Skip to main content

Table 1 Composition of the questionnaire

From: Usability of a new digital walking program for older adults: a pilot study

Categories

Timepoint

Sub-categories

Item description

Scale

Reliability

(Cronbach’s α)

Source

General characteristic

• Pre

• Mid 1

• Mid 2

• Post

• General characteristics (five items)

• Health related characteristics (eight items)

• Sex, age, education level, family type, Height and weight, diagnosed disease(s), self-conceived health status

N/Aa

  

Digital health related characteristic

• Pre

• Digital health related characteristic (four items)

• Frequency of contact with health information, search methods, Internet use time, Internet use purpose

N/Aa

  

Cognitive age

• Post

• Four items

• One item each for four age dimensions (feel-age, look-age, do-age, and interest-age)

Category (20 s to 80 s)

-

Barak & Schiffman, 1981

E-Health Literacy

• Pre

• Mid 1

• Mid 2

• Post

• Eight items

• Self-report measures an individual's ability to search, use, compare and evaluate health information

Likert scale ranging from 1 to 5

.88

Park, 2017

Wearable Device App Literacy

• Pre

• Mid 1

• Mid 2

• Post

• Nine items

• Quiz on interpreting application screenshot

0 to 1

.82

Kim, 2008

Wearable Device App Usability

• Pre

• Mid 1

• Mid 2

• Post

• 20 items

• Effect (three items), Perceived Ease (five items), Perceived Usability (nine items), and User Control (three items)

Likert scale ranging from 1 to 5

.85-.92

Schnall, Cho & Liu, 2018

Digital health self-efficacy

• Pre

• Mid 1

• Mid 2

• Post

• 20 items

• Self-report questions related to terminology, problem solving, installation and utilization

Likert scale ranging from 1 to 5

.85-.90

Kim, 2017

Usefulness of Body Composition Scale

• Post

• 4 items

• Difficulty connecting to mobile

• Usefulness of the scale

Likert scale ranging from 1 to 4

  

MSG walking program evaluation

• Pre

• Mid 1

• Mid 2

• Post

• Nine items

• Program satisfaction, recommendation, suitability of application used

• Program usage fee (one open-ended question)

Likert scale ranging from 1 to 5

-

-

  1. aN/A: not applicable