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Table 1 Summary of the study population demographics

From: Change in screen time and overuse, and their association with psychological well-being among US-wide school-age children during the COVID-19 pandemic: analysis of the National Survey of Children’s Health (NSCH) years 2018–21

 

N = 88,823

Age group

 Elementary school (age 6–10 years)

31,840(35.84%)

 Middle school (age 11–13 years)

21,608 (24.32%)

 High school (age 14–17 years)

35,375 (39.82%)

Sex

 Male

45,012 (50.67%)

 Female

43,811 (49.32%)

Race

 White

68,899 (77.56%)

 Black or African American

6227 (7.01%)

 American Indian or Alaska Native

851 (0.96%)

 Asian

5002 (5.63%)

 Native Hawaiian or Other Pacific Islander

540 (0.60%)

 Some other race alone

486 (0.54%)

 Two or more races

6818 (7.67%)

Ethnicity

 Hispanic or Latino

10,884 (12.25%)

 Otherwise

77,939 (87.75%)

Poverty ratio

292.38 ± 116.82

  1. Categorical demographic variables are shown as n (%) relative to the total population (N = 88,823), and the unweighted Poverty Ratio is shown as mean ± standard deviation (with a range of 50–400)