Table 3.
Comparisons of original Mediterranean diet score between the intervention groups at specific time points
(Mean values and 95 % confidence intervals)
| Timepoint | Covariate | n | Intervention group comparisons | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSG v. MSG | PSG v. DSG | |||||||||
| MSG | DSG | PSG | Mean difference | 95 % CI | P value | Mean difference | 95 % CI | P value | ||
| Baseline | Screening | 21 | 22 | 25 | 1·49 | 0·48, 2·51 | 0·01 | 1·20 | 0·18, 2·20 | 0·02 |
| 3 months | Screening | 14 | 20 | 21 | 0·99 | –0·38, 2·37 | 0·15 | 0·16 | –1·09, 1·41 | 0·80 |
| 6 months | Screening | 13 | 21 | 19 | 1·92 | 0·37, 3·47 | 0·02 | 0·14 | –1·25, 1·52 | 0·85 |
| 12 months | Screening | 15 | 21 | 16 | 0·63 | 1·00, 2·27 | 0·44 | –0·67 | –2·17, 0·84 | 0·38 |
| 3 months | Baseline | 14 | 20 | 21 | 0·37 | –1·05, 1·79 | 0·60 | –0·30 | –1·52, 0·92 | 0·63 |
| 6 months | Baseline | 13 | 21 | 19 | 1·41 | –0·16, 2·97 | 0·08 | –0·33 | –1·67, 1·01 | 0·63 |
| 12 months | Baseline | 15 | 21 | 16 | –0·08 | –1·75, 1·59 | 0·92 | –1·15 | –2·62, 0·32 | 0·12 |
PSG, peer support group; DSG, dietitian support group; MSG, minimal support group. Results obtained from ANCOVA, with either screening or baseline MDS included as a covariate and presented as mean differences (95 % CI).