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. Author manuscript; available in PMC: 2012 Apr 21.
Published in final edited form as: Health Educ Behav. 2007 Dec 15;36(2):394–409. doi: 10.1177/1090198107309458

Table 2.

Significant findings regarding the comparison of outcomes between treatment groups (intent-to-treat) controlling for baseline value, age, race, education and site1

Month 12 Month 18
Outcomes Comparison b Estimate p-value Estimate p-value
Symptom Experience c
 Total Symptom Number (0–14) (A v C) SD v C 0.29 0.531 −0.57 0.039
(B v C) G v C 0.19 0.915 −0.04 0.369
(A v B) SD v G 0.10 0.622 −0.53 0.258
 Total Symptom Frequency (0–70) (A v C) SD v C 0.65 0.284 −1.24 0.093
(B v C) G v C 1.44 0.931 0.92 0.709
(A v B) SD v G −0.79 0.293 −2.17 0209
 Total Symptom Bother (0–70) (A v C) SD v C 0.90 0.339 −2.31 0.017
(B v C) G v C 0.65 0.484 0.18 0.269
(A v B) SD v G 0.25 0.788 −2.49 0.210
Cardiac Symptoms
 Number of Common Cardiac Symptoms (0–5) (A v C) SD v C 0.03 0.783 −0.22 0.016
(B v C) G v C −0.04 0.412 −0.03 0.546
(A v B) SD v G 0.07 0.606 −0.19 0.060
 Frequency of Common Cardiac Symptoms (0–25) (A v C) SD v C 0.03 0.724 −0.55 0.033
(B v C) G v C 0.03 0.494 0.18 0.915
(A v B) SD v G 0.00 0.746 −0.73 0.044
 Bother with Common Cardiac Symptoms (0–25) (A v C) SD v C 0.30 0.905 −0.73 0.018
(B v C) G v C −0.07 0.337 0.07 0.515
(A v B) SD v G 0.37 0.421 −0.81 0.071
6-minute walk distance (ft) d (A v C) SD v C 31.4 0.409 12.1 0.777
(B v C) G v C 79.7 0.036 22.5 0.585
(A v B) SD v G −48.3 0.202 −10.4 0.806
Weight (lbs) d (A v C) SD v C −0.44 0.676 1.50 0.305
(B v C) G v C −1.27 0.212 −1.72 0.227
(A v B) SD v G 0.84 0.412 3.22 0.026

The total Sickness Impact Profile score and the physical and psychosocial dimension scores are not included as no significant findings between groups were found at 12 and 18 month follow-up.

b

(A) SD = Self-Directed Format, (B) G = Group Format, (C) C = Control Group.

c

Analysis utilized log-transformed normal regression

d

Analysis utilized normal regression