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Table 2 Ability of parents to respond to the items

From: Content validity of the Patient-Reported Outcomes Measurement Information System Sleep Disturbance and Sleep Related Impairment item banks in adolescents

Questionnaire

Percentage of items answered by all parents

Percentage of items ≥30 % parents could not answer

PROMIS Sleep Disturbance (SD)

7

89

PROMIS Sleep Related Impairment (SRI)

31

38