Public health · 2020
Readability analysis of online health information on preexposure prophylaxis (PrEP).
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Kecojevic A, Basch C H, Garcia P
Аннотация
OBJECTIVES: When considering PreExposure Prophylaxis (PrEP) as a HIV prevention method, many rely on information available online. Limited research has examined the quality, including readability, of PrEP information on the Internet. The current study evaluates the readability of PrEP information online employing six commonly used readability tests.
STUDY DESIGN: This is a cross-sectional study.
METHODS: Using the Google Chrome browser, a search for articles was conducted using two terms: "pre-exposure prophylaxis" and "Truvada." The URLs of the first 50 English language websites for each term were recorded to create the overall study sample of 100 unique websites. Using six established readability scales, we determined the readability scores for each examined website. Websites were stratified by .com, .org, and .gov URL extensions to compare readability metrics.
RESULTS: Mean Flesch-Kincaid Grade Level (FKGL) was 9.5 (SD = 2.2), mean Gunning Fog Index (GFI) was 11.1 (SD = 2.7), mean Coleman-Liau Index (CLI) was 11.3 (SD = 2.0), while mean Simple Measure of Gobbledygook (SMOG) Grade Level was 12.1 (SD = 1.8). Using Flesch-Kincaid Reading Ease (FRE), one article was found easy to read, while 23 were found of average difficulty to read. Mean New Dale-Chall (NDS) score was 7.3 (SD = 1.3), or grade 9-10. Mean reading levels were significantly different among the commercial, organization, and government sites, however, no category was at the recommended sixth-grade level.
CONCLUSIONS: PrEP information online surpasses the reading ability of most U.S. adults. Improving the readability of PrEP information online may help to increase uptake of PrEP among populations at risk for HIV.
STUDY DESIGN: This is a cross-sectional study.
METHODS: Using the Google Chrome browser, a search for articles was conducted using two terms: "pre-exposure prophylaxis" and "Truvada." The URLs of the first 50 English language websites for each term were recorded to create the overall study sample of 100 unique websites. Using six established readability scales, we determined the readability scores for each examined website. Websites were stratified by .com, .org, and .gov URL extensions to compare readability metrics.
RESULTS: Mean Flesch-Kincaid Grade Level (FKGL) was 9.5 (SD = 2.2), mean Gunning Fog Index (GFI) was 11.1 (SD = 2.7), mean Coleman-Liau Index (CLI) was 11.3 (SD = 2.0), while mean Simple Measure of Gobbledygook (SMOG) Grade Level was 12.1 (SD = 1.8). Using Flesch-Kincaid Reading Ease (FRE), one article was found easy to read, while 23 were found of average difficulty to read. Mean New Dale-Chall (NDS) score was 7.3 (SD = 1.3), or grade 9-10. Mean reading levels were significantly different among the commercial, organization, and government sites, however, no category was at the recommended sixth-grade level.
CONCLUSIONS: PrEP information online surpasses the reading ability of most U.S. adults. Improving the readability of PrEP information online may help to increase uptake of PrEP among populations at risk for HIV.