Table 3.
Multilevel linear regression analyses: group, time and interaction effects on diagnoses of chronic and acute alcohol abuse
| Diagnoses of chronic alcohol abuse | Diagnoses of acute alcohol abuse and intoxication | |||
|---|---|---|---|---|
| β (SE) | P | β (SE) | P | |
| Group (control) | ||||
| PCP | 0.85 (0.75) | .26 | −0.12 (0.23) | .60 |
| PN-MH | −0.76 (0.70) | .28 | 0.01 (0.22) | .95 |
| PCP/PN-MH | −0.13 (0.83) | .87 | − 0.09 (0.26) | .72 |
| ±Time period (6) | ||||
| Period 1 (0–6 months) | 2.40 (0.71) | .00* | −0.04 (0.21) | .84 |
| Period 2 (7–12 months) | 1.33 (0.63) | .04 | 0.37 (0.22) | .09 |
| Period 3 (13–18 months) | 0.65 (0.64) | .32 | −0.17 (0.20) | .39 |
| Period 4 (19–24 months) | 1.60 (0.64) | .01* | 0.41 (0.19) | .04 |
| Period 5 (25–30 months) | −0.12 (1.22) | .76 | 0.13 (0.18) | .46 |
| Interaction effects | ||||
| PCP/PN-MH * Period 1 | 0.60 (1.21) | .62 | 0.43 (0.37) | .24 |
| PCP/PN-MH * Period 2 | 2.45 (1.13) | .03 | 0.01 (0.40) | .98 |
| PCP/PN-MH * Period 3 | 0.96 (1.19) | .42 | 0.75 (0.37) | .04 |
| PCP/PN-MH * Period 4 | 0.19 (1.20) | .87 | −0.19 (0.37) | .60 |
| PCP/PN-MH * Period 5 | 1.66 (0.79) | .03 | −0.29 (0.34) | .40 |
| PN-MH * Period 1 | −0.62 (1.03) | .55 | 0.06 (0.31) | .84 |
| PN-MH * Period 2 | −0.23 (0.95) | .81 | −0.10 (0.33) | .77 |
| PN-MH * Period 3 | 0.93 (0.99) | .35 | 0.23 (0.31) | .46 |
| PN-MH * Period 4 | −0.06 (0.98) | .95 | −0.19 (0.30) | .52 |
| PN-MH * Period 5 | 0.70 (0.66) | .29 | −0.25 (0.28) | .38 |
| PCP * Period 1 | 2.25 (1.22) | .07 | 0.01 (0.36) | .98 |
| PCP * Period 2 | −0.16 (1.09) | .88 | −0.32 (0.38) | .41 |
| PCP * Period 3 | 0.99 (1.10) | .37 | 0.31 (0.34) | .36 |
| PCP * Period 4 | −1.87 (1.12) | .09 | −0.52 (0.34) | .13 |
| PCP * Period 5 | −0.42 (0.69) | .54 | −0.04 (0.30) | .88 |
*P < .016 (adjusted for multiple comparisons)
± = Reference period
Reference group for the interaction-terms is control group
ICC = 16.94