Chapter 4 174 Author (year) Description of policy Implementation date Implementation level Enforcement Observational period Selection of participants Ickes (2017) Smoke-free campus policy at University of Kentucky, U.S. November 2009 Local level Not reported April, 2013 Random selection of students aged 18 or older with official university email address. Jalleh (2006) Support for hypothetical policies - - - Not reported Participants age 25-54 who participated in surveys evaluating the impact of anti-tobacco campaigns Johnston Polacek (2008) Support for hypothetical policies - - - October 2004 to March 2005 Classrooms and public spaces served as data-gathering sites combined with survey on university website Kandra (2007) Support for hypothetical policies - - - 2005 2005 Child Health Assessment and Monitoring Program (CHAMP) survey; a random telephone survey of noninstitutionalized adults age 18 and older. Kandra (2013) Support for hypothetical policies - - - 2009 2009 North Carolina Youth Tobacco Survey (NCYTS) Karadağ (2021) Hypothetical support - - - June 2019 and September 2019 Online questionnaire sent to 12,000 university students Kecojevic (2020) Hypothetical support - - - December, 2017 One-time email invitation through HR and student registers Kennedy (2012) Support for hypothetical policies - - - December 2006 to February 2007 (wave 1) and September to November 2008 (wave 2) ITC France project. Adults age 18 and over. Random digit dialling sampling design, no stratification. Recruitment until planned sample was reached. Next Birthday method was used.
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