Table 4.
Models examining prospective relationships of appraisals to phone call duration and exchange of SMS. The count model component examines continuous non-zero values of each outcome; zero-inflated component reports the likelihood of a non-zero value of the outcome.
| Duration of phone calls (min) | No. of SMS messages | Duration of phone calls (min) | No. of SMS messages | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Predictors | IRR | SE | Z | IRR | SE | Z | Predictors | IRR | SE | Z | IRR | SE | Z |
|
| |||||||||||||
| Count Model | Count Model | ||||||||||||
| (Intercept) | 10.13 | 0.91 | 25.88*** | 16.16 | 2.08 | 21.63*** | (Intercept) | 11.28 | 0.9 | 30.42*** | 14.88 | 1.71 | 23.49*** |
| Average Power | 1.09 | 0.07 | 1.42 | 0.87 | 0.08 | −1.61 | Average Control | 1.00 | 0.06 | 0.01 | 0.92 | 0.08 | −0.94 |
| Previous Day Power | 0.95 | 0.02 | −2.38* | 1.01 | 0.02 | 0.47 | Previous Day Control | 0.98 | 0.02 | −1.05 | 1.01 | 0.02 | 0.24 |
| Zero-Inflated Model | Zero-Inflated Model | ||||||||||||
| (Intercept) | 0.19 | 0.04 | −7.65*** | 0.06 | 0.02 | −9.22*** | (Intercept) | 0.21 | 0.04 | −8.09*** | 0.07 | 0.02 | −9.94*** |
| Average Power | 0.94 | 0.14 | −0.41 | 1.14 | 0.22 | 0.67 | Average Control | 0.85 | 0.12 | −1.15 | 1.07 | 0.21 | 0.34 |
| Previous Day Power | 0.98 | 0.05 | −0.37 | 1.05 | 0.07 | 0.77 | Previous Day Control | 1.01 | 0.06 | 0.1 | 1.16 | 0.08 | 2.24* |
| Random Effects | Random Effects | ||||||||||||
| σ2 | 0 | 0 | σ2 | 0 | 0 | ||||||||
| τ00 id | 0.57 | 1.52 | τ00 id | 0.57 | 1.52 | ||||||||
| ICC | 1 | 1 | ICC | 1 | 1 | ||||||||
| N id | 441 | 441 | N id | 442 | 442 | ||||||||
|
| |||||||||||||
| Observations | 5732 | 5732 | Observations | 5720 | 5720 | ||||||||
| Marginal R2 / Conditional R2 | 0.009 / 1.000 | 0.007 / 1.000 | Marginal R2 / Conditional R2 | 0.000 / 1.000 | 0.002 / 1.000 | ||||||||
| AIC | 37750.82 | 39782.1 | AIC | 37650.85 | 39684.09 | ||||||||
p<0.05
p<0.01
p<0.001
IRR = Incidence rate ratio