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Table 1 Summary of questions and mean intake scores from Child Nutrition Questionnaire

From: Describing socioeconomic gradients in children’s diets – does the socioeconomic indicator used matter?

Scale Items Response Score range Target healthy value# Boys (n = 275) Mean (SD) Girls (n = 353) Mean (SD)
Fruit intake (3-items) (1) Consumption of fruit at recess/lunch/after school, (2) Variety of fruits consumed yesterday, (3) Usual serves of fruit per day (1–2) Tick if consumed; (3) Frequency scalea 0 - 16 ≥ 6 5.44 (2.92) 5.35 (2.62)
Vegetable intake (3-items) (1) Consumption of vegetables at recess/lunch/after school, (2) variety of vegetables consumed yesterday, (3) usual serves of vegetables per day (1–2) Tick if consumed; (3) Frequency scalea 0 - 13 ≥ 8 4.72 (2.40) 4.71 (2.40)
Non-core food intake (2-items) (1) Consumption of 11 non-core foods at recess/lunch/after school, (2) No. times/week non-core foods consumedd (1) Tick if consumed; (2) Frequency scaleb 0 - 33 ≤ 1 3.56 (2.33) 3.69 (1.91)
Sweet drink intake (2-items) (1) Consumption of sweet drinks (incl. juice) at recess/lunch/after school, (2) No. times/week sweet drinks consumed (1) Tick if consumed; (2) Frequency scaleb 0 - 14 ≤ 1.3 1.75 (1.35) 1.67 (1.27)
Healthy behaviours (5-items) No. times p/week: (1) Eat breakfast, (2) Carry water bottle, (3) Help with groceries, (4) Help prepare dinner, (5) Eat dinner with family Frequency scalec 4 - 20 n/a 17.42* (3.57) 18.42* (3.68)
Unhealthy behaviours (3-items) No. times p/week: (1) Eat dinner in front of TV, (2) Eat snacks in front of TV, (3) Eat fast food Frequency scalec 3 - 15 n/a 7.64 (2.84) 7.68 (2.58)
  1. *p = 0.001 for difference in dietary intake scores between boys and girls.
  2. #Target healthy values established by Wilson et al. 2008 [27].
  3. aFrequency scale (scoring in parentheses): I don’t eat fruit/vegetables (0.0), less than 1 serve per day (0.5), 1–2 serves per day (1.5), 3–5 serves per day (4.0), and more than 5 serves per day (6.0).
  4. bFrequency scale (Weighted for daily consumption by dividing weekly score by seven - shown in parentheses): never/rarely (0.0), less than once/week (0.07), about 1–3 times per week (0.29), about 4–6 times per week (0.71), every day (1.00).
  5. cFrequency scale: never/rarely, less than once/week, about 1–3 times per week, about 4–6 times per week, every day; scored 1–5 respectively.
  6. d(1) 11 non-core food items measured were: potato crisps, chocolate, lollies, muesli bar, savoury biscuits, sweet biscuits, ice-cream/ice-block, hot chips, pie/pasty/sausage roll, hot dog, pizza; (2) Non-core foods consumed were: chocolate/lollies, potato crisps, hot chips.