Table 2.
Parameter estimation results.
| Variables | Segment 1 | Segment 2 |
|---|---|---|
| Coefficient (t-stat) | Coefficient (t-stat) | |
| Latent segment allocation component | ||
| Segment allocation probability | 0.646 | 0.354 |
| Constant | 3.177 (3.81) | Reference |
| Age (25 to 59 years old) | −2.480 (−4.00) | Reference |
| Income < $100,000 | −1.751 (−2.53) | Reference |
| Not Employed | −1.757 (−2.98) | Reference |
| Occupation | 2.689 (3.70) | Reference |
| Parameter estimation results | ||
| Daily activity attributes | ||
| Travel for work | −1.848 (−2.45) | 2.075 (2.00) |
| Companion during work-related travel | 3.565 (2.07) | – |
| Travel for household errands | – | 3.667 (1.98) |
| Travel for routine shopping by car | 1.234 (2.12) | – |
| Travel for recreational activity by car | 2.036 (1.47) | – |
| Travel by walk or bike | 2.530 (4.63) | 1.360 (1.15) |
| Duration of leisure-based activity | −0.002 (−1.24) | −0.003 (−1.89) |
| Sociodemographic characteristics | ||
| Gender: female | 0.583 (1.35) | −2.058 (−2.66) |
| Household size ≤ 3 | 1.706 (2.44) | −0.535 (−0.85) |
| Dwelling type: owned | 1.487 (2.56) | – |
| Number of household vehicles | −0.453 (−2.49) | 0.581 (2.39) |
| Threshold parameters | ||
| Threshold 1 | 0(–) | 0(–) |
| Threshold 2 | 3.511 (5.05) | 0.750 (2.22) |
| Goodness-of-fit measures | ||
| Log-likelihood at convergence | −185.951 | |
| Log-likelihood at constant | −219.423 | |
| Number of observations | 226 | |
| Adjusted R2 | 0.152 | |
| BIC value | 529.097 | |
Note: t-stat = t-statistics.