J. Med. Internet Res. - Exploring the relationship between changes in weight and utterances in an online weight loss forum: a content and correlational analysis study.

Tópicos

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Resumo

CKGROUND: There is increasing interest in the use of online forums as a component of eHealth weight loss interventions. Although the research is mixed on the utility of online forums in general, results suggest that there is promise to this, particularly if the systems can be designed well to support healthful interactions that foster weight loss and continued engagement.OBJECTIVE: The purpose of this study was to examine the relationship between the styles of utterances individuals make on an online weight loss forum and week-to-week fluctuations in weight. This analysis was conducted to generate hypotheses on possible strategies that could be used to improve the overall design of online support groups to facilitate more healthful interactions.METHODS: A convenience sample of individuals using an online weight loss forum (N=4132) included data both on online forum use and weight check-in data. All interactions were coded utilizing the Linguistic Inquiry and Word Count (LIWC) system. Mixed model analyses were conducted to examine the relationship between these LIWC variables and weight over time.RESULTS: Results suggested that increased use of past-tense verbs (P=.05) and motion (P=.02) were associated with lower weekly weights whereas increased use of conjunctions (eg, and, but, whereas; P=.001) and exclusion words (eg, but, without, exclude; P=.07) were both associated with higher weight during the weeks when these utterances were used more.CONCLUSIONS: These results provide some insights on the styles of interactions that appear to be associated with weight fluctuations. Future work should explore the stability of these findings and also explore possibilities for fostering these types of interactions more explicitly within online weight loss forums.

Resumo Limpo

ckground increas interest use onlin forum compon ehealth weight loss intervent although research mix util onlin forum general result suggest promis particular system can design well support health interact foster weight loss continu engagementobject purpos studi examin relationship style utter individu make onlin weight loss forum weektoweek fluctuat weight analysi conduct generat hypothes possibl strategi use improv overal design onlin support group facilit health interactionsmethod conveni sampl individu use onlin weight loss forum n includ data onlin forum use weight checkin data interact code util linguist inquiri word count liwc system mix model analys conduct examin relationship liwc variabl weight timeresult result suggest increas use pasttens verb p motion p associ lower week weight wherea increas use conjunct eg wherea p exclus word eg without exclud p associ higher weight week utter use moreconclus result provid insight style interact appear associ weight fluctuat futur work explor stabil find also explor possibl foster type interact explicit within onlin weight loss forum

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