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Table 4 Dimensions of the psychosocial questionnaire used in PREVED study

From: Impact of perinatal environmental health education intervention on exposure to endocrine disruptors during pregnancy—PREVED study: study protocol for a randomized controlled trial

Dimension of the psychosocial questionnaire Origin of corresponding question or questions Comment
Self-esteem French version of the “Self-esteem scale” [49] Score ranges from 10 to 40: the lower the score, the lower self-esteem. Items for this score are self-administered
Perceived health Created for the questionnaire Score ranges from 0 to 100 on a visual analogic scale
Health care renunciation and risk aversion Inspired by French national investigations [50, 51] Use of visual analogic scales
Risk perception Created for the questionnaire and based on the Perception of Pregnancy Risk Questionnaire [52] Use of visual analogic scales. A composite and global score of perinatal risk perception related to EDC exposure was created
Knowledge about endocrine-disrupting chemicals (EDCs): routes and sources of exposure, ability to name some EDC’s molecules or families of molecules and definition of an EDC Created for the questionnaire A composite score was created. A catalog of photo images illustrates sources of exposure
Perceived knowledge about EDCs Created for the questionnaire Use of a visual analogic scale
Expectations for a “healthy baby” Based on “the healthy baby concept” [53] Use of a visual analogic scale and a catalog of photo images
Trusted person Created for the questionnaire The answer to this question aims to identify the trusted person, who exerts the most influence on the pregnant woman
Level of concern about five risks related to pregnancy Created for the questionnaire This exploration is meant to establish a hierarchy, with respect to chemical risk concerns. A catalog of photo images is used
The way the pregnant woman heard about EDCs and, if so, how she experienced the information she received Created for the questionnaire These two parameters explore the role of information provided by the media, professional studies, and relationships (personal, friendly, professional, health professionals)
Relationship to risk visibility Created for the questionnaire Likert-type response