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Table 1 Primary outcome measures

From: Improving patient adherence to lifestyle advice (IMPALA): a cluster-randomised controlled trial on the implementation of a nurse-led intervention for cardiovascular risk management in primary care (protocol)

Outcome measure

Instrument (Number of items, reference, validated yes/no)

Analysis

Fruit and Vegetables

8 items; [66]; Validated questionnaire

mean sum score; proportion meeting recommendations

Fat intake

35 items; [67] Validated questionnaire

mean sum score

Physical exercise

15 items; [68, 69]; validated questionnaire, modified Dutch version of the CHAMPS has not been validated.

mean; proportion meeting recommendations

Smoking

2 items; [70]; Validated questionnaire

proportion smoking

Alcohol consumption

2 items; [71]; validated questionnaire

proportion meeting recommendations

Adherence to medical treatment

5 items; (MARS) [72], not validated

mean

Cholesterol level

[6] Measured by nurse

mean score, proportion above recommendation

Blood pressure

[6] Measured by nurse

mean score, proportion above recommendation

Body Mass Index

[6] Measured by nurse

mean score, proportion above recommendation

10-year risk of CVD

based on patient's sex, age, blood pressure, cholesterol and smoking behaviour; [73];

mean score, proportion above recommendation