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Table 2 Changes in dietary intake among Veggie Van study completers by intervention condition

From: Cluster randomized controlled trial of a mobile market intervention to increase fruit and vegetable intake among adults in lower-income communities in North Carolina

F&V Intake (Cups/Day)

 Outcome

Intervention (n = 74)

Mean† (SE)

Control (n = 68)

Mean† (SE)

Intervention Effect

Mean Difference† (SE)

P-value†

  Baseline

3.33 (0.27)

3.48 (0.38)

−0.15 (0.46)

0.75

  6-month Follow-up

3.64 (0.30)

2.82 (0.19)

0.81 (0.36)

0.05*

 Change at 6-months controlling for clustering

 

0.41 (0.46)

−0.64 (0.46)

01.06 (0.65)

0.14

 Change at 6-months controlling for clustering and baseline F&V intake

 

0.34 (0.31)

−0.59 (0.32)

0.93 (0.45)

0.06

 Change at 6-months controlling for clustering, baseline F&V intake, and education

 

0.30 (0.28)

−0.65 (0.09)

0.95 (0.30)

0.005*

 Change at 6-months controlling for clustering, baseline F&V intake, and education (extremes removed)

 

0.14 (0.20)

−0.37 (0.20)

0.51 (0.28)

0.11

Added Sugar Intake (Servings/Day)

 Outcome

Intervention

Mean† (SE)

Control

Mean† (SE)

Intervention Effect

Mean Difference† (SE)

p-value

  Baseline

2.31 (0.26)

1.84 (0.18)

0.47 (0.31)

0.14

  6-month Follow-up

2.19 (0.23)

1.71 (0.16)

0.48 (0.32)

0.10

 Change at 6-months controlling for clustering

 

−0.15 (0.27)

−0.13 (0.27)

0.02 (0.38)

0.96

 Change at 6-months controlling for clustering and baseline sugar intake

 

−.07 (0.23)

−.26 (0.23)

0.19 (0.32)

0.51

 Change at 6-months controlling for clustering, baseline sugar intake, and education

 

−.07 (0.23)

−.26 (0.23)

0.19 (0.32)

0.52

  1. †All means, mean differences and p-values are adjusted for clustering within sites and any other controls specified within the model; *statistically significant (p < 0.05)
  2. F&V fruit and vegetables, SD Standard Deviation, SE Standard Error