Table 2.
Proportion of participants with a high-quality diet by tertile of the healthy-to-unhealthy price ratio and the average serving price of healthy and unhealthy foods (n = 2765).
| Variable | All Participants | Lowest Ratio (1.55–1.88) | Middle Ratio (1.88–2.01) | Highest Ratio (2.01–2.39) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of participants (n) | 2765 | 938 | 903 | 924 | ||||||||
| Number with high-quality diet (n, %) | 545 | 19.7% | 165 | 17.6% | 161 | 17.8% | 219 | 23.7% | ||||
| Average food prices per serving | ||||||||||||
| Healthy food price per serving a (mean [SD], median) | $0.60 | [$0.04] | $0.60 | $0.61 | [$0.06] | $0.57 | $0.59 | [$0.03] | $0.58 | $0.62 | [$0.03] | $0.62 |
| Unhealthy food price per serving b (mean [SD], median) | $0.31 | [$0.03] | $0.30 | $0.33 | [$0.04] | $0.31 | $0.30 | [$0.01] | $0.30 | $0.29 | [$0.01] | $0.29 |
| Ratio of healthy-to-unhealthy (mean [SD], median) | 1.97 | [0.14] | 1.93 | 1.83 | [0.05] | 1.85 | 1.95 | [0.05] | 1.93 | 2.14 | [0.09] | 2.13 |
a Healthy foods were represented by frozen vegetables, orange juice, and dairy (milk, yogurt, and cottage cheese); b Unhealthy foods were represented by soda, salty snacks (chips, pretzels, onion rings), and sweets (chocolate candy and cookies).