biostudies-literatureUnknown23(4)Sachdev PK<h4>Objective</h4>To develop and validate a Dental Nutrition Knowledge Competency Scale to assess dental health-related nutrition knowledge of low-income women.<h4>Design</h4>This is a cross-sectional study. A literature search for foods/dietary practices related to dental caries was conducted and the items were incorporated into an initial questionnaire. A panel of ten nutrition experts evaluated it for its content, readability and relevance, and a focus group of six low-income women determined its readability and comprehension. Then the questionnaire was administered to 150 low-income women. Construct validity was evaluated by item difficulty, item discrimination and factor analysis. Internal consistency reliability was tested via Cronbach's α. In a sub-sample of forty women, test-retestPublic health nutrition691-700https://www.ebi.ac.uk/biostudies/studies/S-EPMC10200570biostudies-literatureDevelopment and validation of the Dental Nutrition Knowledge Competency Scale for low-income women.PMC10200570Freeland-Graves JBabaei MSachdev PKfalseDevelopment and validation of the Dental Nutrition Knowledge Competency Scale for low-income women.<h4>Objective</h4>To develop and validate a Dental Nutrition Knowledge Competency Scale to assess dental health-related nutrition knowledge of low-income women.<h4>Design</h4>This is a cross-sectional study. A literature search for foods/dietary practices related to dental caries was conducted and the items were incorporated into an initial questionnaire. A panel of ten nutrition experts evaluated it for its content, readability and relevance, and a focus group of six low-income women determined its readability and comprehension. Then the questionnaire was administered to 150 low-income women. Construct validity was evaluated by item difficulty, item discrimination and factor analysis. Internal consistency reliability was tested via Cronbach's α. In a sub-sample of forty women, test-retest2020-01-01T00:00:00Z2020 Mar2025-05-31T23:14:19.04Z2025-05-31T23:14:19.04ZS-EPMC102005703158888410.1017/s136898001900271410.1017/S1368980019002714