Table 5.
Results of confirmatory factor analysis for models of each dietary index
| Dietary index | χ2 | df | P | RMSEA (90% CI) | SRMR | CFI | TLI | Omega |
|---|---|---|---|---|---|---|---|---|
| MDP | 196·483 | 27 | <0·001 | 0·073 (0·063–0·082) | 0·050 | 0·761 | 0·681 | 0·40 |
| MedDietscore | 102·094 | 44 | <0·001 | 0·033 (0·025–0·042) | 0·042 | 0·758 | 0·697 | 0·30 |
| MAI | 22·821 | 2 | <0·001 | 0·094 (0·062–0·130) | 0·030 | 0·853 | 0·559 | 0·40 |
| MDS | 86·688 | 27 | <0·001 | 0·043 (0·033–0·05) | 0·104 | 0·821 | 0·761 | 0·50 |
| MSDPS | 84·193 | 44 | 0·003 | 0·028 (0·019–0·037) | 0·031 | 0·637 | 0·546 | 0·30 |
Results in bold meet recommended values.
χ², Chi-squared test; df, degrees of freedom; RMSEA, root mean square error of approximation; SRMR, standardised root mean square residual; CFI, comparative fit index; TLI, Tucker–Lewis Index; MDP, Mediterranean dietary pattern; MedDietscore, Mediterranean diet score; MAI, Mediterranean Adequacy Index; MDS, Mediterranean diet scale; MSDPS, Mediterranean-Style Dietary Pattern Score.