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Table 2 The change in food groups serves per day, body weight and BMI within trial groups

From: The connecting health and technology study: a 6-month randomized controlled trial to improve nutrition behaviours using a mobile food record and text messaging support in young adults

  aMean ± SEM (6 months – baseline) bBetween group difference in Mean change [95 % CI]
  Feedback + Text (n = 78) Feedback only (n = 72) Control (n = 69) Feedback + Text-Control Feedback only-Control
All participants
 Vegetables serves 0.2 ± 0.1 0.4 ± 0.1 P = .002 0.4 ± 0.1 P = .02 −0.1 [−0.5,0.2] 0.1 [−0.3,0.4]
 Fruit serves −0.2 ± 0.1 P = .03 −0.1 ± 0.1 −0.2 ± 0.1 −0.1 [−0.4,0.2] 0.1 [−0.2,0.4]
 Sugar-sweetened beverage serves −0.1 ± 0.1 −0.2 ± 0.1 P = .02 −0.1 ± 0.1 0.1 [−0.2,0.3] −0.1 [−0.3,0.1]
 EDNP food serves −0.8 ± 0.2 P < 0.001 −0.8 ± 0.2 P < 0.001 −0.5 ± 0.2 −0.3 [−0.9,0.3] −0.4 [1.0,0.2]
 Alcohol serves −0.1 ± 0.1 −0.2 ± 0.1 0.0 ± 0.1 −0.1 [−0.4,0.2] −0.1 [−0.4,0.2]
 Body weight (kg) 0.4 ± 0.4 −0.6 ± 0.5 1.1 ± 0.7 −0.8 [−2.2,0.7] −1.7 [−3.2,−0.3] P = .02
 BMI 0.1 ± 0.1 −0.3 ± 0.2 0.4 ± 0.2 −0.2 [−0.7,0.3] −0.6 [−1.1,−0.1] P = .02
Men
 Vegetables serves −0.2 ± 0.2 0.2 ± 0.3 0.2 ± 0.2 −0.4 [−0.9,0.2] 0.0 [−0.6,0.6]
 Fruit serves −0.5 ± 0.3 −0.2 ± 0.3 −0.3 ± 0.2 −0.3 [−0.9,0.4] 0.0 [−0.7,0.7]
 Sugar-sweetened beverage serves 0.0 ± 0.2 0.0 ± 0.2 −0.1 ± 0.1 0.2 [−0.3,0.6] 0.2 [−0.3,0.7]
 EDNP food serves −1.0 ± 0.4 P = .01 −1.4 ± 0.5 P = .008 −0.0 ± 0.4 −0.9 [−2.1,0.3] −1.4 [−2.6,−0.2] P = .02
 Alcohol serves −0.1 ± 0.1 0.0 ± 0.3 0.0 ± 0.1 −0.1 [−0.6,0.5] −0.1 [−0.5,0.6]
 Body weight (kg) 0.6 ± 0.7 0.3 ± 0.8 1.8 ± 1.9 −1.3 [−4.4,1.9] −1.5 [−4.8,1.8]
 BMI 0.2 ± 0.2 0.1 ± 0.2 0.6 ± 0.6 −0.4 [−1.4,0.6] −0.5 [−1.5,0.5]
Women
 Vegetables serves 0.4 ± 0.2 P = .01 0.5 ± 0.1 P < .001 0.4 ± 0.2 P = .03 −0.2 [−.05,0.4] 0.1 [−0.4,0.6]
 Fruit serves −0.2 ± 0.1 0.0 ± 0.1 −0.2 ± 0.1 0.0 [−0.3,0.3] 0.1 [−0.2,0.4]
 Sugar-sweetened beverage serves −0.1 ± 0.1 −0.3 ± 0.1 P = .001 −0.1 ± 0.1 0.0 [−0.2,0.3] −0.2 [−0.4,−0.01] P = .04
 EDNP food serves −0.7 ± 0.2 P = .001 −0.5 ± 0.2 P = .03 −0.6 ± 0.3 P = .02 0.0 [−0.7,0.6] 0.1 [−0.5,0.8]
 Alcohol serves −0.3 ± 0.1 −0.3 ± 0.1 0.0 ± 0.1 −0.1 [−0.4,0.2] −0.2 [−0.5,0.1]
 Body weight (kg) 0.3 ± 0.5 −1.0 ± 0.6 0.8 ± 0.5 −0.5 [−2.0,0.9] −1.8 [−3.3,−0.4] P = .01
 BMI 0.1 ± 0.2 −0.4 ± 0.2 0.3 ± 0.2 −0.2 [−0.7,0.4] −0.7 [−1.3,−0.2] P = .01
  1. aPaired-sample t test was used to assess within group differences
  2. bLinear mixed models was used to assess between group differences
  3. Bold values denote significant treatment differences