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J Sleep Res ; : e12971, 2020 Jan 09.
Artigo em Inglês | MEDLINE | ID: mdl-31919946


The negative consequences of deteriorated sleep have been widely acknowledged. Therefore, research on the determinants of poor sleep is crucial. A factor potentially contributing to poor sleep is the use of a smartphone. This study aims to measure the association between overall daily smartphone use and both sleep quality and sleep duration. To this end, we exploit data on 1,889 first-year university students. Compared with previous research we control for a large set of observed confounding factors. Higher overall smartphone use is associated with lower odds of experiencing a good sleep. In addition, we explore heterogeneous differences by socioeconomic factors not yet investigated. We find that the negative association between smartphone use and sleep quality is mainly driven by female participants.

Health Econ ; 21(8): 928-45, 2012 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-22763986


This paper estimates the longer-term effects of childhood conduct disorder on human capital accumulation and violent and criminal behavior later in life using data of Australian twins. We measure conduct disorder with a rich set of indicators based on diagnostic criteria from psychiatry. Using ordinary least squares and twin fixed effects estimation approaches, we find that early-age (pre-18) conduct disorder problems significantly affect both human capital accumulation and violent and criminal behavior over the life course. In addition, we find that conduct disorder is more deleterious if these behaviors occur earlier in life.

Transtorno da Conduta/epidemiologia , Transtorno da Conduta/psicologia , Crime/estatística & dados numéricos , Violência/estatística & dados numéricos , Adolescente , Adulto , Austrália/epidemiologia , Família , Feminino , Comportamentos Relacionados com a Saúde , Humanos , Masculino , Transtornos Mentais/epidemiologia , Transtornos Mentais/psicologia , Personalidade , Fatores de Risco , Fatores Socioeconômicos , Fatores de Tempo