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. 2021 Mar 13;18(6):2946. doi: 10.3390/ijerph18062946

Table 6.

Paired sample t-test results for the Children’s number of hours a day spent in screens, sleep, and physical activities both before and during the Coronavirus outbreak as reported by their parents

Variable Before the Outbreak—M (SD) During the Outbreak—M (SD) t (381) p (d)
Use of screens 1.75 (0.84) 2.65 (0.89) 17.32 <0.001 (1.77)
Number of sleep hours 8.56 (0.79) 9.17 (0.72) 10.70 <0.001 (1.10)
Physical activity 2.88 (0.92) 2.02 (1.16) 10.74 <0.001 (1.10)