Table 2 A theory-based framework of analysis with emerging sub-themes – helping (+) or hindering (−), quotations are described in text

Content of computer-based decision support guidance	Usefulness for professional’s work (+)
	Non-helpfulness for professional’s work (−)
	Reliability (+)
	Quality (+)
System functionality	Ease of use (+)
	Speed (+)
	Too much, too small text (−)
	Impracticality (−)
Professional-associated features	Motivation (+/−)
	General attitude (+)
	Poor competence (−)
Patient-associated features	Reasons for visit (−)
Patient-associated features	Low thresholds for reminders (−)
Environment-related features	Busy practice (−)
Environment-related features	Swine-flu epidemic (−)
Other features	Development issues (+)

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