity and screen time with overweight among japanese adults

  

Combined Categories of PA and ST

 
 

Total

Sufficient PA/Low ST

Sufficient PA/High ST

Insufficient PA/Low ST

Insufficient PA/High ST

p-value

No. (%)

2832

905(32%)

656 (23%)

702 (25%)

569 (20%)

-

Sex

     

< 0.001

Male

50.0%

57.5%

44.7%

50.7%

43.4%

 

Female

50.0%

42.5%

55.3%

49.3%

56.6%

 

Age group

     

< 0.001

30-39 years

33.6%

35.6%

27.7%

38.0%

31.6%

 

40-49 years

33.3%

29.8%

34.3%

36.8%

33.4%

 

50-59 years

33.1%

34.6%

38.0%

25.2%

35.0%

 

Marital status

     

< 0.001

Unmarried

25.5%

20.8%

31.3%

24.5%

27.6%

 

Married

74.5%

79.2%

68.8%

75.5%

72.4%

 

Educational level

     

< 0.001

Junior high/high school

26.4%

18.6%

33.5%

25.8%

31.5%

 

Two-year college

26.0%

24.7%

25.0%

25.1%

30.4%

 

Four-year college/graduate school

47.6%

56.7%

41.5%

49.1%

38.1%

 

Job status

     

< 0.001

Full-time job

62.0%

68.3%

53.7%

69.8%

52.2%

 

No full-time job

38.0%

31.7%

46.3%

30.2%

47.8%

 

Household income (yen p.a)

     

< 0.001

   < 5 million

38.0%

31.3%

41.6%

36.9%

45.9%

 

   5-10 million

46.5%

50.4%

42.8%

48.1%

42.7%

 

   > 10 million

15.5%

18.3%

15.6%

15.0%

11.4%

 

BMI

     

0.182

   Normal weight

78.2%

79.4%

79.1%

78.3%

74.9%

 

   Overweight

21.8%

20.6%

20.9%

21.7%

25.1%

 

Mean BMI, kg/m2 (sd)

22.59 (3.53)

22.46 (3.25)

22.51 (3.49)

22.52 (3.50)

22.99 (4.02)

 
  1. Abbreviations: PA: physical activity; ST: screen time, p.a.: per annum.