Table 3.
Dutch Healthy Diet Index per food category (score 1-10) and total score (score 8-80) and total carotenoids (µmol/L) at baseline, 8 weeks, and 16 weeks.
| Food categorya | DHDIb score, mean (SD) | P value | |||
|
|
t=0 weeks | t=8 weeks | t=16 weeks |
|
|
| Vegetable intake (n=31) | 6.6 (2.9) | 7.5 (3.0) | 7.1 (3.3) | .53 | |
| Fruit intake (n=9) | 5.8 (3.3) | 8.2 (2.0) | 8.4 (2.0) | .70 | |
| Intake of oils and fats (n=21) | 3.7 (3.9) | 3.6 (4.1) | 3.5 (3.8) | .85 | |
| Fish intake (n=12) | 6.6 (3.2) | 7.5 (2.6) | 8.6 (1.9) | .18 | |
| Intake of wholegrain products (n=19) | 6.3 (2.5)c | 7.7 (2.8)c | 7.9 (2.8)c | .009 | |
| Dairy intake (n=14) | 3.1 (2.6) | 3.8 (3.1) | 4.1 (2.7) | .84 | |
| Nut intake (n=20) | 6.2 (3.3)c | 7.0 (2.6)c | 8.4 (2.5)c | .009 | |
| Intake of sugar-containing beverages (n=3) | 1.9 (1.8) | 5.5 (5.0) | 6.6 (2.8) | —d | |
| Total DHDI (sum of all food categories; n=34) | 52.9 (13.1)c | 56.5 (11.3)c | 57.2 (11.5)c | <.001 | |
| Carotenoid levels in blood (µmol/L; t=0, n=36; t=8, n=34; t=16, n=33) | 1.21 (0.43) | 1.39 (0.46) | 1.42 (0.56) | .66 | |
aOnly participants who included the specific food category in their individual dietary behavior change strategy are included in the analysis.
bDHDI: Dutch Healthy Diet Index.
cNo significant difference following the post hoc analysis.
dNot available (as the sample size was not sufficient to obtain reliable statistical output).