Development and validation of the atopic dermatitis and infant skincare knowledge, attitude, and practice (ADISKAP 1.0) scale

IMPORTANCE: Preserving skin health is crucial for atopic dermatitis control as well as for the thriving of children. However, a well‐developed and validated tool that measures the knowledge, attitude, and practice of skin care is lacking. OBJECTIVE: To develop and validate the atopic dermatitis and infant skincare knowledge, attitude, and practice (ADISKAP 1.0) scale that measures parental health literacy on atopic dermatitis and skin care. METHODS: We conducted a review of the literature, a focus group (two dermatologists and 12 parents), and a panel discussion in order to generate the ADISKAP prototype. Two samples of parents with knowingly superior (dermatologists, n = 59) and inferior (general population, n = 395) knowledge traits participated in the validation of ADISKAP. Cronbach's alpha was reported as a measure of internal consistency, and the intraclass correlation coefficient (ICC) was calculated to assess the test‐retest validity. The known‐groups technique was used to evaluate construct validity. RESULTS: The ADISKAP scale contained 17 items after content and face validity validation. After removing items that displayed poor test‐retest reliability (n = 4) and construct validity (n = 3), 12 items were retained in the ADISKAP 1.0. INTERPRETATION: ADISKAP 1.0 is a reliable and valid tool for assessing parental knowledge, attitude, and practice on infantile atopic dermatitis and skin care.