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Table 4 Final conceptual framework for items to be included on the ePRO diary for psychometric evaluation

From: Development and content validity testing of patient-reported outcome (PRO) items to assess chest congestion associated with the common cold for use in children and adolescents

Concept

Item

Difficulty breathing

ePRO1. This morning/this afternoon, how hard was it to breathe air deep into your chest?

Chest tightness

ePRO2. This morning/this afternoon, how tight did your chest feel?

Chest pain

ePRO3. This morning/this afternoon, how much has your chest hurt when you’ve coughed?

Chest feels heavy

ePRO4. This morning/this afternoon, how heavy did your chest feel?

Chest feels full

ePRO5. This morning/this afternoon, how much did your chest feel full of mucus (goo)?

ePRO6. This morning/this afternoon, how stuffed up did your chest feel?

ePRO7. This morning/this afternoon, how clogged up did your chest feel?

Difficulty clearing mucus

ePRO8. This morning/this afternoon, how hard was it to clear your chest?

ePRO9. This morning/this afternoon, how hard was it to clear your throat?

ePRO10. This morning/this afternoon, how hard was it to cough up mucus (goo) from your chest?