Table 2  Description of movement behaviors before and during the early stages of the COVID-19 pandemic in toddlers and preschoolers in Chile according to age and sex.
Physical ActivityMean (SD), h/Day  Screen TimeMean (SD), h/Day  Sleep DurationMean (SD), h/Day  Sleep QualityMean (SD), Score 1 to 7
Characteristic  Before COVID-19  During COVID-19   p  Before COVID-19  During COVID-19   p  Before COVID-19  During COVID-19   p  Before COVID-19  During COVID-19   p
Total  3.6(1.97)  2.82(2.15)  <0.001  1.66(1.15)  3.05(1.92)  <0.001  10.92(1.80)  11.01(1.86)  0.001  5.68(1.54)  4.93(1.77)  <0.001
Sex
Girls  3.6(2.00)  2.8(2.14)  <0.001  1.65(1.17)  3.00(1.86)  <0.001  10.86(1.75)  10.99(1.82)  0.001  5.67(1.56)  4.92(1.79)  <0.001
Boys  3.6(1.94)  2.9(2.15)  <0.001  1.66(1.13)  3.09(1.98)  <0.001  10.97(1.84)  11.02(1.90)  0.214  5.69(1.52)  4.93(1.76)  <0.001
Age in years
1  3.94 a(2.17)  3.65 b(2.42)  <0.001  1.33 a(1.03)  2.14 b(1.66)  <0.001  12.11 a(1.95)  11.96 b(2.03)  0.024  5.26 a(1.58)  4.58 b(1.76)  <0.001
2  3.92(2.18)  3.14(2.29)  <0.001  1.56(1.12)  2.77(1.73)  <0.001  11.35(1.72)  11.38(1.92)  0.710  5.54(1.53)  4.83(1.79)  <0.001
3  3.59(1.96)  2.70(2.01)  <0.001  1.77(1.20)  3.29(1.91)  <0.001  10.79(1.61)  10.82(1.70)  0.645  5.68(1.57)  5.05(1.69)  <0.001
4  3.22(1.75)  2.42(1.87)  <0.001  1.76(1.13)  3.33(1.98)  <0.001  10.33(1.59)  10.57(1.71)  <0.001  5.89(1.49)  5.04(1.81)  <0.001
5  3.23(1.62)  2.25(1.81)  <0.001  1.84(1.21)  3.66(1.97)  <0.001  10.07(1.33)  10.38(1.47)  <0.001  6.01(1.42)  5.12(1.76)  <0.001
Abbreviations: COVID-19, coronavirus disease 2019; a: p-value < 0.05 when comparing each behavior between categories before COVID-19. b: p-value < 0.05 when comparing each behavior between categories during COVID-19.