Table 2.
Latent Class Analysis of Smoking Contexts
| Indicators of context | Class 1: angry, talking with friend | Class 2: social | Class 3: alone | Class 4: angry, with spouse | Class 5: with spouse smoking |
|---|---|---|---|---|---|
| Latent class prevalences | |||||
| 19% | 28% | 35% | 7% | 11% | |
| Item-response probabilities | |||||
| Smoking availability | |||||
| Easily available | 0.79 | 0.91 | 0.64 | 0.34 | 0.86 |
| Available with difficulty | 0.17 | 0.08 | 0.24 | 0.55 | 0.11 |
| Not available | 0.04 | 0.01 | 0.12 | 0.11 | 0.03 |
| Location | |||||
| Home/vehicle/other’s home | 0.44 | 0.29 | 0.85 | 0.90 | 0.65 |
| Work/school/other | 0.37 | 0.06 | 0.12 | 0.03 | 0.07 |
| Bar/restaurant/public place | 0.19 | 0.64 | 0.03 | 0.07 | 0.28 |
| Probability of a yes response | |||||
| Talking | 0.55 | 0.65 | 0.07 | 0.39 | 0.65 |
| Leisure activities | 0.06 | 0.53 | 0.22 | 0.25 | 0.34 |
| Drinking | 0.07 | 0.75 | 0.16 | 0.24 | 0.45 |
| With spouse | 0.02 | 0.17 | 0.00 | 0.60 | 1.00 |
| With friend | 0.50 | 0.86 | 0.00 | 0.16 | 0.27 |
| With no one | 0.02 | 0.00 | 1.00 | 0.00 | 0.00 |
| Spouse was smoking | 0.00 | 0.00 | 0.01 | 0.00 | 1.00 |
| No one was smoking | 0.08 | 0.02 | 0.94 | 1.00 | 0.00 |
| Angry | 0.64 | 0.14 | 0.41 | 0.59 | 0.34 |
| Happy | 0.01 | 0.52 | 0.05 | 0.00 | 0.31 |