Drivers of Acceptance of COVID-19 Proximity Tracing Apps in Switzerland: Panel Survey Analysis

Background Digital proximity tracing apps have been released to mitigate the transmission of SARS-CoV-2, virus known cause COVID-19. However, it remains unclear how acceptance and uptake these can be improved. Objective This study aimed investigate coverage SwissCovid app reasons for its nonuse in Switzerland during a period increasing incidence COVID-19 cases. Methods We collected data between September 28 October 8, 2020, via nationwide online panel survey (COVID-19 Social Monitor, N=1511). examined sociodemographic behavioral factors associated with use by using multivariable logistic regression, whereas were analyzed descriptively. Results Overall, 46.5% (703/1511) participants reported they used app, which was an increase from 43.9% (662/1508) previous wave conducted July 2020. A higher monthly household income (ie, >CHF 10,000 or >US $11,000 vs ?CHF 6000 <US $6600 [reference]: odds ratio [OR] 1.92, 95% CI 1.40-2.64), more frequent internet daily [reference] less than weekly: OR 0.37, 0.16-0.85), better adherence recommendations wearing masks always most time rarely never: 0.28, 0.15-0.52), nonsmoker status (OR 1.32, 1.01-1.71) increased likelihood uptake. Citizenship non-Swiss citizenship vs. Swiss 0.61, 0.43-0.87), language region (French German 0.46-0.80) lower Further analysis randomly selected subsample (n=712) detailed information showed that levels trust government health authorities also high low trust: 3.13, 1.58-6.22). The lack perceived benefit (297/808, 36.8%), followed compatible phone (184/808, 22.8%), privacy concerns (181/808, 22.4%). Conclusions Eliminating technical hurdles communicating benefits digital are crucial promote further such and, ultimately, enhance their effectiveness aid pandemic mitigation strategies.