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Table 3 Proportion of Participants Adhering to their Chosen CHD Risk Reduction Therapy at 3-month Follow-up

From: A randomized trial of an intervention to improve use and adherence to effective coronary heart disease prevention strategies

Chosen therapy (number in analysis) Control % (n/N) Intervention %(n/N) Absolute difference (95% CI) (p-value)* Odds ratio (95% CI)* Adjusted absolute difference, p-value† Adjusted odds ratio (95% CI) †
Any chosen therapy promoted by intervention (n = 149) ‡ 34% (25/73) 59% (45/76) 25%
(8% to 42%)
(p < 0.01)
2.8
(1.3 to 5.9)
25%, p < 0.01 3.4
(1.4 to 6.9)
Any chosen therapy, including other§ (n = 154) 68% (52/77) 83% (64/77) 16%
(4% to 28%)
(p = 0.02)
2.4
(1.2 to 4.9)
14%, p = 0.04 2.2
(1.0 to 4.8)
Take aspirin (n = 51) 58% (11/19) 94% (30/32) 36%
(17% to 55%)
(p < 0.01)
10.9 (2.0 to 59) 39%, p < 0.01 12.8
(2.0 to 84)
Take cholesterol medicine (n = 20) 83% (5/6) 86% (12/14) 3%
(-28% to 33%)
1.2
(0.1 to 12.3)
-- --
Take blood pressure medicine (n = 21) 92% (11/12) 100% (9/9) 8%
(-9% to 25%)
--|| -- --
Stop smoking (n = 13) 20% (1) 25% (2) -- -- -- --
  1. Abbreviations: CHD = Coronary Heart Disease
  2. * Adjusted for clustering within physician
  3. † Adjusted for education level, and random effects of clustering within physician
  4. ‡ "Any chosen therapy promoted by intervention" includes hypertension med, cholesterol med, smoking cessation, aspirin
  5. § "Any chosen therapy, including other" includes hypertension med, cholesterol med, smoking cessation, aspirin, diet, and physical activity
  6. || Unable to calculate due to small cell size