Dr. Mary E. Mackesy-Amiti’s study tests the acceptability and feasibility of ecological momentary assessment (EMA) of mood and injection risk behavior among young people who inject drugs (PWID), using mobile phones.  Participants used the mEMA System to respond to momentary surveys on mood, substance use, and injection risk behavior for 15 days. Participants were assigned to receive surveys four, five, …

Catiana Leila Possamai Romanzini’s study describes sedentary behavior (SB) in the physical, social, and environmental contexts and verify the agreement between mobile Ecological Momentary Assessment (mEMA) and accelerometry in the in the identification of SB in young adults.  Over the course of seven days 123 young adults used concomitant mEMA and Actigraph wGT3xBT accelerometer. Data of 2,262 mEMA prompts and …

In his study, Dr. Matthew Kwan examines the acute transition of physical activity (PA) of out of high school aged adolescents into early adulthood. The MovingU study works to gain a comprehensive understanding of the behavioural patterns and the socio-ecological factors related to the changes in PA during transition out of high school. The MovingU study was comprised of two phases …

Dr. Evan Kleinman’s study examines whether the occurrence of suicidal thinking was followed by decreased negative affect and increased positive affect in 43 adult participants who attempted suicide at least once in the past year. The mEMA System was used to run 28 days of smartphone-based real-time monitoring, where participants were signaled four times per day to report on current affect …