| Weighted mean (standard error)a | |||||||
---|---|---|---|---|---|---|---|---|
 | Age 20–39 | Age 60+ | Male | Female | Hispanic, non-Hispanic black, & other | Non-Hispanic white | Less than college graduate | Some college or above |
Total SDI-US score | 12.6 ± 0.05 | 13.9 ± 0.04b | 12.9 ± 0.04 | 13.4 ± 0.04b | 13.0 ± 0.05 | 13.2 ± 0.04b | 12.7 ± 0.05 | 13.4 ± 0.04b |
Sub-Index & indicator values | ||||||||
Nutritional | 2.9 ± 0.03 | 3.4 ± 0.02b | 3.1 ± 0.02 | 3.0 ± 0.03b | 3.0 ± 0.02 | 3.1 ± 0.03b | 2.8 ± 0.02 | 3.2 ± 0.02b |
 NRF9.3 index score | 15.3 ± 0.4 | 22.2 ± 0.4b | 16.3 ± 0.3 | 19.7 ± 0.4b | 18.4 ± 0.3 | 17.9 ± 0.4 | 15.6 ± 0.4 | 19.5 ± 0.3b |
 MAR | 69.3 ± 0.3 | 73.3 ± 0.2b | 73.1 ± 0.2 | 68.9 ± 0.3b | 68.9 ± 0.2 | 71.9 ± 0.3b | 68.2 ± 0.2 | 72.6 ± 0.2b |
Environmental | 3.0 ± 0.02 | 2.9 ± 0.02b | 2.7 ± 0.02 | 3.1 ± 0.02b | 3.1 ± 0.02 | 2.8 ± 0.02b | 3.0 ± 0.02 | 2.9 ± 0.02b |
 Fresh water use (L) | 374 ± 7 | 384 ± 5 | 437 ± 5 | 329 ± 4b | 347 ± 4 | 398 ± 5b | 351 ± 5 | 401 ± 5b |
 Stress-weighted water use (L) | 12,594 ± 208 | 13,301 ± 176b | 14,856 ± 179 | 11,228 ± 154b | 11,480 ± 136 | 13,719 ± 183b | 11,923 ± 170 | 13,668 ± 178b |
 Acidifying emissions (g SO2eq) | 4.1 ± 0.1 | 3.9 ± 0.1b | 5.2 ± 0.1 | 3.2 ± 0.1b | 3.8 ± 0.1 | 4.4 ± 0.1b | 4.2 ± 0.1 | 4.2 ± 0.1 |
 Eutrophying emissions (g PO43−eq) | 23.6 ± 0.4 | 21.6 ± 0.3b | 28.7 ± 0.4 | 18.4 ± 0.2b | 21.7 ± 0.3 | 24.3 ± 0.3b | 23.3 ± 0.3 | 23.6 ± 0.3 |
 GHGE (kg CO2eq) | 10.0 ± 0.3 | 8.8 ± 0.3b | 12.4 ± 0.3 | 7.3 ± 0.2b | 9.1 ± 0.3 | 10.1 ± 0.2b | 9.6 ± 0.3 | 9.9 ± 0.2 |
 Land use (m2) | 18.0 ± 0.3 | 17.1 ± 0.4 | 22.4 ± 0.4 | 14.4 ± 0.2b | 17.3 ± 0.3 | 18.8 ± 0.3b | 18.1 ± 0.4 | 18.5 ± 0.3 |
Economic | 3.0 ± 0.03 | 3.4 ± 0.03b | 3.2 ± 0.02 | 3.2 ± 0.02 | 2.9 ± 0.03 | 3.4 ± 0.03b | 2.9 ± 0.03 | 3.4 ± 0.02b |
 Share of budget to food (%) | 31.6 ± 1.1 | 18.1 ± 0.4b | 24.3 ± 0.7 | 25.9 ± 0.7b | 32.7 ± 1.0 | 21.6 ± 0.6b | 31.4 ± 0.9 | 21.2 ± 0.6b |
Sociocultural | 3.7 ± 0.02 | 4.2 ± 0.02b | 3.9 ± 0.02 | 4.0 ± 0.01b | 4.0 ± 0.01 | 3.9 ± 0.02b | 4.0 ± 0.02 | 3.9 ± 0.01b |
 Frequency of meals from a fast-food or pizza place (times during the last 7 days) | 2.3 ± 0.05 | 0.9 ± 0.03b | 2.0 ± 0.04 | 1.4 ± 0.03b | 1.8 ± 0.04 | 1.6 ± 0.04b | 1.8 ± 0.05 | 1.6 ± 0.04b |
 Frequency of ready-to-eat products (times during the last 30 days) | 2.3 ± 0.1 | 1.5 ± 0.1b | 2.2 ± 0.1 | 1.8 ± 0.1b | 2.1 ± 0.1 | 1.9 ± 0.1 | 1.8 ± 0.1 | 2.1 ± 0.1b |
 Frequency of frozen meals and pizza (times during the last 30 days) | 3.5 ± 0.2 | 2.1 ± 0.1b | 2.7 ± 0.1 | 2.7 ± 0.1 | 2.0 ± 0.1 | 3.0 ± 0.1b | 2.6 ± 0.1 | 2.7 ± 0.1 |