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. 2007 May 9;9(2):e11. doi: 10.2196/jmir.9.2.e11

Table 4.

Results of logistic regression to predict engagement

Factor Odds Ratio (CI) Beta SE P value
Predictors of Initial Engagement (N = 2276)
Nourish (vs non) 0.02 (0.02-0.03) −3.78 0.18 < .001
Achieve (vs non) 0.17 (0.12-0.23) −1.79 0.17 < .001
Nourish × Achieve (Balance only) 3.97 (2.49-6.32)  1.38 0.24 < .001
Baseline BMI 0.99 (0.97-1.00) −0.02 0.01 .10
Age 1.01 (1.00-1.02)  0.01 0.01 .27
Female 1.68 (1.27-2.22)  0.52 0.14 < .001
Ethnicity (see below) .10
Diabetes diagnosis (vs non) 0.94 (0.73-1.20) −0.07 0.13 .60
CAD diagnosis (vs non) 1.16 (0.83-1.60)  0.14 0.17 .39
Self-efficacy 0.95 (0.85-1.06) −0.06 0.06 .32
Motivation 1.03 (0.97-1.10)  0.03 0.03 .27
Predictors of Ongoing Engagement (N = 2276)
Nourish (vs non) 0.09 (0.06-0.12) −2.46 0.18 < .001
Achieve (vs non) 0.34 (0.27-0.44) −1.07 0.13 < .001
Nourish × Achieve (Balance only) 2.04 (1.19-3.48)  0.71 0.27 .009
Baseline BMI 0.99 (0.97-1.01) −0.01 0.01 .44
Age 1.02 (1.01-1.03)  0.02 0.01 .001
Female 1.50 (1.12-2.01)  0.41 0.15 .006
Ethnicity .04
    White (vs non) 1.18 (0.92-1.51)  0.16 0.13 .20
    Black / African American (vs non) 0.68 (0.47-0.97) −0.39 0.18 .03
    Hispanic/Latino 0.88 (0.56-1.38) −0.13 0.23 .57
Diabetes diagnosis (vs non) 0.97 (0.76-1.25) −0.03 0.13 .81
CAD diagnosis (vs non) 1.01 (0.73-1.40)  0.01 0.17 .97
Self-efficacy 0.84 (0.75-0.95) −0.17 0.06 .003
Motivation 1.07 (1.00-1.14)  0.07 0.03 .04