Table 5.
Random regression analyses estimating the main and interactive effects of time, program, and competitive work on global quality of life over the 24-month participation period (N=167)
| Fixed effects | Model 2 Timea
|
Model 3 Programb
|
Model 4 Competitive work
|
Model 52-Way Interactions
|
Model 6 3-Way Interaction
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Est. (SE) | t | Est. (SE) | t | Est. (SE) | t | Est. (SE) | t | Est. (SE) | t | |
| Intercept | 7.31(0.23) | 31.9*** | 7.39 (0.30) | 24.4*** | 7.24 (0.38) | 19.2*** | 7.77 (0.47) | 16.5*** | 7.51 (0.48) | 15.5*** |
| Timea | 0.20 (0.06) | 3.49*** | 0.20 (0.06) | 3.49*** | 0.20 (0.06) | 3.48*** | 0.03 (0.10) | 0.26 | 0.17 (0.12) | 1.38 |
| Programb | −0.17 (0.40) | −0.42 | −0.15 (0.40) | −0.37 | −0.92 (0.63) | −1.48 | −0.42 (0.67) | −0.63 | ||
| Competitive work | 0.27 (0.40) | 0.67 | −0.35 (0.61) | −0.57 | 0.12 (0.65) | 0.19 | ||||
| Program* competitive work | 0.73 (0.80) | 0.90 | −0.23 (0.92) | −0.25 | ||||||
| Program* time | 0.20 (0.11) | 1.79 | −0.06 (0.17) | −0.38 | ||||||
| Work* time | 0.14 (0.11) | 1.19 | −0.10 (0.16) | −0.66 | ||||||
| 3-Way Interaction | 0.49 (0.23) | 2.16* | ||||||||
| Random effects | Est. (SE) | z | Est. (SE) | z | Est. (SE) | z | Est. (SE) | z | Est. (SE) | z |
| Level 1: Within-person | 2.70 (0.20) | 13.8*** | 2.70 (0.20) | 13.8*** | 2.70 (0.20) | 13.8*** | 2.70 (0.20) | 13.8*** | 2.69 (0.19) | 13.8*** |
| Level 2: Initial status | 6.95 (0.97) | 7.18*** | 6.91 (0.97) | 7.15*** | 6.93 (0.97) | 7.15*** | 6.93 (0.97) | 7.15*** | 6.88 (0.96) | 7.18*** |
| Rate of change | 0.20 (0.06) | 3.11*** | 0.20 (0.06) | 3.30*** | 0.20 (0.06) | 3.31*** | 0.20 (0.06) | 3.19** | 0.18 (0.06) | 3.06** |
| Covariance | −0.47 (0.19) | −2.43* | −0.46 (0.19) | −2.38* | −0.47 (0.19) | −2.41* | −0.46 (0.19) | −2.40* | −0.43 (0.19) | −2.30* |
| Deviancec / BIC | 3103 / 3134 | 3103 / 3139 | 3102 / 3143 | 3097 / 3154 | 3093 / 3154 | |||||
*
p<.05,
**
p<.01,
***
p<.001
Model 1 (Unconditional means) not shown. Abbreviations: BIC=Bayesian information criterion.
a
Time denoted as 5 time-points of measurement: baseline, 6 months, 12 months, 18 months, and 24 months
b
Program: (Clubhouse=1; PACT=0)
c
Deviance=−2LL (minus twice loglikelihood difference)