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      Characterizing Media Content and Effects of Organ Donation on a Social Media Platform: Content Analysis

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          Abstract

          Background

          The lack of organ donors has become a barrier for the development of organ transplantation programs, and many countries are currently facing a severe shortage of deceased organs. Media campaigns on social media have the potential to promote organ donation. However, little is known about what kind of media content is the most appropriate for this purpose.

          Objective

          This study aimed to analyze media posts regarding organ donation on Weibo, a social media platform, and to identify the media themes that are most advantageous in promoting public awareness and attitudes concerning organ donation.

          Methods

          Based on 16 million social media users’ posts randomly extracted from January 1 to December 31, 2017, 1507 reposts of 141 distinct media posts relevant to organ donation were found. We analyzed the media posts’ themes and examined their effects in promoting public awareness about organ donation by comparing the number of reposts and comments they prompted. The themes’ impact on attitude toward organ donation was gauged using the comments indicating support and intentions for organ donation.

          Results

          Overall, 5 major themes were identified from the media posts, among which “organ donation behaviors” constituted the highest proportion (58/141, 41.13%). However, themes of “statistical descriptions of organ donation” and “meaningfulness of donation” were the most influential in promoting awareness on organ donation: approximately 3 of 10 commenters for the former theme and 2 of 10 commenters for the latter expressed intentions to become organ donors. These two themes, along with “meaningfulness of organ donation for society,” a subtheme of “meaningfulness of donation,” were the most effective for evoking support and intentions for donation.

          Conclusions

          A discrepancy was revealed between the media themes that were the most salient on the media agenda and those that were the most effective in increasing organ donation awareness and intentions on social media. These findings provide guidance for campaigns on organ donation. The results also suggest the potential of campaigns on social media for promoting prosocial health behaviors and highlight the importance of strategic message design for serving this goal.

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          Most cited references33

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          Framing Theory

          We review the meaning of the concept of framing, approaches to studying framing, and the effects of framing on public opinion. After defining framing and framing effects, we articulate a method for identifying frames in communication and a psychological model for understanding how such frames affect public opinion. We also discuss the relationship between framing and priming, outline future research directions, and describe the normative implications of framing.
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            Impact of tobacco control policies and mass media campaigns on monthly adult smoking prevalence.

            We sought to assess the impact of several tobacco control policies and televised antismoking advertising on adult smoking prevalence. We used a population survey in which smoking prevalence was measured each month from 1995 through 2006. Time-series analysis assessed the effect on smoking prevalence of televised antismoking advertising (with gross audience rating points [GRPs] per month), cigarette costliness, monthly sales of nicotine replacement therapy (NRT) and bupropion, and smoke-free restaurant laws. Increases in cigarette costliness and exposure to tobacco control media campaigns significantly reduced smoking prevalence. We found a 0.3-percentage-point reduction in smoking prevalence by either exposing the population to televised antismoking ads an average of almost 4 times per month (390 GRPs) or by increasing the costliness of a pack of cigarettes by 0.03% of gross average weekly earnings. Monthly sales of NRT and bupropion, exposure to NRT advertising, and smoke-free restaurant laws had no detectable impact on smoking prevalence. Increases in the real price of cigarettes and tobacco control mass media campaigns broadcast at sufficient exposure levels and at regular intervals are critical for reducing population smoking prevalence.
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              A 10-year systematic review of HIV/AIDS mass communication campaigns: Have we made progress?

              The purpose of the current study was to conduct a 10-year systematic review of HIV/AIDS mass communication campaigns focused on sexual behavior, HIV testing, or both (1998-2007) and to compare the results with the last comprehensive review of such campaigns, conducted by Myhre and Flora (2000). A comprehensive search strategy yielded 38 HIV/AIDS campaign evaluation articles published in peer-reviewed journals, representing 34 distinct campaign efforts conducted in 23 countries. The articles were coded on a variety of campaign design and evaluation dimensions by two independent coders. Results indicated that compared with the previous systematic review (1986-1998 period), campaigns increasingly have employed the following strategies: (1) targeted defined audiences developed through audience segmentation procedures; (2) designed campaign themes around behavior change (rather than knowledge change); (3) used behavioral theories; (4) achieved high message exposure; (5) used stronger research designs for outcome evaluation; and (6) included measures of behavior (or behavioral intentions) in outcome assessments. In addition, an examination of 10 campaign efforts that used more rigorous quasi-experimental designs revealed that the majority (8 of 10) demonstrated effects on behavior change or behavioral intentions. Despite these positive developments, most HIV/AIDS campaigns continue to use weak (i.e., preexperimental) outcome evaluation designs. Implications of these results for improved design, implementation, and evaluation of HIV/AIDS campaign efforts are discussed.
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                Author and article information

                Contributors
                Journal
                J Med Internet Res
                J. Med. Internet Res
                JMIR
                Journal of Medical Internet Research
                JMIR Publications (Toronto, Canada )
                1439-4456
                1438-8871
                March 2019
                12 March 2019
                : 21
                : 3
                : e13058
                Affiliations
                [1 ] School of Communication and Design Sun Yat-Sen University Guangzhou China
                [2 ] Intelligence Sharing for Life Science Research Institute Shenzhen China
                [3 ] 923 Hospital of Chinese People's Liberation Army Nanning China
                [4 ] The First People's Hospital of Kunming Kunming China
                [5 ] Guangdong Key Laboratory for Big Data Analysis and Simulation of Public Opinion Guangzhou China
                [6 ] School of Journalism and Communication Jinan University Guangzhou China
                Author notes
                Corresponding Author: Kaisheng Lai kaishenglai@ 123456126.com
                Author information
                http://orcid.org/0000-0001-5903-4019
                http://orcid.org/0000-0001-7451-917X
                http://orcid.org/0000-0001-6007-3015
                http://orcid.org/0000-0003-4085-2729
                http://orcid.org/0000-0001-5330-7821
                http://orcid.org/0000-0001-6679-7487
                http://orcid.org/0000-0003-2035-9275
                Article
                v21i3e13058
                10.2196/13058
                6434401
                30860489
                e3e5eb3a-9341-425d-a228-0dbb8d8a9cc6
                ©Xiaoya Jiang, Wenshi Jiang, Jiawei Cai, Qingdong Su, Zhigang Zhou, Lingnan He, Kaisheng Lai. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 12.03.2019.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License ( https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/.as well as this copyright and license information must be included.

                History
                : 9 December 2018
                : 17 January 2019
                : 11 February 2019
                : 3 March 2019
                Categories
                Original Paper
                Original Paper

                Medicine
                organ donation,media,media effects,social media
                Medicine
                organ donation, media, media effects, social media

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