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Table 2 Theory of planned behaviour and atheoretical outserts

From: Printed educational messages fail to increase use of thiazides as first-line medication for hypertension in primary care: a cluster randomized controlled trial [ISRCTN72772651]

  Content of atheoretical message Content of theory of planned behaviour-based message
Message wording Take a new look at THIAZIDES for first-line treatment for hypertension Prescribe thiazide diuretics as the first drug to treat patients with hypertension
BP control equal to all other antihypertensives You will be more effective in lowering your patients’ heart failure risk than if you prescribe calcium channel blockers
Better stroke prevention than ACE inhibitors You will be more effective in lowering patients’ stroke risk than if you prescribe ACE inhibitors
Better heart failure prevention than calcium channel blockers You can feel good about giving your patients the most effective treatment
You will be prescribing one of the most effective drugs as recommended by the Canadian Hypertension Education Program
Make THIAZIDES the first-line choice for YOUR patients Will YOU routinely prescribe thiazide diuretics? YES no
Attributes specified in study protocol
Banner Take a new look at THIAZIDES for first-line treatment for hypertension (11 words) Prescribe thiazide diuretics as the first drug to treat patients with hypertension (12 words)
Up to four bullet points (3 bullet points) (4 bullet points)
Up to 85 words (40 words) (85 words)
Key clinical messages with footnotes on back of card
Cite the ALLHAT trial as evidence base for the recommended behaviour