Browsing University of Waterloo by Author "Leatherdale, S.T."
Now showing items 1-11 of 11
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Applying systematic review search methods to the grey literature: a case study examining guidelines for school-based breakfast programs in Canada
Godin, Katelyn Marina; Stapleton, Jackie; Kirkpatrick, Sharon I.; Hanning, Rhona; Leatherdale, Scott T. (BioMedCentral, 2015-10-15)Grey literature is an important source of information for large-scale review syntheses. However, there are many characteristics of grey literature that make it difficult to search systematically. Further, there is no ... -
Do school physical activity policies and programs have a role in decreasing multiple screen time behaviours among youth?
KATAPALLY, TARUN REDDY; Laxer, Rachel; Qian, Wei; Leatherdale, Scott T. (Elsevier, 2017-11-29)Screen time in youth has been associated with a wide range of poor health outcomes. Evidence indicates the need to develop physical activity (PA) school policies and programs that are aimed at decreasing youth screen time ... -
A gender-stratified, multilevel latent class assessment of chronic disease risk behaviours' association with Body Mass Index among youth in the COMPASS study
Hammami, Nour; Chaurasia, Ashok; Bigelow, Philip; Leatherdale, Scott T. (Elsevier, 2019-09)This paper sought to examine chronic disease risk behaviour latent classes and their association with Body Mass Index (BMI), assessing for gender differences. Participants were youth (n = 116,086; grades 9–12) enrolled in ... -
Identifying behavioural characteristics of tobacco product and e-cigarette use clusters: A repeat cross-sectional analysis
Cole, Adam G.; Chaurasia, Ashok; Kennedy, Ryan D.; Leatherdale, Scott T. (Elsevier, 2019-03-01)Background Youth may use a variety of tobacco products and e-cigarettes. However, there is a lack of evidence for the combinations of tobacco products and e-cigarettes commonly used by youth in Canada and whether youth ... -
Identifying patterns of alcohol use among secondary school students in Canada: A multilevel latent class analysis
Gohari, Mahmood R.; Cook, Richard J.; Dubin, Joel A.; Leatherdale, Scott T. (Elsevier, 2020-01)Harm from alcohol use depend not only on the volume of consumption but also on drinking patterns. This study identifies patterns of alcohol consumption in youth and investigates how these patterns vary across schools and ... -
Interrelationships among depression, anxiety, flourishing, and cannabis use in youth
Butler, Alexandra; Patte, Karen A.; Ferro, Mark A.; Leatherdale, Scott T. (Elsevier, 2019-02-01)Aims The objective of the study was to examine if depression or anxiety was associated with youth cannabis use; and investigate whether flourishing moderates these associations. Methods Students (N = 8179) were recruited ... -
A longitudinal evaluation of food safety knowledge and attitudes among Ontario high school students following a food handler training program
Majowicz, Shannon; Hammond, David; Dubin, Joel A.; Diplock, Kenneth; Jones-Bitton, Andria; Rebellato, Steven; Leatherdale, Scott T. (Elsevier, 2017-06)Youth are a unique audience for food safety education, in part due to low food safety knowledge. Although the effectiveness of such education has been explored for primary school and college students, no studies have ... -
The longitudinal impact of diet, physical activity, sleep, and screen time on Canadian adolescents' academic achievement: An analysis from the COMPASS study
Faught, E.L.; Qian, W.; Carson, Valerie; Storey, K.E.; Faulkner, Guy; Veugelers, P.J.; Leatherdale, S.T. (Elsevier, 2019-08)Adequate amounts of physical activity, sleep, and screen time along with a healthy diet have been demonstrated to have positive associations with academic achievement. No longitudinal study has investigated the simultaneous ... -
School start time changes in the COMPASS study: associations with youth sleep duration, physical activity, and screen time
Patte, Karen A.; Qian, Wei; Cole, Adam G.; Faulkner, Guy; Chaput, Jean-Philippe; Carson, Valerie; Leatherdale, Scott T. (Elsevier, 2018-10-12)Background To date, no longitudinal population-based studies of school start times have been conducted within Canada. School schedule changes provided an opportunity to examine start times in association with youth sleep, ... -
Systematic Search and Reporting Techniques Applied to the Gray Literature: A Review of Canadian School Breakfast Program Guidelines
Godin, Katelyn Marina; Stapleton, Jackie; Kirkpatrick, Sharon I.; Hanning, Rhona M.; Leatherdale, Scott T. (2015-01-30)This poster was presented at the Mosaic ’16 (Medical Library Association) Conference on May 17, 2016, Toronto, Ontario. Abstract: Methods: A grey literature search plan was developed to incorporate four different searching ... -
Trends in youth cannabis use across cannabis legalization: Data from the COMPASS prospective cohort study
Zuckermann, Alexandra M.E.; Battista, Katelyn V.; Bélanger, Richard E.; Haddad, Slim; Butler, Alexandra; Costello, Mary Jean; Leatherdale, S.T. (Elsevier, 2021-06)Canada legalized recreational cannabis use for adults on October 17, 2018 with decision-makers emphasising the need to reduce cannabis use among youth. We sought to characterise trends of youth cannabis use before and after ...