Total
(N=58)
CM
(N=29)
CM/SBCM
(N=29)
x21 p
# Sessions 11.19±15.02 9.66±13.10 12.72±16.81 0.781 0.44
# weeks 5.34±5.98 4.76±5.37 5.93±6.58 0.741 0.46
Reward earned $87.62±153.36 $72.00±135.60 $103.24±170.26 0.771 0.44
Reward redeemed $75.85±155.57 $60.46±136.92 $91.23±173.29 0.751 0.46
Ratings of CM
(1-10, low to high)
         
Rules easy to understand 9.16±2.04 9.14±2.12 9.17±2.01 0.062 0.95
Facility convenient 7.84±3.07 6.95±3.23 8.70±2.70 1.962 0.06
Incentives motivating 8.09±2.87 7.73±3.10 8.43±2.64 0.822 0.41
UA days/times good 7.69±2.65 6.77±3.13 8.57±1.75 2.363 0.03
Staff helpful 9.82±0.58 9.91±0.43 9.74±0.69 1.004 0.32
Barriers to participation          
Location 22.2% 36.4% 8.7% 4.98 0.03
Schedule 31.1% 36.4% 26.1% 0.55 0.46
Incentives not motivating 6.7% 4.5% 8.7% 0.31 0.58
Not ready to quit 15.6% 22.7% 8.7% 1.69 0.19
No barriers 33.3% 18.2% 47.8% 4.45 0.04
Incentives enough to be motivating 82.2% 68.2% 95.7% 5.81 0.02
Chi-square tests for categorical variables and t-tests for continuous variables were used to compare between groups. Statistics and p-values are bolded when p < 0.05. 1t562 t433 t32.68 with unequal variances 4t36.95 with unequal variances
Table 2: CM Attendance, Rewards Earned, and Process Measures by Intervention (% or mean ± S.D.).
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