Real-World Data on Alcohol Consumption Behavior Among Smartphone Health Care App Users in Japan: Retrospective Study
Kana Eguchi, Takeaki Kubota, Tomoyoshi Koyanagi, Manabu Muto

TL;DR
This study uses smartphone app data to analyze alcohol consumption trends in Japan over five years, including during the pandemic.
Contribution
The study provides detailed long-term alcohol consumption data from real-world smartphone app users in Japan.
Findings
Alcohol consumption among Japanese working people decreased during the state of emergency due to fewer social gatherings.
Digital notifications influenced users' alcohol consumption behavior over a 3-day period.
The app's real-world data correlated with government-provided open data on pandemic-related events.
Abstract
Although many studies have used smartphone apps to examine alcohol consumption, none have clearly delineated long-term (>1 year) consumption among the general population. The objective of our study is to elucidate in detail the alcohol consumption behavior of alcohol drinkers in Japan using individual real-world data. During the state of emergency associated with the COVID-19 outbreak, the government requested that people restrict social gatherings and stay at home, so we hypothesize that alcohol consumption among Japanese working people decreased during this period due to the decrease in occasions for alcohol consumption. This analysis was only possible with individual real-world data. We also aimed to clarify the effects of digital interventions based on notifications about daily alcohol consumption. We conducted a retrospective study targeting 5-year log data from January 1, 2018,…
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Taxonomy
TopicsMobile Health and mHealth Applications · Human Mobility and Location-Based Analysis · Digital Mental Health Interventions
