Table 2.
DGI total and component scores by food security status.
| DGI Component Mean Scores * | Food-Secure | Food-Insecure | Model 1—Group Differences (Minimally Adjusted) a |
|
|---|---|---|---|---|
| Mean (95% CI) | Mean (95% CI) | B (95% CI) | p Value | |
| 1. Food variety | 2.3 (2.3, 2.3) | 1.6 (1.5, 1.8) | −0.54 (−0.72, −0.36) | <0.005 |
| 2. Fruit | 5.0 (4.9, 5.1) | 3.8 (3.1, 4.5) | −1.06 (−1.69, −0.43) | 0.001 |
| 3. Vegetables | 4.4 (4.3, 4.5) | 3.7 (3.2, 4.2) | −0.62 (−1.09, −0.15) | 0.010 |
| 4. Cereal (total) serves per day | 2.8 (2.8, 2.9) | 2.4 (2.2, 2.7) | −0.26 (−0.50, −0.03) | 0.026 |
| mostly wholegrain | 1.5 (1.4, 1.5) | 1.0 (0.8, 1.2) | −0.31 (−0.57, −0.05) | 0.021 |
| 5. Meat and alternatives (total) serves per day | 3.0 (2.9, 3.0) | 2.6 (2.3, 2.9) | −0.28 (−0.55, −0.01) | 0.045 |
| mostly lean | 4.5 (4.4, 4.5) | 4.5 (4.3, 4.6) | 0.01 (−0.18, 0.19) | 0.95 |
| 6. Dairy and alternatives (total) | 4.7 (4.6, 4.8) | 4.6 (4.1, 5.1) | −0.32 (−0.80, 0.16) | 0.19 |
| 7. Fluid intake (total) serves per day | 3.8 (3.7, 3.8) | 3.9 (3.6, 4.1) | −0.02 (−0.21, 0.18) | 0.87 |
| mostly water | 4.3 (4.3, 4.4) | 4.4 (4.2, 4.6) | −0.01 (−0.20, 0.17) | 0.90 |
| 8. Limit discretionary foods | 3.3 (3.1, 3.4) | 3.5 (2.8, 4.2) | 0.21 (−0.42, 0.84) | 0.51 |
| 9. Limit saturated fat mostly trimmed meat | 4.4 (4.4, 4.5) | 4.2 (3.9, 4.5) | −0.22 (−0.47, 0.03) | 0.08 |
| mostly low-fat milk | 3.8 (3.7, 3.9) | 3.7 (3.4, 4.0) | −0.02 (−0.33, 0.29) | 0.91 |
| 10. Moderate unsaturated fat | 8.2 (8.0, 8.3) | 8.7 (8.1, 9.3) | 0.60 (0.10, 1.09) | 0.018 |
| 11. Limit added salt during cooking | 2.6 (2.5, 2.6) | 2.5 (2.1, 2.8) | −0.02 (−0.34, 0.29) | 0.88 |
| at the table | 3.3 (3.2, 3.4) | 2.8 (2.5, 3.2) | −0.58 (−0.89, −0.27) | <0.001 |
| 12. Limit extra sugars | 6.6 (6.4, 6.7) | 6.5 (5.9, 7.0) | 0.13 (−0.49, 0.76) | 0.68 |
| 13. Limit alcohol | 8.5 (8.4, 8.6) | 8.5 (8.1, 9.0) | −0.20 (−0.71, 0.31) | 0.45 |
| TOTAL DGI SCORE | 76.8 (76.3, 77.3) | 72.8 (70.5, 75.2) | −3.52 (−5.57, −1.46) | 0.001 |
Values represent unadjusted means and in brackets, 95% confidence intervals after applying survey weighting * See Supplement Table S1 for how scores are calculated. a Mean difference between food-secure and food-insecure groups, adjusted for age and sex, estimated using survey-weighted multiple imputation linear regression models.