PIP Study (n = 895 HD Study (n = 2; 536)
Variable Posterior Mean (95% CrI) Posterior Mean (95% CrI)
Intercept
Study Period
Study Group
Period x Group
Education (0= < HS, 1= > HS)
Race (0=white, 1=other)
Race (0=white, 1=other)

-2.27 (3.39, -1.28)
-0.47 (-1.69, 0.65)
-0.85 (-1.63, -0.08)
2.02 (0.77, 3.43)*
-0.03 (-0.77, 0.80)
0.38 (-0.13, 0.87)
0.38 (-0.13, 0.87)
-0.54 (-0.90, -0.18)
0.02 (-0.41, 0.46)
0.20 (-0.22, 0.61)
0.57 (-0:03, 1.17)**
-0.23 (0.44, -0.03)
0.08 (-0.15, 0.31)
0.08 (-0.15, 0.31)
Random Intercept Variance
Random Slope Variance
Random E ect Covariance
1.64 (0.50, 0.70)
2.20 (0.44, 6.25)
-1.30 (-4.04, 0.09)
0.25 (0.12, 0.47)
0.40 (0.14, 0.89)
0.12 (-0.02, 0.31)
* Pr(β4 > 0\y0) = 1:0.
** Pr(β4 > 0\y) = 0:97
.
Table 1: Posterior means and 95% credible intervals (CrI) for separate analyses of PIP and HD studies.