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. 2013 Jul 22;15(7):e140. doi: 10.2196/jmir.2626

Table 6.

Mean change in total website usage for the completers population and the ITT with LOCF from baseline to 12 weeks and baseline to 24 weeks within each treatment group.

Characteristic and follow-up time Treatment group
Mean change (SD)
Absolute difference between groups
LSM (95% CI)
P values for group effect

Basic Enhanced Enhanced vs basic Difference at follow-up Difference between groups
Intention-to-treat



Total website was usage since baseline (days)



12 weeks 24.6 (25.5) 34.1 (28.1) 9.45 (3.34, 15.56) .002 .002


24 weeks 31.8 (33.9) 43.1 (34.0) 12.47 (4.73, 20.20) .002
Completers





Total website was usage since baseline (days)



12 weeks 29.7 (26.6) 38.7 (28.5) 9.2 (–1.9, 16.5) .01 .02


24 weeks 42.0 (36.1) 49.8 (33.3) 8.1 (–3.3, 19.4) .16