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Table 1 Descriptive statistics for independent, dependent, and control variables

From: Early childhood television viewing predicts explosive leg strength and waist circumference by middle childhood

 

Mean (SD)

Min

Max

Predictors

Hours of televiewing (29 mo)

8.82 (6.17)

.56

56

Hours of televiewing (53 mo)

14.85 (8.05)

1.00

49

Outcomes

Standing Long Jump (cm)

117.31 (21.91)

23

184

Waist circumference (cm)

64.77 (8.61)

48

114

Child Characteristics

Sex

.50 (.50)

0

1

Weight for gestational age

.12 (.42)

0

1

Overeating (29 months)

1.40 (.71)

1

4

Physical Activity (29 months)

3.28 (.92)

1

5

Weight Status (98 months)

.24 (.43)

0

1

Age in months (Grade 2)

97.81 (3.10)

92

104

Age in months (Grade 4)

121.80 (3.14)

116

128

Maternal BMI (17 months)

23.71 (4.73)

14.17

47.34

Maternal Education (5 mo)

.80 (.40)

0

1.00

Income (5 mo)

6.05 (2.08)

1

9

Immigration Status (5–29 mo)

.10 (.29)

0

1

  1. Notes. Maternal education coded as (1 = high school diploma vs. 0 = no high school diploma); Weight for gestational age coded as 1 (bellow the 10th percentile) or 0 (normal weight). Immigration status coded as 0 (non-immigrant) or 1 (immigrant).