Tabulation of multiple responses
Although multiple response questions are quite common in survey research, Stata's official release does not provide much possibility for an effective analysis of multiple response variables. For example, in a study on drug addiction an interview question might be: "Which substances did you consume during the last four weeks?" The respondents just list all the drugs they took if any, e.g., an answer could be "cannabis, cocaine, heroin" or "ecstasy, cannabis" or "none", etc. Usually, the responses to such questions are held as a set of variables and, therefore, cannot be easily tabulated. I will address this issue and present a new module to compute one- and two-way tables of multiple responses. The module supports several types of data structure, provides significance tests and offers various options to control the computation and display of the results.
References listed on IDEAS
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- Nicholas J. Cox, 2004. "Speaking Stata: Graphing categorical and compositional data," Stata Journal, StataCorp LP, vol. 4(2), pages 190-213, June.
- Roger Newson, 2003. "Confidence intervals and p-values for delivery to the end user," Stata Journal, StataCorp LP, vol. 3(3), pages 245-269, September.
- Nicholas J. Cox & Ulrich Kohler, 2003. "Speaking Stata: On structure and shape: the case of multiple responses," Stata Journal, StataCorp LP, vol. 3(1), pages 81-99, March.
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