J. Med. Internet Res. - The good, bad, and ugly of online recruitment of parents for health-related focus groups: lessons learned.

Tópicos

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Resumo

CKGROUND: We describe our experiences with identifying and recruiting Ontario parents through the Internet, primarily, as well as other modes, for participation in focus groups about adding the influenza vaccine to school-based immunization programs.OBJECTIVE: Our objectives were to assess participation rates with and without incentives and software restrictions. We also plan to examine study response patterns of unique and multiple submissions and assess efficiency of each online advertising mode.METHODS: We used social media, deal forum websites, online classified ads, conventional mass media, and email lists to invite parents of school-aged children from Ontario, Canada to complete an online questionnaire to determine eligibility for focus groups. We compared responses and paradata when an incentive was provided and there were no software restrictions to the questionnaire (Period 1) to a period when only a single submission per Internet protocol (IP) address (ie, software restrictions invoked) was permitted and no incentive was provided (Period 2). We also compared the median time to complete a questionnaire, response patterns, and percentage of missing data between questionnaires classified as multiple submissions from the same Internet protocol (IP) address or email versus unique submissions. Efficiency was calculated as the total number of hours study personnel devoted to an advertising mode divided by the resultant number of unique eligible completed questionnaires .RESULTS: Of 1346 submitted questionnaires, 223 (16.6%) were incomplete and 34 (2.52%) did not meet the initial eligibility criteria. Of the remaining 1089 questionnaires, 246 (22.6%) were not from Ontario based on IP address and postal code, and 469 (43.1%) were submitted from the same IP address or email address (multiple submissions). In Period 2 vs Period 1, a larger proportion of questionnaires were submitted from Ontario (92.8%, 141/152 vs 75.1%, 702/937, P<.001), and a smaller proportion of same IP addresses (7.9%, 12/152 vs 47.1%, 441/937, P<.001) were received. Compared to those who made unique submissions, those who made multiple submissions spent less time per questionnaire (166 vs 215 seconds, P<.001), and had a higher percentage of missing data among their responses (15.0% vs 7.6%, P=.004). Advertisements posted on RedFlagDeals were the most efficient for recruitment (0.03 hours of staff time per questionnaire), whereas those placed on Twitter were the least efficient (3.64 hours of staff time per questionnaire).CONCLUSIONS: Using multiple online advertising strategies was effective for recruiting a large sample of participants in a relatively short period time with minimal resources. However, risks such as multiple submissions and potentially fraudulent information need to be considered. In our study, these problems were associated with providing an incentive for responding, and could have been partially avoided by activating restrictive software features for online questionnaires.

Resumo Limpo

ckground describ experi identifi recruit ontario parent internet primarili well mode particip focus group ad influenza vaccin schoolbas immun programsobject object assess particip rate without incent softwar restrict also plan examin studi respons pattern uniqu multipl submiss assess effici onlin advertis modemethod use social media deal forum websit onlin classifi ad convent mass media email list invit parent schoolag children ontario canada complet onlin questionnair determin elig focus group compar respons paradata incent provid softwar restrict questionnair period period singl submiss per internet protocol ip address ie softwar restrict invok permit incent provid period also compar median time complet questionnair respons pattern percentag miss data questionnair classifi multipl submiss internet protocol ip address email versus uniqu submiss effici calcul total number hour studi personnel devot advertis mode divid result number uniqu elig complet questionnair result submit questionnair incomplet meet initi elig criteria remain questionnair ontario base ip address postal code submit ip address email address multipl submiss period vs period larger proport questionnair submit ontario vs p smaller proport ip address vs p receiv compar made uniqu submiss made multipl submiss spent less time per questionnair vs second p higher percentag miss data among respons vs p advertis post redflagd effici recruit hour staff time per questionnair wherea place twitter least effici hour staff time per questionnaireconclus use multipl onlin advertis strategi effect recruit larg sampl particip relat short period time minim resourc howev risk multipl submiss potenti fraudul inform need consid studi problem associ provid incent respond partial avoid activ restrict softwar featur onlin questionnair

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