Previously submitted to: JMIR Mental Health (no longer under consideration since Oct 27, 2020)
Date Submitted: Oct 27, 2020
Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
Mental distress and its associations with behavioral outcomes during the COVID-19: A national survey of Chinese adults
ABSTRACT
Background:
This study primarily aimed to evaluate the associations between mental distress and COVID-19-related changes in behavioral outcomes, and potential modifiers (age, gender, and educational attainment) of such associations.
Objective:
The COVID -19 pandemic has led to elevated levels of mental distress attributed to prolonged lockdowns, business closures, and social isolation. Its impact on behavioral outcomes is however less known. This study is designed to primarily evaluate the associations between mental distress and COVID-19-related changes in drinking, smoking, physical activity and body weight, and potential modifiers of such associations including age, gender, and educational attainment.
Methods:
An online survey using anonymous network sampling was conducted in China during April-May, 2020 using a 74-item questionnaire distributed through social media. A national sample of 10,545 adults in 31 provinces provided data on socio-demographic characteristics, COVID-19-related mental distress, and changes in behavioral outcomes. Structural equation models were used for data analyses.
Results:
About 13% of adults reported experiencing at least one symptom of mental distress. After adjusting for age, education, gender, ethnicity, marital status, residence, and number of chronic conditions, greater mental distress was associated with increased smoking and alcohol consumption (among current smokers and drinkers) and with both increased and decreased physical activity. Underweight adults were more likely to lose body weight (≥1 kg) whereas overweight adults were more likely to gain weight by the same amount. The association between mental distress and change in physical activity was stronger in adults aged 40 and above and those with high education. Mental distress was significantly associated with an increase in smoking in males but not females.
Conclusions:
Mental distress was associated with increased smoking in males but not females. These findings inform the design of tailored public health interventions aimed to mitigate long-term negative consequences of mental distress on outcomes.
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