Table 6.
Regression (clustered) analysis between consumption of meals out* and overall diet quality index and its component and sub-component scores (expressed as percentage) among British adolescents aged 11–18 years (n 2045) from the National Diet and Nutrition Survey (NDNS) rolling programme, Years 1–6 (2008–2014)
| Unadjusted analysis | Adjusted analysis† | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low consumers | Moderate consumers | Low consumers | Moderate consumers | |||||||||
| Frequent meals-out consumers as reference | B | 95 % CI | P | B | B | 95 % CI | P | B | B | 95 % CI | P | B |
| DQI-A% | 2·8 | 1·0, 4·6 | <0·01 | 3·4 | 1·7, 5·0 | <0·01 | 3·3 | 1·3, 5·4 | <0·01 | 3·5 | 1·7, 5·3 | <0·01 |
| DQc% | 5·3 | 1·6, 9·1 | <0·01 | 5·0 | 1·6, 8·4 | <0·01 | 6·5 | 2·4, 10·7 | <0·01 | 5·4 | 1·7, 9·0 | <0·01 |
| DDc% | 1·2 | −0·4, 2·8 | 0·1 | 2·5 | 1·1, 3·9 | <0·01 | 1·8 | 0·1, 3·5 | 0·04 | 3·0 | 1·4, 4·5 | <0·01 |
| DEc% | 1·9 | 0·9, 2·8 | <0·01 | 2·6 | 1·7, 3·5 | <0·01 | 1·6 | 0·6, 2·7 | <0·01 | 2·1 | 1·1, 3·0 | <0·01 |
| DAx% | 0·6 | −0·7, 1·9 | 0·4 | 1·9 | 0·8, 3·1 | <0·01 | 0·5 | −0·9, 1·9 | 0·5 | 1·5 | 0·2, 2·7 | 0·02 |
| DEx% | −1·4 | −2·2, −0·5 | <0·01 | −1·0 | −1·8, −0·2 | <0·01 | −1·2 | −2·2, −0·3 | <0·01 | −0·9 | −1·7, 0·0 | 0·04 |
DQI-A, Diet Quality Index for Adolescents; DQc, diet quality component; DDc, diet diversity component, DEc, diet equilibrium component; DAx, diet adequacy sub-component; DEx, diet excess sub-component.
*Low consumption defined as rarely/never; moderate consumption defined as once per month; and frequent consumption defined as once or twice per week or more.
†Adjusted model controlled for age, food energy and household income.