Table 2.
Mean scores and standard deviations of the total score of the Dutch Healthy Diet 2015 index (DHD2015-index) and its component scores, reflecting the adherence to Dutch dietary guidelines of 120 night shift working nurses and compared with the reference population
| DHD2015-component score | Night shift workers | Reference population | p-valueb | ||
|---|---|---|---|---|---|
| n = 120 | n = 307 | ||||
| Mean | SD | Mean | SD | ||
| Vegetables | 6.9 | 2.7 | 6.3 | 3.2 | 0.186 |
| Fruit | 7.3 | 3.4 | 5.2 | 3.9 | < 0.001 |
| Whole grain products | 5.3 | 2.7 | 4.5 | 2.9 | 0.044 |
| Legumes | 1.4 | 3.4 | 0.9 | 2.8 | 0.163 |
| Nuts | 2.0 | 3.6 | 1.1 | 2.9 | 0.033 |
| Dairy | 6.3 | 3.2 | 6.0 | 3.4 | 0.802 |
| Fish | 1.3 | 2.9 | 1.6 | 3.2 | 0.387 |
| Tea | 4.7 | 4.0 | 6.5 | 4.1 | < 0.001 |
| Fats and oils | 3.3 | 4.1 | 6.6 | 4.4 | < 0.001 |
| Red meat | 9.0 | 2.5 | 9.2 | 2.1 | 0.386 |
| Processed meat | 4.6 | 3.9 | 4.7 | 4.0 | 0.767 |
| Sugar sweetened beverages | 7.4 | 3.4 | 5.3 | 4.3 | < 0.001 |
| Alcohol | 9.9 | 0.9 | 8.5 | 3.3 | < 0.001 |
| Sodium | 7.5 | 2.9 | 7.9 | 2.6 | 0.106 |
| Overall DHD2015-index scorea | 77.0 | 14.9 | 74.2 | 15.8 | 0.720 |
aThe score ranges between 0 and 140 points
bGeneralized Linear Models were performed to compare DHD2015-index component scores between night shift workers and the reference population, General Linear Model was used to compere the total DHD2015-index score. All models were adjusted for age, BMI and smoking