Table 5.
Regression (clustered) analysis between takeaway consumption* 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 takeaway consumers as reference | B | 95 % CI | P | B | 95 % CI | P | B | 95 % CI | P | B | 95 % CI | P |
| DQI-A% | 7·4 | 5·6, 9·2 | <0·01 | 3·7 | 2·2, 5·2 | <0·01 | 7·4 | 5·5, 9·2 | <0·01 | 3·5 | 1·9, 5·1 | <0·01 |
| DQc% | 14·2 | 10·5, 17·9 | <0·01 | 6·7 | 3·6, 9·9 | <0·01 | 13·6 | 9·7, 17·5 | <0·01 | 6·5 | 3·2, 9·9 | <0·01 |
| DDc% | 4·6 | 3·1, 6·1 | <0·01 | 2·4 | 1·1, 3·6 | <0·01 | 5·1 | 3·5, 6·7 | <0·01 | 2·1 | 0·8, 3·5 | <0·01 |
| DEc% | 3·4 | 2·5, 4·4 | <0·01 | 2·0 | 1·2, 2·8 | <0·01 | 3·4 | 2·4, 4·4 | <0·01 | 1·8 | 0·9, 2·7 | <0·01 |
| DAx% | 1·6 | 0·3, 2·8 | 0·02 | 1·0 | −0·1, 2·1 | 0·1 | 1·9 | 0·6, 3·2 | <0·01 | 0·7 | −0·5, 1·8 | 0·3 |
| DEx% | −2·1 | −3·0, −1·3 | <0·01 | −1·2 | −1·9, −0·5 | <0·01 | −1·8 | −2·7, −1·0 | <0·01 | −1·3 | −2·0, −0·5 | <0·01 |
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.