Skip to main content

Table 3 Comparison of children as categorized by school-type before the COVID-19 pandemic began

From: Parental survey of the sleep patterns and screen time in US school children during the first 6 months of the COVID-19 pandemic

Variable

Categories

Not in school yet (n = 5)

In public school (n = 35)

In private school (n = 47)

Home schooled (n = 12)

p-value

Mean age (years)

5.2 (± 0.45)

9.3 (± 2.9)

8.4 (± 2.5)

8 (± 1.8)

0.004

Male sex n(%)

3 (60%)

20 (57%)

20 (44%)

9 (75%)

0.226

Home family structure

Single parent

0%

3 (9%)

2 (4%)

0%

0.377

2 parent home

5 (100%)

31 (89%)

39 (83%)

12 (100%)

Split time between homes

0%

1 (3%)

6 (13%)

0%

Income level

$25,000–99,999

1 (20%)

9 (27%)

13 (28%)

3 (25%)

0.446

$100–149,999

1 (20%)

11 (32%)

11 (23%)

7 (58%)

$150–249,999

2 (40%)

6 (18%)

14 (30%)

0%

 > $250,000

1 (20%)

7 (21%)

7 (15%)

0%

Parent is an essential worker

2 (40%)

25 (74%)

25 (56%)

9 (75%)

0.205

Essential worker is in health care

1 (20%)

12 (35%)

11 (24%)

2 (17%)

0.957

SLEEPING PATTERNS BEFORE THE PANDEMIC

 Bedtime on weekdays

19:54

(± 0:25)

20:42 (± 0:48)

20:29 (± 0:49)

20:30 (± 0:28)

0.157

 Bedtime on weekends

20:12

(± 0:50)

21:38 (± 1:09)

21:05 (± 1:05)

20:50 (± 0:39)

0.009

 Wake time on weekdays

6:36

(± 0:32)

6:42 (± 0:47)

6:36 (± 0:31)

7:23 (± 0:44)

0.006

 Wake time on weekends

7:12

(± 0:54)

8:08 (± 1:30)

7:40 (± 1:14)

7:41 (± 0:49)

0.252

 Total sleep time on weekdays (hours)

10.7

(± 0.76)

10.0

(± 1.1)

10.2 (± 0.75)

10.8 (± 0.85)

0.057

 Total sleep time on weekends (hours)

10.8

(± 1.15)

10.4

(± 0.9)

10.5

(± 1.0)

10.9 (± 0.84)

0.538

SLEEPING PATTERNS DURING LOCKDOWN

 Bedtime on weekdays

19:48

(± 0:40)

21:42 (± 1:21)

20:41 (± 3:07)

20:56 (± 0:35)

0.166

 Bedtime on weekends

20:12

(± 1:05)

22:20 (± 1:44)

21:44 (± 1:31)

21:08 (± 0:52)

0.010

 Wake time on weekdays

7:06

(± 0:53)

8:31 (± 1:57)

7:53 (± 1:15)

7:45 (± 1:03)

0.094

 Wake time on weekends

7:18

(± 1:12)

8:54 (± 2:01)

8:12 (± 1:35)

7:50 (± 0:56)

0.069

 Total sleep time on weekdays (hours)

11.3

(± 1.2)

10.8

(± 1.3)

10.8 (± 0.92)

10.8

(± 1.1)

0.789

 Total sleep time on weekends (hours)

11.1

(± 1.5)

10.6

(± 1.2)

10.5

(± 1.7)

10.7

(± 1.2)

0.832

SCREEN USE

 Daily screen time BEFORE the pandemic > 4 h

0

5 (14%)

1 (2%)

0

0.088

 Screen use was for education

0

3 (9%)

5 (11%)

5 (42%)

0.017

 Daily screen time DURING LOCKDOWN > 4 h

2 (40%)

28 (82%)

35 (75%)

1 (8%)

 < 0.001

 Screen time increased in lockdown

3 (60%)

29 (85%)

45 (96%)

2 (17%)

 < 0.001

 Screen use was for education

1 (20%)

22 (65%)

27 (57%)

3 (25%)

0.042

  1. Data are presented as mean (SD) or count (column proportion) unless otherwise specified. Comparisons were made using ANOVA for continuous data and Kruskal–wallis for categorical variables