Table 2.
Acceptability measurements.
| Measures and items | Score or categories | Reference | |||||||
| Interest | |||||||||
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I found this online decision aid: | ||||||||
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Interesting | 1 = completely disagree – 5 = completely agree | [25] | |||||
| Usefulness | |||||||||
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I found this online decision aid: | ||||||||
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Useful | 1 = completely disagree – 5 = completely agree | [25] | |||||
| Ease of use | |||||||||
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I found this online decision aid: | ||||||||
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Easy to use | 1 = completely disagree – 5 = completely agree | [26] | |||||
| Trustworthiness | |||||||||
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I found this online decision aid: | ||||||||
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Trustworthy | 1 = completely disagree – 5 = completely agree | [25] | |||||
| Attitude toward application | |||||||||
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How good or bad did you find the following components (if you did not use the component, click not applicable) | [27] | |||||||
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The speed of the web app | 1 = very bad – 5 = very good |
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The lay-out | 1 = very bad – 5 = very good |
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The amount of text | 1 = very bad – 5 = very good |
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The videos | 1 = very bad – 5 = very good |
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The images | 1 = very bad – 5 = very good |
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The option to do a knowledge test | 1 = very bad – 5 = very good |
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The option to weigh the pros and cons about MPVa | 1 = very bad – 5 = very good |
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The option to prepare a conversation | 1 = very bad – 5 = very good |
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The option to find a location to get the MPV | 1 = very bad – 5 = very good |
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| Elaboration | |||||||||
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How well did you read the information on the information pages? | 1 = very superficially – 5 = very attentively | —b | ||||||
| Information evaluation | |||||||||
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Understandable (R)c | ||||||||
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I found the information in the decision aid: | |||||||
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Difficult to understand | 1 = completely disagree – 5 = completely agree | [25] | ||||
| Relevance | |||||||||
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I found the information in the decision aid: | |||||||
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Relevant | 1 = completely disagree – 5 = completely agree | [25] | ||||
| Quantity | |||||||||
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I found the information in the decision aid: | |||||||
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Much | 1 = completely disagree – 5 = completely agree | [25] | ||||
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Sidedness | ||||||||
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I found the information in the decision aid: | |||||||
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Independent | 1 = completely disagree – 5 = completely agree | [13] | ||||
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Engagement | ||||||||
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I found the information in the decision aid: | |||||||
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The online decision aid made me think about MPV | 1 = completely disagree – 5 = completely agree | — | ||||
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Support | ||||||||
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I found the information in the decision aid: | |||||||
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The online decision aid helped me in my decision about MPV | 1 = completely disagree – 5 = completely agree | [13] | ||||
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Recall | ||||||||
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I found the information in the decision aid: | |||||||
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I can recall the online decision aid well | 1 = completely disagree – 5 = completely agree | [13] | ||||
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Recommend | ||||||||
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I found the information in the decision aid: | |||||||
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I would recommend the online decision aid | 1 = completely disagree – 5 = completely agree | [26] | ||||
aMPV: maternal pertussis vaccination.
bNot applicable.
cR: negatively formulated items were reverse-coded.