Markus J. Duncan

Walk this way: validity evidence of iphone health application step count in laboratory and free-living conditions

Markus J. Duncan, Kelly Wunderlich, Yingying Zhao et al. · Journal of Sports Sciences · 2017 · 82 citations

Fitness Tracking, Gait Analysis, Physical Activity +31

Mental Health Associations with Academic Performance and Education Behaviors in Canadian Secondary School Students

Markus J. Duncan, Karen A. Patte, Scott T. Leatherdale · Canadian Journal of School Psychology · 2021 · 57 citations · Full text

Course Grades, Educational Psychology, Education +19

Revisiting the International Physical Activity Questionnaire (IPAQ): Assessing physical activity among individuals with schizophrenia

Markus J. Duncan, Kelly P. Arbour‐Nicitopoulos, Mehala Subramanieapillai et al. · Schizophrenia Research · 2016 · 55 citations

Physical Activity, Physical Activity Epidemiology, Assessing Physical Activity +10

Are one-year changes in adherence to the 24-hour movement guidelines associated with depressive symptoms among youth?

Karen A. Patte, Guy Faulkner, Wei Qian et al. · BMC Public Health · 2020 · 47 citations · Full text

The association of physical activity, sleep, and screen time with mental health in Canadian adolescents during the COVID-19 pandemic: A longitudinal isotemporal substitution analysis

Markus J. Duncan, Negin A. Riazi, Guy Faulkner et al. · Mental health and physical activity · 2022 · 38 citations · Full text

Physical Activity, Mental Health Monitoring, Physical Activity Epidemiology +11