Objective To explore association of media use with sleep habits and sleep quality among pre-schoolers in Guangzhou, in order to provide reference for improving children's sleep quality. Methods A total of 876 children aged 3 to 5 years were randomly recruited to this cross-sectional study in 2016. A self-designed questionnaire was used to investigate child media use information, and child sleep habits and sleep quality were derived from the Children's Sleep Habits Questionnaire (CSHQ). Results Daily use of media device was associated with later bedtime (β=11. 4 min, 95% CI: 6. 0 ─16. 8), shorter nocturnal sleep duration (β=-0. 20 h, 95% CI:-0. 31─-0. 08), shorter total sleep duration (β=-0. 20 h, 95%CI:-0. 04 ─-0. 02), as well as higher total CSHQ score (β=1. 91, 95%CI:0. 80 ─3. 02), scores of bedtime resistance (β=0. 61, 95%CI: 0. 17 ─ 1. 05), sleep anxiety (β=0. 38, 95%CI: 0. 06 ─0. 70) and daytime sleepiness (β=0. 59, 95%CI :0. 13 ─1. 06). Children who consumed screen time ≥ 30 mintues/time had later bedtime (β=9. 0 min, 95%CI: 3. 0 ─14. 4) and shorter total sleep duration (β=-0. 20 h, 95% CI:-0. 36 ─-0. 03), as well as higher total CSHQ score (β=2. 01, 95% CI:0. 88─3. 14) and higher scores of bedtime resistance (β=0. 68, 95%CI: 0. 23─1. 12),sleep duration (β=0. 32, 95%CI: 0. 10 ─0. 53), sleep anxiety (β=0. 38, 95% CI: 0. 06 ─0. 71) and daytime sleepiness (β=0. 70, 95% CI:0. 23 ─1. 18). Children who started to use media devices before 2 years old tended to have higher total CSHQ score (β=1. 67, 95% CI:0. 26 ─3. 11) and higher sleep onset delay score (β=0. 17, 95% CI:0. 03 ─ 0. 30) than those started to use devices after age 2 years. Moreover, children who started to use media devices before 2 years old(β=1. 67,95%CI:0. 26-3. 11), who had daily use of media device(β=1. 91,95%CI:0. 80-3. 0) and who consumed screen time≥30 mintues/time(β=2. 01,95%CI:0. 88-3. 14) tended to have gigher total CSHQ Score respectively, indicating that their general sleep quality were probably poorer than their counterparts. Conclusion Early exposure to media use, high frequency of electric devices use, and long screen time are associated with poor sleep habits and sleep quality among pre-schoolers, which is supposed to be attached great importance.
Key words
media device use /
sleep patterns /
sleep quality /
pre-schoolers
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