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. 2021 Jan 31;13(2):479. doi: 10.3390/nu13020479

Table 1.

Inedible food waste (g/200kcal/per capita) by socio-demographic variables.

Variables Total Inedible Food Waste (Grams per Day) Inedible Food Waste (Grams per 2000 kcal) HEI 2015Diet Quality Score % Energy from Ultra-Processed Foods
n % Mean SD p-Value Mean SD p-Value Mean SD p-Value Mean SD p-Value
Overall 747 100 78.7 42.73 85.5 48.78 67.1 9.91 59.6 10.75
Sex
Male 135 18.1 75.0 43.99 Ref. 74.2 44.22 Ref. 66.5 10.33 Ref. 58.4 10.46 Ref.
Female 612 81.9 79.6 42.66 0.255 88 49.41 0.003 67.2 9.82 0.48 59.9 10.8 0.13
Age
21–40 283 37.9 79.1 44.48 Ref. 85.4 53.4 Ref. 66.1 10.13 Ref. 60.2 11.08 Ref.
41–50 229 30.7 76.5 40.10 0.489 82.2 41.9 0.442 66.5 9.75 0.683 60.5 9.9 0.719
>51 235 31.5 80.4 43.17 0.734 88.9 49.2 0.4 68.8 9.62 0.002 58.2 11.02 0.039
Race/ethnicity
Non-Hispanic White 362 48.50 83.7 45.89 Ref. 91.80 52.90 Ref. 69.6 10.15 Ref. 57.6 11.04 Ref.
Hispanic 303 40.60 72.8 35.77 0.001 76.20 37.62 0.0001 64.3 8.93 0.0001 63.3 8.69 0.0001
Other 82 11.00 78.7 49.22 0.399 92.40 59.75 0.931 66.1 9.37 0.002 55.1 12.29 0.081
Marital Status
Married 437 58.5 82.4 42.66 0.005 88.70 46.02 0.04 67.7 9.65 0.055 59.4 10.77 0.422
Single 310 41.5 73.5 42.36 Ref. 81.00 52.16 Ref. 66.2 10.23 Ref. 60 10.73 Ref.
Education
High school or less 251 33.60 70.2 32.67 Ref. 72.30 33.77 Ref. 63.6 9.22 Ref. 64.1 8.44 Ref.
Some College 163 21.80 77.1 46.52 0.102 81.10 49.85 0.05 66.1 9.9 0.011 60.5 10.15 0.0001
College or more 333 44.60 86.0 46.20 0.0001 97.60 54.66 <0.0001 70.2 9.48 0.0001 55.9 11.24 0.0001
Residential Property value
Tertile 1 (<$130k) 249 33.30 71.6 33.73 Ref. 74.00 35.04 Ref. 64.3 9.1 Ref. 63.9 8.3 Ref.
Tertile 2 ($130–293k) 249 33.30 77.6 46.31 0.095 87.20 55.36 0.0001 67.2 10.16 0.001 59.1 11.13 0.0001
Tertile 3 (>$293k) 249 33.30 87.1 45.69 0.0001 95.30 51.31 0.0001 69.8 9.69 0.0001 55.9 11.07 0.0001

HEI = Healthy Eating Index, n = sample size, SD = standard deviation, Ref. = reference group, $ United States dollars.