Web-based survey attracted age-biased sample with more severe illness than paper-based survey

Journal of Clinical Epidemiology

Volumn 62, Issue 10, 2009, Pages 1068-1074

  Klovning, Atle ^a,b   Sandvik, Hogne ^a   Hunskaar, Steinar ^a  

^a UNIVERSITY OF BERGEN   (Norway)

^b Centre for Medical Web Research   (Norway)

Author keywords

Epidemiological methods; Health surveys; Internet; Response bias; Urinary incontinence; World Wide Web

Indexed keywords

ADULT; ARTICLE; COMPARATIVE STUDY; CONTROLLED STUDY; DISEASE SEVERITY; FEMALE; HEALTH SURVEY; HUMAN; INFORMATION PROCESSING; INTERNET; NONRESPONSE BIAS; PREVALENCE; PRIORITY JOURNAL; SAMPLE SIZE; STATISTICAL ANALYSIS; STATISTICAL SIGNIFICANCE; SYSTEMATIC REVIEW; URINE INCONTINENCE; WEB BROWSER;

ADULT; AGE DISTRIBUTION; AGE FACTORS; AGED; BIAS (EPIDEMIOLOGY); FEMALE; HEALTH SURVEYS; HUMANS; INTERNET; MIDDLE AGED; NORWAY; PATIENT SELECTION; PREVALENCE; SEVERITY OF ILLNESS INDEX; URINARY INCONTINENCE; YOUNG ADULT;

EID: 69949101504     PISSN: 08954356     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jclinepi.2008.10.015     Document Type: Article

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