Comparison between respondents (N = 521) and non-respondents (N = 171) on demographics and two main study variables that can be derived from the short-form telephone questionnaire.
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Categorical demographic variables are presented as proportions due to missing data in some variables. * These variables have been collapsed across categories for the purposes of chi-square analyses. Comparison between respondents (N = 521) and non-respondents (N = 171) on demographics and two main study variables that can be derived from the short-form telephone questionnaire.
创建时间：
2014-09-05
