Table 6.
Hazard ratios for latency to look at the photo, sniff the photo, sniff the environment, and enter the zone closest to the dog window as affected by treatment group.
| Latency to | Group | Mean1 | Coefficient2 | SE (coeff) | Hazard ratio3 | Wald (z) | P |
|---|---|---|---|---|---|---|---|
| Look at photo | Control | 2.7 | Reference | ||||
| Anxious | 5.6 | −0.674 | 0.35 | 0.51 (0.25–1.02) | −1.91 | 0.057 | |
| Depressed | 8.0 | −1.203 | 0.39 | 0.30 (0.14–0.65) | −3.08 | 0.002 | |
| Anxious | Reference | ||||||
| Depressed | −0.529 | 0.37 | 0.59 (0.29–1.20) | −1.45 | 0.147 | ||
| Sniff photo | Control | 5.6 | Reference | ||||
| Anxious | 18.4 | −0.644 | 0.37 | 0.53 (0.26–1.08) | −1.75 | 0.08 | |
| Depressed | 13.3 | −0.787 | 0.38 | 0.46 (0.22–0.95) | −2.09 | 0.037 | |
| Anxious | Reference | ||||||
| Depressed | −0.143 | 0.35 | 0.87 (0.44–1.70) | −0.41 | 0.69 | ||
| Sniff environment | Control | 38.1 | Reference | ||||
| Anxious | 123.3 | −1.892 | 0.46 | 0.15 (0.06–0.37) | −4.12 | <0.001 | |
| Depressed | 73.5 | −0.894 | 0.40 | 0.41 (0.19–0.90) | −2.23 | 0.026 | |
| Anxious | Reference | ||||||
| Depressed | 0.998 | 0.44 | 2.7 (1.2–6.4) | 2.29 | 0.022 | ||
| Enter zone closest to dog | Control | 132.0 | Reference | ||||
| Anxious | 179.4 | −2.395 | 1.07 | 0.09 (0.01–0.74) | −2.24 | 0.025 | |
| Depressed | 163.2 | −0.5684 | 0.59 | 0.57 (0.18–1.79) | −0.97 | 0.333 | |
| Anxious | Reference | ||||||
| Depressed | 1.83 | 1.10 | 6.20 (0.73–53.0) | 1.67 | 0.095 |
1Raw mean latencies are given. 2Regression coefficient from the Cox-proportional hazards model. 395% confidence interval given in parentheses. Significant P-values are shown in bold.