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dc.contributor.authorJonsson, Johanna
dc.contributor.authorStein, Mart
dc.contributor.authorJohansson, Gun
dc.contributor.authorBodin, Theo
dc.contributor.authorStrömdahl, Susanne
dc.date.accessioned2019-03-22T13:22:03Z
dc.date.available2019-03-22T13:22:03Z
dc.date.issued2019-01-01
dc.identifier.issn1932-6203
dc.identifier.pmid30629661
dc.identifier.doi10.1371/journal.pone.0210183
dc.identifier.urihttp://hdl.handle.net/10029/622958
dc.description.abstractPrecarious employment (PE) is a social determinant of poor health of workers. However, this population usually lack a sampling frame, making it challenging to identify the characteristics of this group. Web-based respondent driven sampling (webRDS) recruits individuals online through the social network and can provide population estimates. This study aims to assess the performance of webRDS in a population of workers with PE. WebRDS was used for recruitment and data collection in the PRecarious EMployment In Stockholm (PREMIS) study. Cross-sectional questionnaire data was collected between November 2016 and May 2017. Eligible participants were living and/or working in Stockholm County, 18-65 years old, had a personal identification number and were currently employed. WebRDS performance was assessed by the total sample size, length of recruitment chains, sample composition, sample proportions and estimated RDSII population proportions with confidence intervals. The webRDS process resulted in a sample of 358 recruits and a total sample of 415 participants, recruited over 1-15 waves. Of the participating seeds and recruits, 60% and 48%, respectively, successfully recruited at least one peer. The sample composition stabilized for all variables assessed. The sample proportions and RDSII estimates differed by 1-8% and the confidence intervals included the sample proportions for all variables except one. WebRDS successfully recruited a sufficient sample of workers with precarious employment from which population estimates could be made. Future studies should consider implementing webRDS on a national level in order to further study this population.en_US
dc.language.isoenen_US
dc.titleA performance assessment of web-based respondent driven sampling among workers with precarious employment in Sweden.en_US
dc.typeArticleen_US
dc.identifier.journalPlos One 2019; 14(1):e0210183en_US
dc.source.journaltitlePloS one


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