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. Author manuscript; available in PMC: 2013 Jul 22.
Published in final edited form as: Arch Intern Med. 2012 Jan 23;172(4):329–336. doi: 10.1001/archinternmed.2011.1311

Table 3.

Change in Physical Activity and Complications

Within-Patient Change in Physical Activity From Baseline to 12 mo, kcal/wk
PE control PA intervention
Interval medical events
 No (n=193) 389 775
 1 interval medical event (n=39) 83 10
 2 interval medical events (n=5) 28 −1239
Total 328 602 *
*p=0.027
Controlling for interval medical events, diabetes and the interaction between interval medical events and randomization group

Abbreviations: PA, positive affect/self-affirmation; PE, patient education.

a

Interval medical events included cardiovascular and noncardiovascular events that would impede the patient’s ability to engage in physical activity: myocardial infarction, congestive heart failure, percutaneous coronary intervention, cardiac surgical procedures, ischemic colitis, stroke, and major medical complications (eg, shock and metastatic disease).