Appendix C: Template of the questionnaire

Table C.1Template of the questionnaire

Number / Type of Question / Question / Readability topic
1 – Quest A / Direct question* / What is the name of the medicine? [2, 3-6] / Identification
Name
1 – Quest B / Direct question / What is the name of the principal component of the medicine?/What are the names of the principal components of the medicine? [2, 3-6] / Identification
Composition
2 – Quest A / Scenario question** / Imagine that you had <... >.a How many/How much tablets/capsules/solution etc. can you take/apply per day/week, etc.?[2, 5, 6, 8, 9, 10, 12] / Posology
Quantity
2 – Quest B / Scenario question / Imagine that you had <... >.a How many times per day may you take/apply this medicine?[2, 5, 6, 8-10, 12] / Posology
Frequency
3 – Quest A / Scenario question / Imagine that you have a family member who is pregnant. Explain if this person may take/administer this medicine.[5-8, 11, 12] / Pregnancy
3 – Quest B / Scenario question / Imagine that you have a family member who is breast-feeding. Explain if this person may take/administer this medicine.[5-7, 11] / Breast-feeding
4 – Quest A / Scenario question / Imagine that you took too much medicine. Explain what you will do.[5, 6, 12] / Overdose
4 – Quest B / Scenario question / Imagine that you forgot to take/administer the medicine. Explain what you will do.
[2, 5, 7-10, 13] / What you do if you miss a dose
5 – Quest A / Scenario question / Imagine that you have <…>.b Please indicate if you may take/administer this medicine.[4-6, 14, 15] / Contraindications/Precautions
5 – Quest B / Scenario question / Imagine that you were taking/applying another medicine with the following composition: <... >.c Explain what may happen if you take/use these two medicines at the same time.[5-8, 11, 12, 14] / Interactions
6 – Quest A / Explanatory question*** / Explain if you may drive in case you are taking/administering this medicine.[5, 7, 11] / Driving
6 – Quest B / Explanatory question / Explain how you would take/administer this medicine.[2, 5, 6, 8-10, 12] / Administration/Application
7 – Quest A / Explanatory question / Explain what is the action/effect of this medicine.[2-5, 7-10] / Effect/Action
7 – Quest B / Explanatory question / Explain how you would store this medicine. [2-7, 14] / Storage
8 – Quest A / Direct question / What is/are the name(s) of the diseases/health problems that this medicine helps to treat/cure?[2-7, 11-15] / Indications
8 – Quest B / Scenario question / Imagine that after you take/apply the medicine <…>d appear during several days. Imagine that after you take/apply the medicine <…>b appear during several days. Explain what you would do in case of this happening.[2, 4-7, 9, 11, 14, 15, 20] / Adverse drug
reactions

Quest: Questionnaire

* The participant was required to designate a certain item/items; ** The participant was required to give a solution based on an imaginary scenario; *** The participant was required to designate and explain a certain item.; aA name of a disease was randomly selected; bA clinical situation related to a contraindication was randomly selected (if the medicine not presented contraindications, a precaution was used instead).; cThe name of an active component that interact with the medicine was randomly selected.; dA drug adverse reaction was randomly selected. Respectively, the first name, contraindication/precaution, interaction, and drug adverse reaction described in the text was excluded, because it was considered more accessible to the reader.