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Table 1 Study participants’ characteristics (total study group, both overall and by BMI category)

From: The relationship between hours of sleep, screen time and frequency of food and drink consumption in Spain in the 2011 and 2013 ALADINO: a cross-sectional study

Characteristics

Total study group

Normal weight

Overweight

p-value

n(%)

n(%)

n(%)

 

2011

Age

 

6

1585

24.4

972

61.3

613

38.7

 

7

1872

28.9

1029

55.0

843

45.0

 

8

1790

27.6

972

54.3

818

45.7

 

9

1240

19.1

658

53.1

582

46.9

 

Sex

 

Boys

3269

50.4

1732

53.0

1537

47.0

 

Girls

3218

49.6

1899

59.0

1319

41.0

<0.001

Maximum parental level of education

 

Primary school

773

11.9

411

53.2

362

46.8

 

Secondary school

2512

38.7

1317

52.4

1195

47.6

 

University

3202

49.4

1903

59.4

1299

40.6

<0.001

 

6487

      

2013

Age

 

7

1491

53.1

863

57.9

628

42.1

 

8

1315

46.9

724

55.1

591

44.9

 

Sex

 

Boys

1374

49.0

745

54.2

629

45.8

 

Girls

1432

51.0

842

58.8

590

41.2

0.014

Maximum parental level of education

 

Primary school

259

9.2

129

49.8

130

50.2

 

Secondary school

1059

37.7

591

55.8

468

44.2

 

University

1488

53.0

867

58.3

621

41.7

0.033

 

2806

      
  1. p-value for difference in proportions of overweight