Table 3.
Random effects regression coefficients on number of days per week exercised at FU.
|
|
Number of days exercised 1st FU Regression coefficient (P value) |
Number of days exercised 2nd FU Regression coefficient (P value) |
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|
|
Main effects only | Interaction included | Main effects only | Interaction included | |
| 1st FU | NA | NA | 0.52 (<.001) | 0.49 (<.001) | |
| Baseline | 0.61 (<.001) | 0.64 (<.001) | 0.35 (<.001) | 0.38 (<.001) | |
| Diary+Game first | 0.55 (.08) | -0.30 (.40) | 0.23 (<.35) | 0.01 (.89) | |
| Male | 0.45 (.11) | 0.37 (.14) | -0.19 (.45) | -0.19 (.16) | |
| Education | 0.59 (.09) | 0.52 (.07) | 0.24 (.25) | 0.24 (.61) | |
| Asian ethnicity | -0.40 (.12) | -0.35 (.15) | 0.20 (.27) | 0.20 (.36) | |
| Hispanic ethnicity | 0.42 (.31) | 0.37 (.37) | 0.79 (.004) | 0.78 (.004) | |
| Age | 0.03 (.34) | 0.05 (.09) | 0.04 (.017) | 0.04 (.011) | |
| Alter (vs ego) | 0.68 (.035) | -0.15 (.65) | 0.18 (.47) | -0.03 (.93) | |
| Ego-network characteristics |
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|
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|
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Group size | -0.03 (.76) | -0.03 (.72) | -0.04 (.25) | -0.05 (.25) |
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Mean group age | -0.01 (.70) | -0.02 (.57) | -0.02 (.33) | -0.03 (.30) |
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|
Group age SD | 0.07 (.012) | 0.06 (.023) | 0.01 (.53) | 0.01 (.54) |
| Outcome |
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|
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|
|
Estimated baseline BMI | -0.04 (.26) | -0.04 (.18) | 0.01 (.79) | 0.0 (.88) |
| Condition by status |
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|
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Diary+Game alter interaction | not applicable | 1.74 (.009) | not applicable | 0.48 (.26) |
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Adjusted R2 | 57% | 63% | 79% | 79% |