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Table 1 Child, mother and family characteristics-Preschool assessment (ECLS-B cohort, 2005-2006)

From: Obesity and motor skills among 4 to 6-year-old children in the united states: nationally-representative surveys

 

Boys

n = 2 450a

Girls

n = 2 700

Child characteristics

  

Age (months) (mean, SE)

52.7 (0.13)

52.6 (0.10)

Race/ethnicity (%)

  

White non-Hispanic

52.9

55.0

African American

15.8

14.1

Asian

2.4

2.6

Hispanic

24.3

23.8

Other

4.5

4.4

Prematurity (gestational age < 37 wks) (%)

11.2

11.0

Birthweight (%)

  

< 2.5 kg

6.1

7.8

≥ 4.0 kg

10.7

5.9

Birth rank (%)

  

Singleton

19.0

16.9

Eldest

21.5

21.7

2d born

34.3

34.4

3d born and more

25.1

26.9

Any breastfeeding (%)

67.5

69.6

Excellent/very good health status (%)

87.7

90.0

Television watching (hours/d) (mean, SE)

2.5 (0.07)

2.4 (0.06)

Center-based child daycare (%)

63.3

59.3

Mother characteristics

  

Age (years) (mean, SE)

31.9 (0.22)

32.0 (0.18)

Education (%)

  

No high school

14.6

13.2

High school diploma

27.5

26.4

Some college

30.7

32.1

College graduation

27.2

28.3

Married (%)

70.8

71.4

Overweight or obese before pregnancy (%)

39.1

39.5

Smoking during pregnancy (%)

16.7

17.0

Family characteristics

  

Living in an urban area (%)

84.8

84.4

Low socioeconomic status (%)b

19.6

16.8

English spoken at home (%)

80.0

82.9

Number of children < 18 y (mean, SE)

2.4 (0.03)

2.4 (0.03)

Number of dinners as a family per wk (mean, SE)

5.5 (0.05)

5.5 (0.06)

Parental involvement (%) b

  

No books/stories/songs each day

34.6

28.4

Outside walk or play few times a month or less

14.3

15.2

  1. Estimations of percentages, means and standard errors of the mean (SE) are weighted and take into account the complex sampling design. ECLS-B, Early Childhood Longitudinal Survey-Birth Cohort
  2. aUnweighted sample size rounded to the nearest 50. bSee definitions in the Methods section.