Table 3.
Multi-level analysis of average medical costs (including psychiatric services and AOD treatment costs)
| Fixed Effect | Co-efficient | Standard Error | P-value | |
|---|---|---|---|---|
| Intercept* (π0) | Intercept (β00 = γ000) | 66.14 | 9.45 | < .01 |
|
Age group (β01 = γ010) (Reference group: Age <=18) |
49.65 | 10.98 | < .01 | |
| Pre-Intake Cost* (β02 = γ020) | 0.37 | 0.04 | < .01 | |
| Year (Slope)*(π1) | Intercept (β10) | |||
| Intercept (γ100) | -4.98 | 4.10 | 0.22 | |
| Family member of non-abstinent AOD patient (γ101) | 11.75 | 4.80 | 0.01 | |
| Family member of abstinent AOD patient (γ102) (Reference group: Control family member) |
7.49 | 3.67 | 0.04 | |
|
Age group (β11 = γ 110) (Reference group: Age <=18) |
15.29 | 6.13 | 0.01 |
| Random Effects | Variance Componen t | Degrees of Freedom | P-value | |
|---|---|---|---|---|
| Level-1 (Temporal) Variance | 402.40 | |||
| Level-2 (Individual within families) Variance | ||||
| Initial Status | 385.87 | 4552 | 0.00 | |
| Slope | 238.16 | 8158 | 0.00 | |
| Level-3 (between families) Variance | 0.44 | 3605 | 0.00 |