Table 2 The characteristics of the individuals by subjective health perception

Men (%)

46.6

45.2

0.266

Age (years)

55.7 ± 16.7 (58.0)

53.9 ± 17.1 (57.0)

< 0.001

BMI (kg/m²)

22.6 ± 3.4 (22.3)

22.3 ± 2.9 (22.1)

< 0.001

Energy intakes (kcal/d)

1759 ± 465 (1718)

1808 ± 472 (1766)

< 0.001

Health behaviors score (points) ^c

2.6 ± 1.0 (3.0)

2.8 ± 1.0 (3.0)

< 0.001

 DRIs-J score ≥ median in the study ^d

56.7

60.2

0.006

 Never smoking

62.4

62.7

0.806

 Consuming alcohol < 40 g/d for men or < 20 g/d for women

93.1

92.4

0.336

 Engaging in 30 min of exercise at least twice a week and continuing for a year

21.0

37.2

< 0.001

 Sleeping for ≥7 and < 9 h/d

22.4

25.2

0.012