Table 3.
Results from multilevel models for puff-level analyses.
| Volume | Duration | Velocity | IPI | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variable | b | z | p | b | z | p | b | z | p | b | z | p |
| Intercept | 69.00 | 14.00 | <0.01 | 1.76 | 14.36 | <0.01 | 42.10 | 26.80 | <0.01 | 17.04 | 17.85 | <0.01 |
| Sex | −10.03 | −2.22 | 0.03 | −0.25 | −2.12 | 0.03 | −0.20 | −0.11 | 0.91 | −1.72 | −1.74 | 0.08 |
| Carbon Monoxide | −0.03 | −0.20 | 0.84 | 0.002 | 0.37 | 0.71 | −0.03 | −0.33 | 0.74 | 0.02 | 0.43 | 0.67 |
| Cigarette Dependence (FTCD) | 1.15 | 0.75 | 0.45 | −0.02 | −0.44 | 0.66 | 0.77 | 0.98 | 0.33 | −0.66 | −1.86 | 0.06 |
| Linear Time | −1.06 | −2.33 | 0.02 | −0.04 | −3.79 | <0.01 | 0.28 | 3.99 | <0.01 | −0.13 | −1.26 | 0.21 |
| Quadratic Time | −0.07 | −2.69 | <0.01 | −0.002 | −3.30 | <0.01 | -- | -- | -- | −0.01 | −3.08 | <0.01 |
| Cubic Time | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.002 | 5.01 | <0.01 |
| Distress (i.e., SUDs) | 0.06 | 0.32 | 0.75 | 0.004 | 0.98 | 0.33 | −0.04 | −0.70 | 0.48 | −0.03 | −0.97 | 0.33 |
| NU | −4.95 | −0.68 | 0.50 | −0.01 | −0.04 | 0.97 | −2.51 | −1.36 | 0.17 | 0.44 | 0.39 | 0.70 |
| SUDs × NU | 0.11 | 0.39 | 0.70 | 0.01 | 1.00 | 0.32 | −0.09 | −1.13 | 0.26 | 0.001 | 0.001 | 1.00 |
| Linear time × SUDs | 0.01 | 0.79 | 0.43 | 0.001 | 1.05 | 0.30 | −0.001 | −0.06 | 0.95 | −0.01 | −1.05 | 0.30 |
| Linear time × NU | 0.22 | 0.41 | 0.68 | 0.01 | 0.71 | 0.48 | −0.09 | −0.82 | 0.41 | −0.11 | −0.76 | 0.45 |
| Linear time × SUDs × NU | −0.01 | −0.69 | 0.49 | −0.001 | −1.07 | 0.28 | −0.003 | −0.70 | 0.49 | −0.01 | −2.04 | 0.04 |
| Quadratic time × SUDs | 0.001 | 1.16 | 0.25 | 0.001 | 1.10 | 0.27 | -- | -- | -- | −0.001 | −0.56 | 0.58 |
| Quadratic time × NU | 0.02 | 1.05 | 0.29 | 0.001 | 0.71 | 0.48 | -- | -- | -- | −0.001 | −0.01 | 1.00 |
| Quadratic time × SUDs × NU | −0.001 | −0.44 | 0.66 | −0.001 | −2.10 | 0.04 | -- | -- | -- | −0.001 | −1.12 | 0.26 |
| Cubic time × SUDs | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.001 | 0.59 | 0.56 |
| Cubic time × NU | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.001 | 1.15 | 0.25 |
| Cubic time × SUDs × NU | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.001 | 1.53 | 0.13 |