The Korean Journal of Sports Medicine

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2288-6028   pISSN 1226-3729

Table. 1.

Table. 1.

Characteristics of study subjects by sex

Characteristic Men Women
No. of subjects 11,833 15,525
Age (yr)
19–29 1,518 (19.7) 1,820 (17.3)
30–49 3,947 (39.6) 5,323 (37.9)
50–64 3,323 (26.9) 4,544 (27.2)
≥65 3,045 (13.7) 3,838 (17.5)
Household income*
Low 2,014 (13.3) 3,097 (16.9)
Middle–low 2,846 (23.1) 3,848 (24.5)
Middle–high 3,358 (30.9) 4,228 (29.0)
High 3,586 (32.8) 4,304 (29.6)
Education
≤Elementary school 1,788 (9.9) 4,034 (19.9)
Middle school 1,251 (8.4) 1,590 (9.3)
High school 4,128 (38.4) 4,799 (34.4)
≥College 4,642 (43.3) 5,069 (36.4)
Regular alcohol consumption
No 3,412 (26.7) 9,112 (55.2)
Yes 8,357 (73.3) 6,325 (44.8)
Current smoking
No 7,602 (61.8) 14,684 (94.5)
Yes 4,162 (38.2) 742 (5.5)
Obesity§
Underweight 306 (2.7) 767 (5.8)
Normal 3,768 (31.5) 6,874 (46.5)
Overweight 3,065 (25.3) 3,248 (20.0)
Obese 4,694 (40.4) 4,636 (27.8)
Physical activity
Highly active 640 (6.5) 281 (2.1)
Active 1,254 (12.2) 897 (6.5)
Insufficiently 6,333 (53.5) 9,564 (63.1)
Inactive 3,606 (27.7) 4,783 (28.4)

Values are presented as number only or number (%).

*Low (first quartile), middle–low (second quartile), middle–high (third quartile), and high (fourth quartile). ‘Yes’ meant drank more than once a month over the past year. ‘Yes’ meant smoked >100 cigarettes over lifetime and still smoking. §‘Underweight’ meant body mass index (BMI) <18.5 kg/m2, ‘normal’ meant 18.5 kg/m2<BMI<23 kg/m2, ‘overweight’ meant 23 kg/m2≤BMI≤25 kg/m2, and ‘obese’ meant BMI>25 kg/m2.

Korean J Sports Med 2022;40:22-9 https://doi.org/10.5763/kjsm.2022.40.1.22
© 2022 Korean J Sports Med