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Predicting COVID-19 Transmission to Inform the Management of Mass Events: Model-Based Approach

Predicting COVID-19 Transmission to Inform the Management of Mass Events: Model-Based Approach

Coupling the sensitivity estimates [56,57] with the distribution of the incubation period and estimated percentage of asymptomatic cases [53,54], for each individual infected at day k taking an antigen test D days before the event, the probability of getting through the filtering protocol is thus given by the formula: where s(symptomatic)t–k–D and s(symptomatic) are the sensitivities of the test taken D days before the event for a symptomatic participant infected t–k days before the event and an asymptomatic

Claire Donnat, Freddy Bunbury, Jack Kreindler, David Liu, Filippos T Filippidis, Tonu Esko, Austen El-Osta, Matthew Harris

JMIR Public Health Surveill 2021;7(12):e30648

Self-Efficacy and Motivation to Quit of Smokers Seeking to Quit: Quantitative Assessment of Smoking Cessation Mobile Apps

Self-Efficacy and Motivation to Quit of Smokers Seeking to Quit: Quantitative Assessment of Smoking Cessation Mobile Apps

Two-tailed paired sample t tests were used to test whether differences in self-efficacy and motivation to quit at various time points of the study were statistically significant. In addition, we explored various linear regression models to examine factors associated with changes in self-efficacy and motivation to quit.

Nikita B Rajani, Nikolaos Mastellos, Filippos T Filippidis

JMIR Mhealth Uhealth 2021;9(4):e25030

Impact of Gamification on the Self-Efficacy and Motivation to Quit of Smokers: Observational Study of Two Gamified Smoking Cessation Mobile Apps

Impact of Gamification on the Self-Efficacy and Motivation to Quit of Smokers: Observational Study of Two Gamified Smoking Cessation Mobile Apps

Two-way paired sample t tests were used to test whether differences in self-efficacy and motivation to quit at various time points of the study were statistically significant. In addition, we explored various linear regression models to examine whether gamification was associated with changes in self-efficacy and motivation to quit.

Nikita B Rajani, Nikolaos Mastellos, Filippos T Filippidis

JMIR Serious Games 2021;9(2):e27290