Topics of Research Published in CJPR Researchers coded the main topic, subtopic, and secondary topic of each article, when applicable; book reviews were not coded for main, sub, and secondary topic. The main topic was defined as the overarching subject of the article and contained 29 categories including “other” but only 28 were coded in the content of CJPR (see Appendix A, with categories listed in descending order of topic prevalence).