Table A1.
Checklist for Reporting Results of Internet E-Surveys (CHERRIES).
| Item Category | Explanation | |
|---|---|---|
| Design | The study involved a convenience sample. Eligibility criteria included being 18 years of age or older and taking at least 1 prescribed medicine per day. | |
| IRB | Approval: | The study has been approved by the Ethics Commission of the Faculty of Pharmacy of the University of Porto, Portugal. |
| Informed consent: | Before completing the questionnaire, all participants provided electronic informed consent. | |
| Data protection: | No information that allows for personal identification was collected. | |
| Development and pre-testing | The survey was developed by a multidisciplinary team of adherence experts and pilot-testing was performed with a group of 5 individuals. | |
| Recruitment process | Survey type: | The data was collected using an open survey. |
| Contact mode: | Initial contact with participants was made on the Internet, through email or social media. | |
| Advertising the survey: | A link was created and posted on social media platforms and disseminated through the general mailing list of the University of Porto, for students, alumni, teachers, and non-teaching staff | |
| Survey administration | Web/E-mail: | The survey was input on an online survey platform—LimeSurvey. Data was entered automatically when participants responded to the questions. |
| Context: | The survey was disseminated using the mailing lists of the University of Porto, and trough the official pages of the University of Porto. Also, it was posted on the social media pages of the University of Porto, and also on Porto4Ageing, the Competence Centro on Active and Healthy Ageing. | |
| Mandatory/voluntary: | The survey was voluntary. | |
| Incentives: | None. | |
| Time/Date: | 1st March and 3rd April 2021 | |
| Randomization of items or questionnaire: | N/A | |
| Adaptive questioning: | Some questions only were displayed if certain answers were previously selected. | |
| Number of items: | Maximum of 38 questions (adaptive questioning). | |
| Number of screens: | 7 screens. | |
| Completeness check: | All items were mandatory, and only one response could be chosen. | |
| Review step: | Participants could go back, review or change their answers using a back button | |
| Response rates | Unique site visitor: | N/A |
| View rate: | N/A | |
| Participation rate: | N/A | |
| Completion rate: | N/A | |
| Preventing multiple entries | Cookies used: | Not used |
| IP check: | Not used | |
| Log file analysis: | Not used | |
| Registration: | N/A | |
| Analysis | Handling of incomplete surveys: | Only completed surveys were analysed. |
| Questionnaires submitted with an atypical timestamp: | N/A | |
| Statistical correction: | N/A | |