Table 2.
Characteristics of household grocery purchases in the National Household Food Acquisition and Purchase Survey 2012–2013 (n 3961), according to Healthy Eating Index-2015 (HEI-2015) total score
| Dietary factor | All (n 3961) |
HEI-2015 < 40 (n 702) |
HEI-2015 = 40–59 (n 2195) |
HEI-2015 ≥ 60 (n 1064) |
P | ||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | se | Mean | se | Mean | se | Mean | se | ||
| Total energy purchased (kJ) | 149 016·9 | 3056·4 | 135 021·9 | 7105·7 | 156 357·8 | 4470·2 | 143 133·0 | 5034·6 | 0·985 |
| Total energy purchased (kcal) | 35 615·9 | 730·5 | 32 271·0 | 1698·3 | 37 370·4 | 1068·4 | 34 209·6 | 1203·3 | 0·985 |
| Relative energy (%E) purchased as | |||||||||
| Unprocessed/minimally processed foods | 28·4 | 0·4 | 19·1 | 1·2 | 25·7 | 0·6 | 36·6 | 0·8 | <0·001 |
| Processed culinary ingredients | 6·6 | 0·3 | 6·7 | 0·6 | 7·4 | 0·4 | 5·3 | 0·5 | <0·001 |
| Processed foods | 9·2 | 0·3 | 6·9 | 0·8 | 8·9 | 0·4 | 10·8 | 0·6 | <0·001 |
| Ultra-processed foods and drinks | 55·8 | 0·6 | 67·3 | 1·2 | 58·0 | 0·7 | 47·4 | 1·1 | <0·001 |
| HEI-2015 scores (maximum score)* | |||||||||
| Total score (100) | 54·7 | 0·4 | 34·5 | 0·3 | 50·5 | 0·2 | 69·6 | 0·4 | <0·001 |
| Total fruit (5) | 2·5 | 0·1 | 1·1 | 0·1 | 2·1 | 0·1 | 3·8 | 0·1 | <0·001 |
| Whole fruit (5) | 2·8 | 0·1 | 1·1 | 0·1 | 2·4 | 0·1 | 4·2 | 0·1 | <0·001 |
| Total vegetables (5) | 2·9 | 0·0 | 1·6 | 0·1 | 2·8 | 0·0 | 3·8 | 0·1 | <0·001 |
| Greens and beans (5) | 1·9 | 0·1 | 0·5 | 0·1 | 1·5 | 0·1 | 3·1 | 0·1 | <0·001 |
| Whole grains (10) | 2·8 | 0·1 | 1·0 | 0·2 | 2·3 | 0·1 | 4·4 | 0·2 | <0·001 |
| Dairy (10) | 5·3 | 0·1 | 4·7 | 0·1 | 5·3 | 0·1 | 5·6 | 0·1 | <0·001 |
| Total protein foods (5) | 3·6 | 0·0 | 3·1 | 0·1 | 3·5 | 0·1 | 3·9 | 0·1 | <0·001 |
| Seafood and plant protein (5) | 2·4 | 0·1 | 1·0 | 0·1 | 2·1 | 0·1 | 3·4 | 0·1 | <0·001 |
| Fatty acid ratio (10) | 5·0 | 0·1 | 2·7 | 0·2 | 4·5 | 0·2 | 6·7 | 0·1 | <0·001 |
| Refined grains (10) | 6·8 | 0·1 | 4·8 | 0·3 | 6·5 | 0·2 | 8·2 | 0·1 | <0·001 |
| Sodium (10) | 6·7 | 0·1 | 4·6 | 0·3 | 6·5 | 0·1 | 7·9 | 0·1 | <0·001 |
| Added sugars (10) | 6·2 | 0·1 | 4·4 | 0·3 | 5·8 | 0·1 | 7·6 | 0·1 | <0·001 |
| Saturated fats (10) | 5·7 | 0·1 | 3·9 | 0·2 | 5·4 | 0·1 | 7·0 | 0·2 | <0·001 |
%E, percentage of energy.
*
Higher scores of the HEI-2015 total and component scores indicate higher diet quality.