Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Association between TST and children’s smartphone overuse.
| Smartphone Overuse | Control | F | P | |||
|---|---|---|---|---|---|---|
| n | Mean (SD) | n | Mean (SD) | |||
| TST | 68 | 9.51 (.84) | 209 | 9.82 (.77) | 4.554 | .034* |
Covariates: age, sex, income, paternal and maternal employment status, starting age of smartphone, smartphone couser, smartphone using place, main caregiver. *P < .05. TST = total sleep time.
