Table 1

Diet Quality Score (DQS) construction

Individual component

Score


Healthfulness (0–8 points)

Fat % energy 15–30% = 1; No = 0

SFA % energy <10% = 1; No = 0

PUFA % energy 6–10% = 1; No = 0

Sugars % energy <10% = 1; No = 0

Protein % energy 10–15% = 1; No = 0

Cholesterol intake <300 mg/d = 1; No = 0

Fibre intake >25 g/d = 1; No = 0

Fruit and vegetable intake ≥400 g/d = 1; No = 0

Micronutrient adequacy (0–7 points)

Vitamin A adequacy

Vitamin E adequacy

Vitamin C adequacy

Thiamin adequacy

Riboflavin adequacy

Niacin adequacy

Vitamin B6 adequacy

Micronutrient intake is ≥100% of recommended

daily intake = 0.5; Micronutrient intake <100% of RDI = 0

Vitamin B12 adequacy

Pantothenic acid adequacy

Folate adequacy

Magnesium adequacy

Calcium adequacy

Iron adequacy

Zinc adequacy

Diet Quality Score (0–15 points)

1st quartile (0–8) = 0

2nd quartile (8.5–10) = 1

3rd quartile (10.5–11) = 2

4th quartile (11.5–15) = 3


SFA: Saturated fatty acids; PUFA: Polyunsaturated fatty acids

Sodjinou et al. BMC Public Health 2008 8:84   doi:10.1186/1471-2458-8-84

Open Data