期刊
AMERICAN JOURNAL OF EPIDEMIOLOGY
卷 191, 期 6, 页码 1081-1091出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/aje/kwac010
关键词
adequate sleep; adolescents; age-period-cohort effects; internalizing symptoms
资金
- Centers for Disease Control and Prevention [R49CE003094]
- National Institute of Mental Health [5 T32 MH 13043-49]
- National Institute on Drug Abuse [R01-DA048853]
Adolescent internalizing symptoms have increased since 2010, while adequate sleep has declined. This study suggests that self-reported insufficient sleep is partially associated with increased loneliness, highlighting the need for further research on the impact of increased sleep duration on internalizing symptoms.
Adolescent internalizing symptoms have increased since 2010, whereas adequate sleep has declined for several decades. It remains unclear how self-reported sleep attainment has affected internalizing-symptoms trends. Using 1991-2019 data from the Monitoring the Future Study (n similar to 390,000), we estimated age-periodcohort effects in adolescent internalizing symptoms (e.g., loneliness, self-esteem, self-derogation, depressive affect) and the association with yearly prevalence of a survey-assessed, self-reported measure of attaining >= 7 hours of sleep most nights. We focused our main analysis on loneliness and used median odds ratios to measure variance in loneliness associated with period differences. We observed limited signals for cohort effects and modeled only period effects. The feeling of loneliness increased by 0.83% per year; adolescents in 2019 had 0.68 (95% CI: 0.49, 0.87) increased log odds of loneliness compared with the mean, which was consistent by race/ethnicity and parental education. Girls experienced steeper increases in loneliness than boys (P < 0.0001). The period-effect median odds ratio for loneliness was 1.16 (variance = 0.09; 95% CI: 0.06, 0.17) before adjustment for self-reported frequency of getting >= 7 hours sleep versus 1.07 (variance = 0.02; 95% CI: 0.01, 0.03) after adjustment. Adolescents across cohorts are experiencing worsening internalizing symptoms. Self-reported frequency of <7 hours sleep partially explains increases in loneliness, indicating the need for feasibility trials to study the effect of increasing sleep attainment on internalizing symptoms.
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