Table 6. Multilevel models with various social interactions, wave, and social interactions by wave predicting PA.
| No One | Partner | Family | Friends | |||||
|---|---|---|---|---|---|---|---|---|
| N observations | 15,189 | 10,284 | 15,189 | 15,189 | ||||
| N participants | 188 | 124 | 188 | 188 | ||||
| Estimate | SE | Estimate | SE | Estimate | SE | Estimate | SE | |
| Fixed effects | ||||||||
| Intercept | 54.58*** | 4.55 | 55.23*** | 6.85 | 53.81*** | 4.62 | 54.49*** | 4.57 |
| Momentary social interaction | -2.62*** | 0.56 | 3.09*** | 0.73 | 4.00*** | 0.86 | 5.38*** | 0.86 |
| Wave 2 | -3.29* | 1.40 | -1.10 | 1.60 | -1.58 | 1.35 | -1.53 | 1.37 |
| Wave 3 | -0.90 | 1.08 | 0.97 | 1.19 | -0.81 | 1.01 | -0.11 | 1.04 |
| Wave 4 | -2.37* | 1.14 | 0.32 | 1.25 | -1.71 | 1.06 | -1.21 | 1.07 |
| Social Interaction:wave 2 | 2.51** | 0.80 | -2.10* | 1.04 | -3.53** | 1.24 | -3.11* | 1.41 |
| Social Interaction:wave 3 | 0.69 | 0.66 | -1.05 | 0.87 | 0.02 | 1.07 | -2.41* | 1.11 |
| Social Interaction:wave 4 | 1.79* | 0.70 | -1.60 | 0.91 | -0.67 | 1.16 | -2.91* | 1.20 |
| Social interaction proportion | -2.47 | 2.75 | 1.39 | 3.14 | -1.73 | 3.34 | 6.14 | 5.05 |
| Control Variables | ||||||||
| Age | 4.55** | 1.61 | 5.01* | 2.13 | 4.76** | 1.65 | 4.17* | 1.63 |
| Gender (male) | 5.56* | 2.49 | 5.10 | 2.95 | 5.22* | 2.56 | 4.90 | 2.53 |
| Race (white) | -1.95 | 3.19 | -3.78 | 4.70 | -3.88 | 3.26 | -4.52 | 3.24 |
| Living with spouse or partner | 3.25 | 2.94 | -- | -- | 3.82 | 2.95 | 4.61 | 2.94 |
| College | -3.88 | 2.67 | -5.42 | 3.42 | -2.63 | 2.74 | -2.56 | 2.71 |
| Working | 3.65 | 2.78 | 6.36 | 3.40 | 3.67 | 2.85 | 3.14 | 2.83 |
| Income 1 ($30,000–$59,999) | 0.67 | 3.49 | 0.55 | 5.09 | 0.01 | 3.56 | 0.28 | 3.53 |
| Income 2 ($60,000–$99,999) | 1.02 | 4.15 | 0.28 | 5.32 | 0.63 | 4.26 | 1.63 | 4.22 |
| Income 3 (> = $100,000) | 1.26 | 4.08 | 1.80 | 5.06 | 1.08 | 4.18 | 1.29 | 4.15 |
| Random effects | ||||||||
| Intercept Var: wave:person | 51.99 | 40.52 | 46.33 | 46.14 | ||||
| Slope Var: wave:person | 7.99 | 9.17 | 30.47 | 13.94 | ||||
| Intercept Var: person | 226.62 | 241.94 | 245.42 | 243.29 | ||||
| Slope Var: person | 6.37 | 5.83 | 1.98 | 9.39 | ||||
| Residual Var | 98.39 | 102.55 | 96.90 | 99.58 | ||||
| AIC | 114835.99 | 78102.30 | 114665.02 | 114884.35 | ||||
| BIC | 115026.70 | 78276.02 | 114855.73 | 115075.06 | ||||
| R2 conditional | 0.76 | 0.75 | 0.77 | 0.76 | ||||
| R2 marginal | 0.07 | 0.08 | 0.06 | 0.06 |
Note.
* p < .05
** p < .01
*** p < .001. Wald tests were conducted only on fixed effects. Var = variance.