Home smoking restrictions were defined by responses to the question: "How cigarette smoking is handled in your home?" With response options being a total ban ( "No one is allowed to smoke in my home" ), some restrictions ( "special guests are only allowed to smoke in my home." or "People are only allowed to smoke in certain areas in my home."),and no restrictions ( "People are allowed to smoke anywhere in my home". Two measures of school smoking restrictions were constructed from questions which asked about whether there was a ban on smoking at their school and, if so, how many students obeyed the rule.These included whether a ban existed (school or no school ban ban), and whether a school ban was strong (most or all students comply) or weak (a ban exists but few or no students comply, or no ban).
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