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Table 3 General conjoint analysis of all respondents | Levels 2 and 3 compared to level 1

From: How do patients value and prioritize patient portal functionalities and usage factors? A conjoint analysis study with chronically ill patients

Attribute Level LogLike Diff. P-Value
Accessibility 1. Portal can be accessed via a computer (laptop and/or desktop) *  
2. Portal can be accessed via a tablet (for example iPad) −0.922 <  0.001
3. Portal can be accessed via a smartphone (for example iPhone) −1.086 <  0.001
Login 1. Username and password *  
2. DigiD with SMS verification 0.004 0.900
3. Username, password and SMS verification 0.018 0.540
Interoperability 1. No export of data *  
2. Export of data to non-interoperable format (e.g. PDF) 0.259 <  0.001
3. Export of data to interoperable format (e.g. Continuous Care Document) 0.165 <  0.001
Availability of information 1. Direct publication of info *  
2. Information delayed until discussed with provider −0.024 0.460
3. Available after 2 weeks independent if discussed with provider −0.184 < 0.001
Content 1. Reports and basic information (e.g. medication overviews) *  
2. Reports and basic information and professional summary 0.312 <  0.001
3. Complete uncensored medical file 0.303 <  0.001
Number of providers 1. Contains information about one provider (e.g. hospital or general practitioner) *  
2. Contains information about multiple providers (e.g. hospitals and general practitioner) 0.290 <  0.001
Patient-provider communication 1. No possibility to ask online questions *  
2. Possibility to ask questions about medical data in the portal or about earlier visits 0.684 <  0.001
3. Online in-patient consult 0.539 <  0.001
  1. * The asterisk indicates the base value