Figure 1.
Associations [ B coefficients ( SE )] between physical activity, perceived stress, sleep satisfaction, and problematic internet use. Footnote: Sobel test was used (Z = −4.315, p < 0.001).*p < 0.05, **p < 0.001.
Associations [ B coefficients ( SE )] between physical activity, perceived stress, sleep satisfaction, and problematic internet use. Footnote: Sobel test was used (Z = −4.315, p < 0.001).*p < 0.05, **p < 0.001.