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. 2012 Sep 17;12:144. doi: 10.1186/1471-2288-12-144

Table 1.

Parameter estimates of LMM, beta GLMM and beta GEE in the KORA data (N = 1945)

Parameter coefficients
                  LMM
                  Beta GLMM
                  Beta GEE
  Estimate p value Estimate p value Estimate p value
Intercept
0.7808
<0.0001
1.3534
<0.0001
1.2816
<0.0001
Age at baseline (centered)
−0.0036
<0.0001
−0.0185
0.0007
−0.0209
<0.0001
Male sex
0.0525
<0.0001
0.3483
<0.0001
0.3000
<0.0001
Time
−0.0140
0.0002
−0.0788
0.0004
−0.0815
0.0002
Diabetes
−0.0267
<0.0001
−0.1538
0.0002
−0.1586
<0.0001
Diabetes*Time
−0.0300
0.0544
−0.1837
0.0608
−0.1513
0.0813
σ2
0.0091
 
 
 
 
 
ϕ
 
 
14.45
 
 
 
Variance of random effects
Estimate
SE
Estimate
SE
Estimate
SE
Variance
0.0095
0.0007
0.3854
0.0309
 
 
Covariance estimates
 
 
 
 
 
 
Variance
 
 
 
 
0.0536
0.0028
Compound symmetry
 
 
 
 
0.0564
0.0042
Scale
 
 
 
 
0.0240
 
Fit statistics
 
 
 
 
 
 
−2LogL
−2457
 
−2739
 
-
 
AIC
−2441
 
−2723
 
-
 
BIC
−2401
 
−2682
 
-
 
Pseudo-R2 0.0535   0.1812   -  

LMM Linear mixed model, GLMM Generalized linear mixed model, GEE Generalized estimating equations, SE Standard error, CS Compound Symmetry, AIC Akaike information criterion. BIC Bayesian information criterion.

†Compared to linear random-intercept model with -2LogL = −2350.