Table 2.
Model fit indices and comparison of LCS models for total weekly alcohol consumption and mental health in the Whitehall II study
| Baseline | Alcohol → ΔMCS | MCS → Δalcohol | Reciprocal | |
|---|---|---|---|---|
| Age and sex adjusted | ||||
| Fit statistics | ||||
| Log likelihood |
-146158.161 |
-146158.041 |
-146155.151 |
-146154.760 |
| χ2 (df) |
274.233 (12) |
273.995 (11) |
268.214 (11) |
267.432 (10) |
| RMSEA |
0.059 |
0.061 |
0.061 |
0.064 |
| AIC |
292380.321 |
292382.083 |
292376.302 |
292377.520 |
| SSA BIC |
292494.731 |
292500.068 |
292494.288 |
292499.081 |
| CFI |
0.982 |
0.982 |
0.982 |
0.982 |
| TLI |
0.959 |
0.955 |
0.956 |
0.952 |
| Model comparison (difference in χ2 fit (df)) | ||||
| Versus baseline |
– |
0.238 (1), P = 0.63 |
6.019 (1), P = 0.01 |
6.801 (2), P = 0.03 |
| Versus previous best |
– |
– |
– |
0.782 (1), P = 0.38 |
| Fully adjusted | ||||
| Fit statistics | ||||
| Log likelihood |
-243989.314 |
-243989.108 |
-243985.355 |
-243984.851 |
| χ2 (df) |
328.239 (54) |
327.827 (53) |
320.320 (53) |
319.312 (52) |
| RMSEA |
0.028 |
0.029 |
0.028 |
0.028 |
| AIC |
488798.629 |
488800.217 |
488792.710 |
488793.702 |
| SSA BIC |
490264.509 |
490269.672 |
490262.165 |
490266.732 |
| CFI |
0.983 |
0.983 |
0.984 |
0.984 |
| TLI |
0.952 |
0.951 |
0.953 |
0.952 |
| Model comparison (difference in χ2 fit (df)) | ||||
| Versus baseline |
– |
0.412 (1), P = 0.52 |
7.919 (1), P < 0.01 |
8.927 (2), P < 0.01 |
| Versus previous best | – | – | – | 1.008 (1), P = 0.32 |
AIC, Akaike information criterion; CFI, comparative fit index; df, degrees of freedom; LCS, latent change score; MCS, mental health component score; RMSEA, root mean square error of approximation; SSA BIC, sample size adjusted Bayesian information criterion; TLI, Tucker-Lewis index.