Table 1

Quantitative variables and measurements

DimensionQuestionnaireVariables and measurementResponse options
Patient questionnaireProvider questionnaire
Access
ICT possession
Possession and use of modern information and communication technologies29Possession of cell phone; smartphone; desktop, laptop or tablet computer; fitness tracker or smartwatch. Internet access; subscription for smartphone; subscription at home. Download speed: >50.0 Mbit per second; 20.0–50.0 Mbit; <20.0 MbitPossession of cell phone; smartphone; desktop, laptop or tablet computer; fitness tracker or smartwatch.Patients: yes/no/don’t know
Providers: employer’s device/own device/no device
Understand and appraise
Confidence using ICT
I feel confident using my smartphone, tablet, laptop and/or desktop computer. I feel confident using the internet; the internet makes my everyday life easierNot at all/ not true/neither/applies/fully applies
Confidence using eHealtheHealth literacy28I understood health information on the internet, which I have already used well; eHealth offers (online health offers) have raised my medical knowledge; I know where I can find suitable eHealth offers for my health issues; I know how to find suitable applications (apps) for my healthcare; I know how to use health apps; the offers on the internet are useful for making decisions about my health; Feeling safe making decisions based on online information and/or offers; I can differentiate reliable from unreliable online information and/or offersOnline offers (eg, training programmes) have raised my medical knowledge; I know how to find suitable apps for the healthcare of my patients; The offers on the internet are useful for making decisions about the health of my patients; Feeling safe making decisions based on online information; I can differentiate reliable from unreliable online information and/or offers10-point Likert scale: ‘I totally disagree’ to ‘I totally agree’
Apply
General ICT usage
Possession and use of modern information and communication technologies29Frequency of internet-use: to send and/or receive emails; to read news (eg, online magazine or newspaper); for social networking (eg, Facebook); to communicate (eg, chat, Skype, Facetime, WhatsApp); to download mobile apps; use mobile apps on the smartphone (eg, train timetable, weather); watch films; use a fitness tracker (eg, record pulse, speed, distance) or a smartwatchFrequency of internet-use to: send and/or receive emailsNever/several times a year /several times a month/several times a week/daily
eHealth usageeHealth usage questionnaire28Do you use apps which support you in a healthy lifestyle? If yes, which ones? (open text)
Which of the devices do you prefer to use to search for information on the internet? (Smartphone, tablet, portable or desktop computer)
Do you use apps in your private life which support you in a healthy lifestyle? Do you recommend apps to your patients that support them in a healthy lifestyle?Yes, no
Frequency of internet-use to: contact a physician or another health professional via email; search for health information (eg, on illness, symptoms, therapies); search for a medical specialist; download and store health information (eg, brochures, pictures, videos); read a health issue related blog; discuss with other patients in an online forum; participate in a self-help group; remind you of a doctor’s appointment (eg, SMS or email); other health-related purposes (eg, online database)Frequency of internet-use to: contact patients via email; search for information (eg, on diseases, therapies); communicate with patients (eg, SMS, Skype, Facetime, WhatsApp); discuss with patients in an online forum; make appointments with patients; remind patients of an appointment (eg, SMS or email)Never/several times a year /several times a month/ several times a week/daily
  • ICT, information and communication technologies.