Chris Y. Lovato

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A grounded theory study was undertaken to describe how adolescents make decisions about sunbathing during the transition from childhood to adolescence and to propose an explanation for the relationships among factors affecting the adoption of sun tanning. In-depth interviews (n = 40) were conducted separately with adolescents (aged 12 to 16 years) and their(More)
This study examined sun protection in families with adolescents from an action-theoretical perspective. Interview data were collected from 20 families about their attitudes and behaviors around sunbathing and sun protection. The data support the understanding of project as joint goal-directed action over time as the basis on which these behaviors are(More)
Understanding how users form perceptions of a software innovation would help software designers, implementers and users in their evaluation, selection, implementation and on-going use of software. However, with the exception of some recent work, there is little research examining how a user forms his or her perceptions of an innovation over time. To address(More)
The purpose of this study was to comprehensively assess the impact of school tobacco policy intention, implementation and students' perceptions of policy enforcement on smoking rates and location of tobacco use during the school day. Data were obtained from all students in Grades 10-11 (n = 22,318) in 81 randomly selected schools from five Canadian(More)
Thirty per cent of school districts in British Columbia do not ban smoking outright on school grounds, and in several instances, smoking is permitted in smoking pits, regardless of school district policy. While there is evidence to suggest that enforcing a tobacco-free environment for students does reduce adolescent smoking rates, the concomitant safety and(More)
The purpose of this study was to explore individual- and school-level policy characteristics on student smoking behavior using an ecological perspective. Participants were 24,213 (51% female) Grade 10-11 students from 81 schools in five Canadian provinces. Data were collected using student self-report surveys, written policies collected from schools,(More)
This article reports a health planner's experience in using program planning software and the contextual factors that influenced her perceptions. The software examined (EMPOWER) is designed to support program planning for prevention of breast cancer through mammography screening. Use by a health professional in an urban hospital was examined through a case(More)
Assessing the comparability of different groups is an issue facing many researchers and evaluators in a variety of settings. Commonly, null hypothesis significance testing (NHST) is incorrectly used to demonstrate comparability when a non-significant result is found. This is problematic because a failure to find a difference between groups is not equivalent(More)
OBJECTIVE To explore perceived factors that impede or facilitate healthful eating within the home environment among overweight/obese adolescents. DESIGN In the present qualitative photovoice study, participants were instructed to take photographs of things that made it easier or harder to make healthful food choices at home. Digital photographs were(More)
This study explored perceived barriers and facilitators to healthful eating in schools and communities among overweight teens who completed an E-health intervention. Twenty-two teens were recruited to a photovoice study and asked to take pictures of things that made it easier or harder to make healthful food choices at school and in their community. Digital(More)