Table 1.
Fit indices of optimal cluster solution
| Cluster solution | AIC | BIC | CH | S |
|---|---|---|---|---|
| Two clusters | 1144.66 | 1273.91 | 24.58 | .325a |
| Three clusters | 1068.20 | 1262.06a | 25.24 | .313 |
| Four clusters | 1043.13 | 1301.62 | 24.95 | .309 |
| Five clusters | 971.74a | 1294.85 | 28.15a | .248 |
AIC Akaike Information Criterion, BIC Schwarz’s Bayesian Information Criterion, CH Calinski-Harabasz Index, and S Silhouettes
aOptimal fit according to this criterion. A better fit of the cluster solution to the data is indicated by higher CH and S scores, and lower AIC and BIC scores