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Table 1 Sociodemographic characteristics of 72,435 adolescents with and without atopic dermatitis, the Ninth Korean Youth Risk Behavior Survey (2013), N (%)

From: Association of atopic dermatitis with depressive symptoms and suicidal behaviors among adolescents in Korea: the 2013 Korean Youth Risk Behavior Survey

Variables

Adolescents without atopic dermatitis

Adolescents with atopic dermatitis

P-value

Sex

 Male

34,555 (52.9)

2,100 (44.5)

<0.001

 Female

32,976 (47.1)

2,804 (55.5)

Age

 12–14 years (Middle school)

34,021 (48.7)

2,509 (49.7)

0.101

 15–17 years (High school)

33,510 (51.3)

2,395 (50.3)

Residencea

 Rural area

8,328 (6.9)

530 (6.2)

0.002

 Urban area

59,203 (93.1)

4,374 (93.8)

Family affluenceb

 Low

8,021 (11.4)

529 (10.4)

<0.001

 Middle

35,285 (52.8)

2,482 (50.0)

 High

24,234 (36.8)

1,893 (39.6)

Father’s educational attainment

 <High school graduation

2,581 (3.8)

170 (3.5)

0.009

 High school graduation

22,283 (33.0)

1,652 (33.7)

 > College graduation

29,173 (43.2)

2,189 (44.6)

 Missinge

13,494 (20.0)

893 (18.2)

Mother’s educational attainment

 < High school graduation

2,396 (3.6)

174 (3.6)

<0.001

 High school graduation

28,020 (41.2)

2,110 (43.0)

 > College graduation

23,981 (35.5)

1,794 (36.6)

 Missinge

13,134 (19.5)

826 (16.8)

Participation in physical activityc

 Do not

16,050 (23.8)

1,143 (23.2)

0.465

 Do ≥ 1 per week

51,481 (76.2)

3,761 (76.8)

Cigarette smoking

 Non-smoker

60,934 (90.3)

4,407 (89.6)

0.151

 <10 /day

5,296 (7.8)

383 (8.0)

 

 ≥10 /day

1,301 (1.9)

114 (2.4)

 

Alcohol consumption

 Non-drinker

56,425 (83.8)

4,044 (83.0)

0.002

 Drinker

6,552 (9.7)

464 (9.3)

 

 Individuals with problem drinkingd

4,554 (6.5)

396 (7.7)

 

Sleep duration

 <5 h

14,557 (21.2)

1,162 (23.4)

<0.001

 5~7 h

24,350 (37.1)

1,763 (37.0)

 

 7 h<

22,013 (31.5)

1,471 (28.9)

 

 Missinge

6,611 (10.2)

508 (10.7)

 

Sleep satisfaction

 Well enough

17,356 (25.6)

1,189 (24.2)

<0.001

 Enough

21,791 (32.4)

1,442 (29.5)

 

 Not enough

28,384 (42.0)

2,273 (46.3)

 

Violence

 Never experienced

65,307 (96.7)

4,688 (95.8)

<0.001

 Experienced ≥ 1 time

2,224 (3.3)

216 (4.2)

 
  1. a Urban area: small, medium, or big city
  2. b Family Affluence Score = number of cars + holidays + personal computers + bedrooms. 0–2: Low, 3–5: Middle, >6: High
  3. c An activity such as jogging, playing sports over 20 min causing rapid breathing and a substantial increase in heart rate
  4. d Those who experienced problem drinking during the last 12 months
  5. e Those who did not answer