Citation Classics in Patient Engagement Research: An Analysis of the 50 Most Cited Articles

Richard Huan Xu, Eliza Lai-Yi Wong^*

JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.

DOI: 10.4236/ojn.2017.76047                

Abstract

Background: Patient engagement offers a promising pathway toward improved population health, better-quality care, and greater cost efficiency. The objective of the current study is to identify and analyze the characteristics of the 50 most frequently cited articles in patient engagement journals. Methods: The ISI Journal Citation Reports: Science Edition 2014 database was used to determine the most frequently cited published articles in Dec 2016. The most cited 50 articles were selected and assessed according to the published journal, origin of institutions, publication year, impact factor, topic, and type of study. Results: The 50 selected articles were published in 19 journals, the majority of which originated from the UK. The most common study design was quantitative study and reviews. The improvement of health care services quality and the construction of engagement model were the top two topics. And 2013 is the most published year receiving the most citations. Conclusions: Our findings provide a historical perspective on the scientific progress of patient engagement and allow for recognition of important developments and limitations in this field.

Keywords

Citation Analysis, Patient Engagement, Publication, Systematic Evaluation

1. Introduction

Given the governments around the world struggling to meet the health needs of their citizens in the face of rising costs, aging populations, and massive variations in health care during the last 20 years [1] , patient engagement as a powerful and potentially beneficial force has been strongly introduced into our daily health care services. However, how can we evaluate the progress and contributions of this “blockbuster drug of the century” from a series of researches and studies [2] ? Citation analysis is a commonly used bibliometric method, which could be used to explore the impact of the field, the impact of a number of researchers and the impact of some particular articles [3] .

Citation classics for the most cited articles as a new research method were firstly introduce by Garfield in 1977 [4] . For now, a variety of journals and research fields have published their citation classics. It always offers a distinctive insight into the history and development of the research for the reader.

Meanwhile, it is also very useful to use citation classics to identify the authors who have published the significant findings on any particular topics, as well as the short or long term impact of their works from the literary perspective [5] . Extensively cited articles from patient service journals also serve as an important role to inspire the medical staffs, researchers, or policymakers to reflect and improve the current plans and policies.

Identification of citation classics has been conducted in various medical fields, but very few in the domain of patient care. According to our literature searching, until now, none of the previous citation studies had focused on the patient engagement. Therefore the aim of the present study is to identify and examine the characteristics of the 50 most frequently cited articles in patient engagement.

2. Method

In the light of no category is named “Patient Engagement” of ISI Journal Citation Report: Science Edition 2014 (Web of Knowledge), Twenty-five journals dedicated to patient related service and care and its subspecialties were selected from the Journal Citation Report 2014 under the subject category “Health Care Science and Services”, “Health Policies and Services”, “Nursing” and “Public, Environment & Occupational Health”. All searches were chosen peer-reviewed literature, confined to publish between January 1995 and December 2016, including e-publications ahead of print. The 50 most frequently cited articles in the journals dedicated to patient engagement were identified using the database of the ISI web of science (Web of Knowledge), with the Science Citation Index Expanded (1965-) and Social Sciences Citation Index (1956-). Only English article had been considered for reviewing.

As we know, there is not a unified and standard definition of patient engagement. In addition, a lot of other conceptions, like patient involvement, patient activations, or customer engagement under the umbrella of the patient-centered care, had some kinds of similarities and overlaps to each other. Therefore, in order to ensure our conclusions’ consistency and accuracy, we only included the articles discussing the concept of patient engagement through two independent reviewers, but not include or discuss the other parallel concepts like, patient activation, patient adherence, patient involvement, patient participation or patient empowerment.

The study design was further divided into the following categories: 1) prospective trials, including randomized controlled, non-randomized controlled, and uncontrolled experimental trials; 2) qualitative studies, including interview and focus group study; 3) surveys, including questionnaire and validation studies; 4) reviews, including literature reviews, systematic reviews and meta-analysis; and 5) other designs that do not belong to any of the above four categories.

3. Results

Of the 25 journals included in our bibliometric analysis, only 19 provided articles in our top 50 list (Table 1). The earliest journal, as we know, is the “Medical Care” from the US, which published its first volume in 1963. The youngest journal is the “BMC Implementation Science” from UK, which published its first volume in 2006. In general, the journals related to patient engagement are relatively new, among which the oldest one reported the results of patient engagement has only been published for about 50 years. The analysis of impact factor shows that the 5-year impact factor for all 19 journals ranged from 1.47 to 5.25. And all of them were published in English. According to the searching results from JCR: Science Edition 2014, during the whole study period from 1956 to 2016, there were totally 463 records found related to patient engagement. 244 of them had been cited at least once, which account for 52.8%. The top article received 210 citations, and only three articles had been cited over 100 times in our fixed search categories.

Table 1 also indicated the breakdown of the 19 journals included in this study. Health Affairs (9 articles), [1] [6] - [13] Journal of Medical Internet Research (6 articles) [14] - [19] and BMC Health Service Research (6 articles) [20] - [25] had occupied the top three of the list, which covered nearly 40% of all the included articles. Besides, no correlation between number of citations and impact factor has been confirmed in our study.

Table 1. Summary of included journals.

Table 2 summarized the 50 top-cited articles related to patient engagement in descending order, according to the cited numbers by each article [1] [6] - [54] . The most frequently cited article “The impact of nursing work environments on patient safety outcomes ? The mediating role of burnout/engagement” received 198 citations [41] . Furthermore, 44 articles were originated from universities [1] [7] [8] [10] [12] [14] - [30] [32] [33] [34] [36] - [54] . Six of them were accomplished by research institutes [6] [9] [11] [13] [31] [35] . The total cited frequency is 1387.

Type of article was most frequently survey design with 25 contributions [1] [6] [8] [9] [12] [15] [20] [21] [26] [28] [29] [30] [31] [32] [34] [39] [40] [41] [42] [43] [45] [47] [48] [49] [52] ; 10 were systematic review or meta-analysis [10] [16] [22] [23] [27] [33] [36] [37] [46] [51] ; 7 were trial design [14] [17] [18] [19] [24] [35] [54] ; 2 were qualitative studies [25] [50] ; and the other six articles deal with other designs [7] [11] [13] [38] [44] [53] (Table 3).

Our study also showed that the US dominates the list of the 50 most cited articles with nearly 60% of contributions (Table 4) [6] - [13] [16] [17] [18] [19] [22] [24] [27] [29] [30] [31] [32] [35] [36] [37] [38] [39] [42] [43] [44] [45] [49] [51] . UK was the second one, possessing 11 articles (22%) [1] [14] [21] [25] [28] [33] [34] [41] [46] [52] [53] , followed by Australia [20] [40] [47] [54] and Canada, Finland, New Zealand, Netherlands, and Israel contributed to the rest five articles [15] [23] [26] [48] [50] .

Table 2. Description of top 50 cited articles in descending order according to the number of citations each received.

The “deliberation and intervention of improving service quality” (17 articles) [8] [9] [11] [12] [14] [18] [20] [24] [28] [29] [35] [43] [45] [47] [49] [52] [54] is the main topic covered by these highly cited articles. Considerable focuses were also given to the topics of “development of model and framework” (15 articles) [1] [7] [10] [16] [17] [25] [30] [32] [36] [38] [44] [46] [51] [53] [55] . Followed by “professional-patient communication” (11 articles) [6] [15] [23] [26] [31] [34] [39] [40] [42] [48] [50] , “patient safety” (3 articles) [27] [33] [41] , and “scale development” (2 articles) [19] [21] . Other topics include “patient education” [37] and “the barriers to effective engagement” [22] (Table 5).

As shown in Table 6, articles were published from 1997 to 2015. The most published year is 2013 (12 articles). Nearly 70% of articles cited by top 50 were published after 2010 (34 articles). Compared to other years, 2013 is also the year that publications were most frequently cited (299 times).

4. Discussion

It is well recognized that a closer look at the number of citations could be very helpful to confirm the impact of the journals and the contributions by individual

Table 3. Study types of origin of the 50 most cited articles.

Table 4. Countries of origin of the 50 most cited articles.

Table 5. Main topics covered in the 50 most cited articles.

Table 6. Years of origin of the 50 most cited articles.

authors [56] . Our work is the first one to evaluate the 50 top-cited articles in the literature of patient engagement, though this very important and valuable conception has been introduced into the area of health care service for nearly 20 years.

Firstly, we found all the 50 most cited articles were published by the authors or institutes from western countries. Amongst them, 62% from North America (CAN 2 articles & US 29 articles), 30% from Europe. These figures indicated that there is a big gap, as well as opportunities, in studying patient engagement in Asia. Especially, countries and areas like Japan, China, and Hong Kong have being facing greater challenges of aging population than ever, which require them to transform its traditional provider-centered health care pattern to a modern patient-centered health care pattern as soon as possible.

Secondly, the range of cited articles related to patient engagement from top 50 articles is from 2 to 198, which is considerably lower than other areas related to health care services. For example, the range for citation of patient safety is 100 to 584, and patient satisfaction, the range is 156 - 875. It may be explained by two reasons. The first one is that the conception of “patient engagement” is relatively new. Although it has been existed for nearly 20 years, according to our study, the real peak of studying this topic started from 2010. The second reason is that, as we know, there are some partially similar and potentially overlapped conceptions had existed, for example, patient involvement, patient activation or customer engagement, which had attracted some scholars’ attentions and published their research findings use other titles already. Therefore, it may be hard to identify all the articles or articles using the keyword as patient engagement.

Other observations are not surprising. Trends in the number of publications of patient engagement have been promising in recent 20 years. It reveals that more resources and attentions from governments and research institutes have been transferred to this more effective and efficient patient-centered health care pattern. This is consistent with the results of other previous studies that awareness of involving the patient in their own health care in order to promote the health outcomes was increasing for both professionals and patients [57] . And this condition may encourage and inspire more researchers to focus on the study of patient engagement in the future.

Another finding is the impact factor of the journals in patient engagement is not high. The journal with the highest impact factor, 5.25, is the “Journal of Medical Internet Research (JMIR)”. However, there is an obvious limitation of the articles published in JMIR, that is most of them are assessing the patient engagement only based on the internet-related studies. By contrast, the topics are more pluralistic of the second top journal “Health Affairs” (The IF is 4.96). We hope more mainstream journals with higher impact factor could share more attentions on the topics of patient engagement.

Finally, the list of the top-cited articles identifies topics that reflect major tendency and development in patient engagement over the last 20 years. Nearly 70% of articles focused on the improvement of health care service quality and the construction of patient engagement model. These results indicate that the studies of patient engagement are still at an early and exploratory stage. Likewise, the main purpose of such kind of studies is establishing the relationship between patient engagement interventions and high quality of health care services. In terms of study types, the majority of the studies followed the quasi-experimental design, using interviews or surveys to evaluate the efficiency of interventions, among which only six studies employed the randomized design. This finding demonstrates that the quality of interventions in this area is still under-deve- loped, and could benefit from further, stricter analysis.

Our study provides important information into how knowledge in the field of patient engagement has been introduced and developed in the last few decades. The current study shows the impressive advances in this field. Patient engagement is growing in studying patients’ experience, health utility use and service efficiency. Our findings encourage that in the field of patient engagement, future influential studies and articles could be conducted and published, and further explore the role of patient play in the patient-centered care.

There are some limitations of our study. Firstly, we did not count the number of citations from articles published in books, which may lead to the missing of some very important articles during the review. The second one is that we only checked the articles written in English, which may lead to the selection bias that some good articles written in other languages being omitted. Thirdly, since there is not a recognized category called patient engagement through the search, we chose other four most related categories as our target source of journals, hence, some articles related to this area in other clinical, medical or social science categories might not be included. The last limitation is that patient engagement is a relatively new conception, which means the older articles are more likely to be cited than the newer ones, simply due to their longer existence. This means some more solid, rigorous, or even seminal works could not be listed in our search.

5. Conclusion

Although limitations exist, the review of the 50 top cited articles in patient engagement may be worthwhile on a few accounts. The data we provided imply how much knowledge and how many developments in the field of patient engagement have been disseminated and made during the last 20 years. Most studies reported the positive relationship between patient engagement and health outcomes makes us optimistic and convincible that the input of resources and capacities to make meaningful progress on this new field is worthwhile. These findings encourage more excellent researchers and influential journals to participate in the exploration of the role in patient engagement to improve health outcomes.

6. Authors’ Contributions

RX conducted the literature review, statistical analysis and prepared the manuscript. EW conceived the study and gave careful advice and revised the manuscript. Both authors read and approved the final manuscript.

Conflicts of Interest

The authors declare no conflicts of interest.

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