Table 3

Spearman correlations between ED use, family SES, parent–child interaction and sleep duration

Family SESRecreation-based parent–child interactionLearning-based parent–child interactionSleep duration
Family ownership
 Tablet computer0.28 ***
 Game console−
 Portable game console−0.31 ***−
Placement in the child’s bedroom
 Any of below−0.18 **0.000.00−0.03
 Television−0.18 **0.010.02−0.03
 Desktop/laptop computer−0.12−0.01−0.02−0.04
 Game console−−0.01
ED placed in the bedroom without corresponding parental restriction
 Any of below−0.22 ***−0.16 *−0.10−0.05
 Television−0.21 ***−0.16 *−0.10−0.06
 Desktop/laptop computer−0.14−0.09−0.05−0.05
 Game console−0.08−0.18 **−0.11−0.02
  • *p<0.05, **p<0.01, ***p<0.0001.

  • ED, electronic device; SES, socioeconomic status.