. Author manuscript; available in PMC: 2013 Nov 5.

Published in final edited form as: J Telemed Telecare. 2011 Nov 3;18(1):10.1258/jtt.2011.110311. doi: 10.1258/jtt.2011.110311

Table 2. Intention-to-treat analysis of post-pre change in outcomes.

	Post-Pre change	SE	Cohen's d	P value^a
Primary outcome
1-mile walk (min)	−0.77	0.22	0.41	0.001
Anthropometrics
BMI	−0.28	0.11	0.07	0.045
Weight (kg)	−0.93	0.31	0.07	0.017
Waist (cm)	−1.33	0.57	0.14	0.049
Waist/hip	−0.01	0.01	0.09	0.308
Psychometrics
Exercise goals	0.67	0.12	0.74	0.001
Exercise planning	0.48	0.09	0.76	0.001
Negative exercise thoughts	−0.53	0.08	0.87	0.001
Social support from family	0.27	0.10	0.39	0.051
Social support from friends	0.20	0.09	0.34	0.102
Self efficacy for walking	−0.38	0.27	0.21	0.198
SE for CDC recommended PA	−1.23	0.43	0.69	0.032

Corrected for multiple testing using Holm's method. No correction was used for one-mile walk. Separate corrections were used for the anthropometrics (4 tests) and psychometric outcomes (7 tests). Estimated changes and standard errors are model-based estimates averaged across the treatment groups