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

Kerr, Deborah A.; Harray, Amelia J.; Pollard, Christina M.; Dhaliwal, Satvinder S.; Delp, Edward J.; Howat, Peter A.; Pickering, Mark R.; Ahmad, Ziad; Meng, Xingqiong; Pratt, Iain S.; Wright, Janine L.; Kerr, Katherine R.; Boushey, Carol J.

doi:10.1186/s12966-016-0376-8

International Journal of Behavioral Nutrition and Physical Activity

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*

^aPaired-sample t test was used to assess within group differences
^bLinear mixed models was used to assess between group differences
Bold values denote significant treatment differences

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ISSN: 1479-5868

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