Table 4 Study instruments and scoring system.

From: Factors influencing quality of life in children with atopic dermatitis and their caregivers: a cross-sectional study

● 36-item short form survey (RAND-36)

The score ranges from 0 to 100, with a lower score indicating poorer health or functioning41.

● The Infants’ Dermatitis Quality of Life Index (IDQOL)

The questionnaire contains ten questions covering six areas of daily activities including symptoms and feelings, leisure, school or holidays, personal relationships, sleep, and treatment36. Each question is answered on a 4-point Likert scale scored from 0 to 3. These are added to give a minimum score of 0 and a maximum score of 30. A higher score indicates a greater degree of QoL impairment36. The severity banding for IDQOL scores: 0–1 = no effect on infant’s life; 2–5 = small effect; 6–10 = moderate effect; 11–20 = very large effect; 21–30 = extremely large effect42.

● The Children’s Dermatology Life Quality Index (CDLQI)

The questionnaire contains ten questions covering six areas of daily activities including symptoms and feelings, leisure, school or holidays, personal relationships, sleep, and treatment1. Each question is answered on a 4-point Likert scale scored from 0 to 3. These are added to give a minimum score of 0 and a maximum score of 30. A higher score indicates a greater degree of QoL impairment1. The severity banding for CDLQI scores: 0–1 = no effect on child’s life; 2–6 = small effect; 7–12 = moderate effect; 13–18 = very large effect; 19–30 = extremely large effect1,43.

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