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Table 1 Requirements of PtDA based on patients’ needs

From: Development of a web-based patient decision aid for initiating disease modifying anti-rheumatic drugs using user-centred design methods

Functional requirements
 • PtDA encourages patients to participate in medical decision-making.
 • PtDA provides overview of (all) available options for medication.
 • PtDA provides the opportunity to compare options for medication.
 • PtDA supports patients to gain insight into their preferences, worries and questions regarding medication.
 • PtDA urges patients to express their preferences, worries and questions about initiating medication.
Requirements for content, design and distribution
 • The PtDA includes information about the decision-making process, SDM and the importance of the role of the patient.
 • Available options for medication are listed to provide an overview.
 • Medication can be compared for:
  o Clinical aspects: aim and working mechanism of medication, manner of administration, time to benefit, risks for side effects, follow-up process, combination with other drugs, influence on fertility/pregnancy, continuing or stopping medication and history of medication.
  o Possible implications for daily life: restrictions for nutrition and alcohol, storage instructions, influence on daily routine and guidelines for traveling.
 • Tailoring:
  o Appropriate treatment options are tailored to individual patient.
  o Content of information is tailored to individual patient based on gender.
  o Content of information is tailored to individual patient based on desire to have children.
  o Content of information is tailored to individual patient based on risk profilea.
 • Information in PtDA is easy to read:
  o Pictograms are used as much as possible to decrease amount of text.
  o Pictures and videos are used to provide insight into administration of medication.
  o Information is written in plain language with links to definitions.
  o Information is provided in portions; amount and complexity of information can be adapted to individual needs.
 • PtDA provides the opportunity to give value to specific treatment options and features of the specific treatment options.
 • PtDA includes exercises to gain insight into patients’ preferences, worries and questions.
 • PtDA provides a summary of patients’ notes, preferences, worries and questions which can be saved and printed.
 • Can be used at home (i.e. outside the hospital).
 • Does not take more than 30 minutes to complete (on average).
  1. aNot realized in final PtDA
  2. PtDA Patient Decision Aid, SDM Shared Decision-Making