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. 2007 Apr 23;334(7603):1098. doi: 10.1136/bmj.39164.568183.AE

Table 4.

 Medication adherence report scale (MARS) scores

Time Intervention group (n=149) Control group (n=144) Adjusted mean difference (95% CI); P value*
Mean (median) No of respondents Mean (median) No of respondents
Baseline 23.82 (25) 133 23.64 (25) 127
3 months 24.11 (25) 112 24.09 (25) 96
6 months 23.74 (25) 101 23.55 (25) 103 0.12 (−0.48 to 0.73) units; P=0.68

Scores can range from 5 (very poor adherence) to 25 (perfect adherence).

*Analysis of covariance comparing results at six months adjusted for baseline score, site of recruitment, and New York Heart Association class.