Quality of Web-based information on depression.

BACKGROUND: Although some studies have already been done on the quality of websites on depression, they have mainly focused on content quality, and were mostly carried out about a decade ago. The main aim of this work was thus to examine the quality of current websites on depression through the use of several indicators. METHODS: Three keywords on depression were entered into a popular search engine. Websites were evaluated on accountability, interactivity, esthetics, readability, and content quality. Moreover, the presence of the "Health on the Net" (HON) quality label and the website's affiliation were checked, and the Brief DISCERN was used as a potential content quality indicator for general consumers. RESULTS: A total of 45 websites were analyzed. The content quality of the depression-related websites was good. Websites with the HON label had significantly higher accountability, content quality, and Brief DISCERN scores. Moreover, websites with a high score on the Brief DISCERN scored significantly higher for accountability and content quality. Finally, the content quality of websites was significantly and positively correlated with the Brief DISCERN score, the presence of the HON label, and affiliation of the websites. CONCLUSION: The overall quality of websites on depression seems to be rather good.

[Assessing the quality of French language web sites pertaining to alcohol dependency]. / Evaluation de la qualité des sites internet francophones traitant de la dépendance à l'alcool.

The objective of this article is to systematically assess the quality of web-based information in French language on the alcohol dependence. The authors analysed, using a standardised pro forma, the 20 most highly ranked pages identified by 3 common internet search engines using 2 keywords. Results show that a total of 45 sites were analysed. The authors conclude that the overall quality of the sites was relatively poor, especially for the description of possible treatments, however with a wide variability. Content quality was not correlated with other aspects of quality such as interactivity, aesthetic or accountability.

A follow-up study on the quality of alcohol dependence-related information on the web.

In order to evaluate the one-year evolution of web-based information on alcohol dependence, we re-assessed alcohol-related sites in July 2007 with the same evaluating tool that had been used to assess these sites in June 2006. Websites were assessed with a standardized form designed to rate sites on the basis of accountability, presentation, interactivity, readability, and content quality. The DISCERN scale was also used, which aimed to assist persons without content expertise in assessing the quality of written health publications. Scores were highly stable for all components of the form one year later (r = .77 to .95, p < .01). Analysis of variance for repeated measures showed no time effect, no interaction between time and scale, no interaction between time and group (affiliation categories), and no interaction between time, group, and scale. The study highlights lack of change of alcohol-dependence-related web pages across one year.

Brief DISCERN, six questions for the evaluation of evidence-based content of health-related websites.

OBJECTIVE: To extract and to validate a brief version of the DISCERN which could identify mental health-related websites with good content quality. METHOD: The present study is based on the analysis of data issued from six previous studies which used DISCERN and a standardized tool for the evaluation of content quality (evidence-based health information) of 388 mental health-related websites. After extracting the Brief DISCERN, several psychometric properties (content validity through a Factor analysis, internal consistency by the Cronbach's alpha index, predictive validity through the diagnostic tests, concurrent validity by the strength of association between the Brief DISCERN and the original DISCERN scores) were investigated to ascertain its general applicability. RESULTS: A Brief DISCERN composed of two factors and six items was extracted from the original 16 items version of the DISCERN. Cronbach's alpha coefficients were more than acceptable for the complete questionnaire (alpha=0.74) and for the two distinct domains: treatments information (alpha=0.87) and reliability (alpha=0.83). Sensibility and specificity of the Brief DISCERN cut-off score > or =16 in the detection of good content quality websites were 0.357 and 0.945, respectively. Its predictive positive and negative values were 0.98 and 0.83, respectively. A statistically significant linear correlation was found between the total scores of the Brief DISCERN and those of the original DISCERN (r=0.84 and p<0.0005). CONCLUSION: The Brief DISCERN seems to be a reliable and valid instrument able to discriminate between websites with good and poor content quality. PRACTICE IMPLICATIONS: The Brief DISCERN is a simple tool which could facilitate the identification of good information on the web by patients and general consumers.