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Table 2 Mean ± SD externalizing SCBE T-scoresa at baseline, according to baseline correlates

From: Externalizing behavior is prospectively associated with intake of added sugar and sodium among low socioeconomic status preschoolers in a sex-specific manner

 

Boys

Girls

Baseline child and household correlates

N

Externalizing SCBE T-score, mean ± SD

N

Externalizing SCBE T-score, mean ± SD

Child’s age

 3 y

92

51.2 ± 9.2

99

52.1 ± 9.9

 4 y or older

156

52.0 ± 9.6

171

52.2 ± 9.2

  P valueb

 

0.40

 

0.80

Child’s race/ethnicity

 White, non-Hispanic

126

52.3 ± 8.3

139

51.3 ± 8.8

 Hispanic or not White

123

51.1 ± 10.4

132

53.2 ± 10.1

  P value

 

0.26

 

0.16

Overweight/obese status

 Not overweight/obese

150

52.5 ± 9.5

194

53.3 ± 9.2

 Overweight/obese

98

50.5 ± 9.2

76

49.4 ± 9.7

  P value

 

0.11

 

0.002

Physical activity, hours/wk

  < 7

28

52.1 ± 11.1

26

54.4 ± 8.5

 7 to <14

54

50.3 ± 8.9

70

51.4 ± 10.2

 14 to <24

74

52.6 ± 9.7

79

51.4 ± 8.6

  ≥ 24

73

52.2 ± 8.9

63

52.3 ± 10.3

  P value

 

0.94

 

0.84

Screen time, hours/day

  < 1.5

53

51.8 ± 10.1

62

51.2 ± 9.7

 1.5 to <2.5

66

52.2 ± 8.7

82

52.0 ± 9.5

 2.5 to <3.5

57

51.8 ± 9.8

56

51.1 ± 9.5

  ≥ 3.5

56

51.4 ± 9.4

47

54.3 ± 9.5

  P value

 

0.66

 

0.13

Parent/guardian education level

 Did not graduate HS

36

53.8 ± 9.1

42

54.6 ± 9.8

 HS graduate/GED

81

51.7 ± 9.4

92

50.2 ± 9.4

 Post-HS education

134

51.1 ± 9.5

135

52.8 ± 9.1

  P value

 

0.45

 

0.50

Household income-to-needs ratio

 Quartile 1, <0.47

46

53.5 ± 10.5

66

49.6 ± 9.0

 Quartile 2, ≥0.47 to <0.76

55

51.6 ± 10.3

58

54.3 ± 8.8

 Quartile 3, ≥0.76 to <1.12

56

52.2 ± 9.2

55

52.5 ± 10.8

 Quartile 4, ≥1.12

52

51.4 ± 8.3

55

53.2 ± 9.4

  P value

 

0.91

 

0.05

Parent/guardian CES-D score

  < 16, not depressed

168

51.9 ± 9.6

163

52.5 ± 9.5

  ≥ 16, depressed

65

51.6 ± 9.3

80

51.1 ± 9.8

  P value

 

0.35

 

0.34

  1. aHigher T-scores on the SCBE indicate lower levels of externalizing behavior
  2. bFrom a linear mixed effects model with externalizing SCBE T-score as the outcome and a continuous variable for each ordinal sociodemographic predictor. For nominal categorical variables, a type III F test was used. A random intercept was specified to account for clustering by classroom