Table 4 Change in DASH score components at 3 months

From: Efficacy of supermarket and web-based interventions for improving dietary quality: a randomized, controlled trial

 

Control (n = 46) mean (95% CI)

Strategy 1 (n = 100) mean (95% CI)

Strategy 2 (n = 101) mean (95% CI)

Strategies 1 and 2 versus control mean (95% CI)

P value

Strategy 2 versus 1 mean (95% CI)

P value

Fruit servings, 1,000 kcal d–1

 At baseline

1.8 (1.3, 2.3)

1.6 (1.3, 2.0)

1.3 (1.0, 1.7)

    

 Change (baseline to 3 months)

0.2 (−0.3, 0.7)

0.7 (0.4, 1.0)

1.2 (0.9, 1.5)

0.8 (0.2, 1.3)

<0.01

0.5 (0, 0.9)

0.03

Vegetable servings, 1,000 kcal d–1

 At baseline

3.3 (2.7, 3.8)

2.7 (2.3, 3.1)

2.7 (2.3, 3.1)

    

 Change (baseline to 3 months)

0.3 (−0.3, 0.9)

0.8 (0.4, 1.2)

0.8 (0.4, 1.2)

0.5 (−0.2, 1.2)

0.18

0 (−0.6, 0.6)

1.00

Total dairy servings, 1,000 kcal d–1

 At baseline

1.7 (1.4, 2.0)

1.7 (1.5, 1.9)

1.6 (1.4, 1.8)

    

 Change (baseline to 3 months)

−0.3 (−0.7, 0.1)

−0.2 (−0.4, 0.1)

0 (−0.2, 0.2)

0.2 (−0.2, 0.7)

0.27

0.2 (−0.2, 0.5)

0.32

Low-fat dairy servings, 1,000 kcal d–1

 At baseline

0.3 (0.2, 0.5)

0.3 (0.2, 0.4)

0.3 (0.1, 0.4)

    

 Change (baseline to 3 months)

0 (−0.2, 0.2)

0.3 (0.2, 0.4)

0.2 (0.1, 0.3)

0.3 (0.1, 0.4)

<0.01

−0.1 (−0.2, 0.1)

0.43

Total grain servings, 1,000 kcal d–1

 At baseline

5.5 (4.8, 6.2)

5.4 (4.9, 5.9)

5.0 (4.5, 5.5)

    

 Change (baseline to 3 months)

−1.3 (−2.0, −0.7)

−1.0 (−1.4, −0.5)

−0.5 (−1.0, −0.1)

0.6 (−0.2, 1.4)

0.14

0.5 (−0.2, 1.1)

0.16

Whole grain servings, 1,000 kcal d–1

 At baseline

1.6 (1.2, 2.0)

1.3 (1.0, 1.6)

1.2 (0.9, 1.5)

    

 Change (baseline to 3 months)

0 (−0.4, 0.4)

0.7 (0.4, 1.0)

1.0 (0.7, 1.3)

0.9 (0.4, 1.4)

<0.01

0.3 (−0.1, 0.7)

0.13

Meat servings, 1,000 kcal d–1

 At baseline

5.0 (4.2, 5.7)

5.1 (4.6, 5.6)

5.5 (4.9, 6.0)

    

 Change (baseline to 3 months)

−0.2 (−1.0, 0.6)

−0.4 (−0.9, 0.1)

−0.6 (−1.1, −0.1)

−0.3 (−1.2, 0.6)

0.52

−0.2 (−0.9, 0.5)

0.52

Nuts/seeds servings, 1,000 kcal d–1

 At baseline

0.9 (0.5, 1.4)

1.1 (0.8, 1.4)

1.1 (0.8, 1.4)

    

 Change (baseline to 3 months)

0.5 (0, 1.0)

0.1 (−0.2, 0.4)

0.4 (0, 0.7)

−0.3 (−0.9, 0.3)

0.36

0.3 (−0.2, 0.7)

0.24

Sweets servings, 1,000 kcal d–1

 At baseline

2.5 (1.9, 3.0)

2.3 (1.9, 2.7)

2.5 (2.1, 2.8)

    

 Change (baseline to 3 months)

−1.1 (−1.7, −0.5)

−0.6 (−1.0, −0.2)

−0.9 (−1.3, −0.5)

0.4 (−0.3, 1.0)

0.29

−0.3 (−0.8, 0.3)

0.33

Fats/oils servings, 1,000 kcal d–1

 At baseline

4.0 (3.4, 4.5)

3.6 (3.1, 4.0)

3.7 (3.3, 4.1)

    

 Change (baseline to 3 months)

−0.8 (−1.4, −0.2)

−0.6 (−1.0, −0.2)

−1.0 (−1.4, −0.6)

0 (−0.7, 0.7)

0.98

−0.4 (−1.0, 0.2)

0.14

Sodium, mg d–1

 At baseline

2.836.4 (2.580.5, 3,092.4)

2,773.5 (2,585.9, 2,961.1)

2,633.8 (2,447.0, 2,820.6)

    

 Change (baseline to 3 months)

−615.0 (−885.5, −344.5)

−609.4 (−787.5, −431.3)

−546.9 (−721.5, −372.3)

36.9 (−272.5, 346.2)

0.81

62.5 (−183.4, 308.4)

0.62

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