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?:abstract
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BACKGROUND: The coronavirus disease (COVID-19) pandemic has become a universal public health event, which has raised concerns regarding individuals\' health Individuals need to cope with COVID-19 pandemic with guidelines on symptom recognition, home isolation and maintain mental health By providing individuals with mobile health services, they always have access to novel and useful information to keep healthy It is not known whether individuals have increased their daily mobile health services (mHealth) emergency use as a result of disruptions caused by the COVID-19 pandemic OBJECTIVE: The purpose of this diary analysis study is to assess the influences of daily disruptions of COVID-19 pandemic on individuals\' mHealth emergency use The secondary purpose of this study is to explore the mediating role COVID-19 induced strain and the moderating role of promotion regulatory focus in the relationship between daily disruptions of COVID-19 and mHealth emergency use Drawing from the cognitive activation theory of stress, we investigated the underlying mechanism and boundary condition of the influence of COVID-19-related disruptions on daily mHealth emergency use METHODS: To test the proposed model, the present study adopts the experience sampling method to collect daily data The experience sampling method helps researchers to capture participants\' fluctuations in emotions, mental engagement in an activity, and experienced stress The current study collected 550 cases nested in 110 samples in mainland China to test the conceptual model And we employed hierarchical linear modeling analysis to test the effect of COVID-19-related disruptions on mHealth emergency use RESULTS: We found that COVID-19 related disruptions increased COVID-19 induced strain ( = 0 24, P < 0 001) and mHealth emergency use on a daily basis ( = 0 28, P < 0 01) COVID-19-induced daily strain mediated this relationship (Effect = 0 09, 95% CI = [0 05, 0 14]) Promotion regulatory focus moderated the relationship between COVID-19 induced strain and mHealth emergency use (γ = 0 35, P = 0 02) In addition, the indirect relationship between disruptions and mHealth emergency use intentions through COVID-19 induced strain is contingent upon promotion regulatory focus: this relationship was stronger in those with high promotion regulatory focus (Effect = 0 12, 95% CI = [0 06, 0 19]) than in those with low promotion regulatory focus (Effect = 0 06, 95% CI = [0 02, 0 11]) CONCLUSIONS: Event disruption of the COVID-19 pandemic induced mHealth emergency use intention through increased psychological strain Furthermore, individuals\' promotion regulatory focus amplified this indirect relationship Our findings extend our understanding of the factors underlying mHealth emergency use intention and illustrate the potential contingent role of promotion regulatory focus in CATS This study also opens avenues for future research on mHealth emergency use intention in other countries and cultural settings
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