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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