Post on 11-Jul-2015
transcript
1 30 november 2010
Patient usability in
on line health information
casus Dutch national health portal kiesBeter
2 30 november 2010
1. Usability2. www.kiesbeter.nl3. Research- Methods- Outcomes4. Implications
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1. Usability
● Human Centered Design
● Adherence– Usability essential for adherence
“perceived ease-of-use” (Davis, 1998) design navigation findability searchability persuasiveness
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1. Usability
● Usability research: social science meets
technology meets design meets
people
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2. National health and care portal
Assignment of NL Ministry of Health 2004 – 2012
Objectives- to help people with questions and choices in health and health
care- to disseminate information on quality- to encourage choice behaviour
> Annual budget: circa 3M euro, 12 fte
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2. National health and care portal
Unique visitors per month
0
100.000
200.000
300.000
400.000
500.000
600.000
jan feb mrt apr mei jun jul aug sep okt nov dec
20062007200820092010
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2. National health and care portal
● How about the usability for chronic patients and their carers?
● Should it be improved?
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3. Research
Cooperation between RIVM and IBR-Center for eHealth Research and Disease management (University of Twente)
Objectives:
1. Formulate recommendations for usability improvement portal
1. Contribute to usability research
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3. Research
● Participants (n = 21)
● Education (medium-high)
● eHealth literacy (high)
012345678
Arthritis Asthma Diabetes
femalemale
mean age 54ymean age 54y mean age 36ymean age 36y
mean age 50ymean age 50y
mean age 47yrsSD = 15,5
mean age 47yrsSD = 15,5
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3. Research
● Methods
1. Scenario study› Think-aloud protocol› Cognitive walk throughs› Screen capture software
2. Website Evaluation Questionnaire
3. Focus group
3. Research● Outcomes
Scenario - Basic search strategy is ORIENTEERING (65%) vs TELEPORTING (16%)
- Partial and/or unsuccessful scenarios are common
- Age & Education correspondwith performance
Topic % of ss who finished a scenario
% successful completion
Medical information
81% 60%
Care providers
100% 71%
Health insurances
71% 33%
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3. Research● Outcomes
Think-aloud
Interviews
- Recorded verbal expressions -
usability category scenarios interviews
Lay out
Navigation 81%; 43%+ 33%; 51%+
Content 18%; 34%+ 47%; 74%+
Acceptance
Satisfaction
Empowerment
All 41%+ 61% +
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3. Research● Outcomes
FocusgroupDisagreement and consenus with regard to
Lay out presentation of search results; font size; colour
Navigation search options; autocomplete; readspeaker;
Content comprehensiveness, language
Acceptance dead links, consistency
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3. Research
Consensus:
Chronic patients need comprehensive information; expect support in searching to quickly find information
Improve Findability, Simplicity, NavigationLay out, Acceptance, Satisfaction +/-Content +
(no priority: small changes increase overall usability)
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4. Implications
Many front end / back end adaptations
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4. Implications● For usability research
– Intensive but productive: social science works: qualitative methods combined with quantitative measurement
– Outcomes comply with other findings– Applicable to 2.0 interventions (co-creation, co-design)
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Thank youThank you