Volunteer Bias in Recruitment, Retention, and Blood Sample Donation in a Randomised Controlled Trial Involving Mothers and Their Children at Six Months and Two Years: A Longitudinal Analysis

PLoS ONE

Volumn 8, Issue 7, 2013, Pages

  Jordan, Sue ^a   Watkins, Alan ^a   Storey, Mel ^a   Allen, Steven J ^a   Brooks, Caroline J ^a   Garaiova, Iveta ^b   Heaven, Martin L ^a   Jones, Ruth ^a   Plummer, Sue F ^b   Russell, Ian T ^a   Thornton, Catherine A ^a   Morgan, Gareth ^a  

^a SWANSEA UNIVERSITY   (United Kingdom)

^b Obsidian Research Limited   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

PLACEBO; PROBIOTIC AGENT;

ADULT; ARTICLE; ATOPIC DERMATITIS; BLOOD DONOR; BLOOD SAMPLING; BLOOD SAMPLING DONATION; CHILD; CONTROLLED STUDY; DOUBLE BLIND PROCEDURE; DRUG EFFICACY; DRUG ERUPTION; DRUG SAFETY; FEMALE; HUMAN; INFANT; LONGITUDINAL STUDY; MAJOR CLINICAL STUDY; MATERNAL BEHAVIOR; PARENTAL CONSENT; RANDOMIZED CONTROLLED TRIAL; RANDOMIZED CONTROLLED TRIAL (TOPIC); RESEARCH SUBJECT; RISK REDUCTION; SKIN TEST; SMOKING; SYSTEMATIC ERROR; VOLUNTEER; VOLUNTEER BIAS;

ADULT; CHILD, PRESCHOOL; FEMALE; HUMANS; INFANT; LONGITUDINAL STUDIES; MALE; MOTHERS; OUTCOME AND PROCESS ASSESSMENT (HEALTH CARE); RANDOMIZED CONTROLLED TRIALS AS TOPIC; RESEARCH DESIGN; RISK FACTORS; SELECTION BIAS; VOLUNTEERS;

EID: 84879978252     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0067912     Document Type: Article

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