2020
DOI: 10.1186/s12888-020-02866-9
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Relationship between sleep duration and sociodemographic characteristics, mental health and chronic diseases in individuals aged from 18 to 85 years old in Guangdong province in China: a population-based cross-sectional study

Abstract: Background Sleep is vital for maintaining individual’s physical and mental health. Prior studies have reported close relationships between sleep duration and chronic diseases. However, in China, the prevalence of aberrant sleep duration and the associations between sleep duration and chronic conditions still merit studying in Guangdong province. This study aimed at examining the relationship between sleep duration and multiple dimensions of sociodemographic characteristics, mental health and chronic diseases i… Show more

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Cited by 38 publications
(43 citation statements)
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“…Personal lifestyle-related measures were collected by asking questions concerning engaging in physical exercise (yes/no), average hours of sleep, sleep satisfaction (yes/no), average hours of browsing the internet, satisfaction with their pursuit of their academic studies while living under COVID-19 restrictions (yes/no), and cigarette smoking (yes/no) during the COVID-19 outbreak. Sleeping hours were classified into three categories on the basis of average daily sleeping hours (normal [7-9h], less than normal [<7h], or more than normal [>9h]) based on the previous studies [29][30][31][32]. Alcohol or drugs are not available in the lockdown situation in Bangladesh, particularly not for students.…”
Section: Methodsmentioning
confidence: 99%
“…Personal lifestyle-related measures were collected by asking questions concerning engaging in physical exercise (yes/no), average hours of sleep, sleep satisfaction (yes/no), average hours of browsing the internet, satisfaction with their pursuit of their academic studies while living under COVID-19 restrictions (yes/no), and cigarette smoking (yes/no) during the COVID-19 outbreak. Sleeping hours were classified into three categories on the basis of average daily sleeping hours (normal [7-9h], less than normal [<7h], or more than normal [>9h]) based on the previous studies [29][30][31][32]. Alcohol or drugs are not available in the lockdown situation in Bangladesh, particularly not for students.…”
Section: Methodsmentioning
confidence: 99%
“…Predefined thresholds for mild, moderate to severe or extremely severe symptom levels were used to categorize levels of DAS, as follows: normal (depression 0-9, anxiety 0-7, and stress 0-14), mild (depression 10-13, anxiety 8-9, and stress 15-18), moderate (depression 14-20, anxiety 10-14, and stress 19-25), severe (depression 21-27, anxiety 15-19, and stress [26][27][28][29][30][31][32][33] and extremely severe (depression ≥28, anxiety ≥20, and stress ≥34) [34]. In the original Bangla version DASS-21, these resulted in excellent reliability (Cronbach's alpha for the three subscales: depression [α=0.99], anxiety [α=0.96], and stress [α=0.96]), and overall Cronbach's alpha for DASS-21 was 0.99 [34].…”
Section: Depression Anxiety and Stress Scale (Dass-21)mentioning
confidence: 99%
“…In addition, numbers of average sleep hours and smoking status were assessed. Average hours of sleep were classified as normal (7-9 h), less than normal (< 7h), or more than normal (> 9h) based on previous reports (Hirshkowitz et al, 2015;Chen et al, 2020;Islam et al, 2020a).…”
Section: Socio-demographics and Lifestyle-related Measuresmentioning
confidence: 99%