Table 2 Univariable analysis for childhood and adolescent overweight

Gender

Male

3482 (74.0)

1224 (26.0)

4706

< 0.0001

Female

3315 (86.1)

534 (13.9)

3849

Education

Elementary school 4th grade – 6th grade

1847 (73.2)

677 (26.8)

2524

< 0.0001

Senior secondary school

4950 (82.1)

1081 (17.9)

6031

Region

Capital city (Seoul)

1125 (79.4)

292 (20.6)

1417

0.95

Metropolitan city

2249 (79.3)

589 (20.8)

2838

Cities and county

3362 (79.6)

864 (20.4)

4226

Economic status

Low

1267 (78.6)

346 (21.5)

1613

0.04

Average

3062 (80.8)

728 (19.2)

3790

High

2248 (78.5)

615 (21.5)

2863

Father’s education

Middle school graduated or less

330 (77.7)

95 (22.4)

425

0.54

High school graduated

2708 (79.6)

693 (20.4)

3401

University graduated or more

3472 (79.9)

873 (20.1)

4345

Mother’s education

Middle school graduated or less

349 (78.8)

94 (21.2)

443

0.62

High school graduated

3410 (79.9)

859 (20.1)

4269

University graduated or more

2726 (79.0)

723 (21.0)

3449

Father employed

No

244 (75.5)

79 (24.5)

323

0.07

Yes

6378 (79.7)

1620 (20.3)

7998

Mother employed

No

2236 (79.9)

561 (20.1)

2797

0.50

Yes

4392 (79.3)

1146 (20.7)

5538

Parental interest in weight control

Very much

2449 (69.7)

1065 (30.3)

3514

< 0.0001

Average

2607 (82.8)

543 (17.2)

3150

Little

1712 (92.2)

144 (7.8)

1856

Father’s body shape

Slim

1551 (81.6)

349 (18.4)

1900

< 0.0001

Average

3008 (80.8)

716 (19.2)

3724

Obese

2201 (76.6)

673 (23.4)

2874

Mother’s body shape

Slim

1450 (79.1)

384 (20.9)

1834

0.01

Average

3057 (81.0)

719 (19.0)

3776

Obese

2253 (77.8)

644 (22.2)

2897

Family structure

Parents living with children

5868 (79.7)

1494 (20.3)

7362

0.11

Single-parent family (father)

251 (81.5)

57 (18.5)

308

Single-parent family (mother)

335 (75.6)

108 (24.4)

443

Non-parent

343 (77.6)

99 (22.4)

442