Shopsmart 4 health: results of a randomized controlled trial of a behavioral intervention promoting fruit and vegetable consumption among socioeconomically disadvantaged women

Ball, Kylie, McNaughton, Sarah A., Le, Ha ND, Abbott, Gavin, Stephens, Lena D. and Crawford, David A. 2016, Shopsmart 4 health: results of a randomized controlled trial of a behavioral intervention promoting fruit and vegetable consumption among socioeconomically disadvantaged women, American journal of clinical nutrition, vol. 104, no. 2, pp. 436-445, doi: 10.3945/ajcn.116.133173.

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Title Shopsmart 4 health: results of a randomized controlled trial of a behavioral intervention promoting fruit and vegetable consumption among socioeconomically disadvantaged women
Author(s) Ball, KylieORCID iD for Ball, Kylie orcid.org/0000-0003-2893-8415
McNaughton, Sarah A.ORCID iD for McNaughton, Sarah A. orcid.org/0000-0001-5936-9820
Le, Ha NDORCID iD for Le, Ha ND orcid.org/0000-0001-8279-8324
Abbott, GavinORCID iD for Abbott, Gavin orcid.org/0000-0003-4014-0705
Stephens, Lena D.
Crawford, David A.ORCID iD for Crawford, David A. orcid.org/0000-0002-2467-7556
Journal name American journal of clinical nutrition
Volume number 104
Issue number 2
Start page 436
End page 445
Total pages 10
Publisher American Society for Nutrition
Place of publication Rockville, Md.
Publication date 2016-08
ISSN 1938-3207
Keyword(s) disadvantaged women
fruit and vegetables
nutrition intervention
randomized controlled trial
socioeconomic disadvantage
Summary BACKGROUND: Behavioral interventions show potential for promoting increased fruit and vegetable consumption in the general population. However, little is known about their effectiveness or cost-effectiveness among socioeconomically disadvantaged groups, who are less likely to consume adequate fruit and vegetables. OBJECTIVE: This study investigated the effects and costs of a behavior change intervention for increasing fruit and vegetable purchasing and consumption among socioeconomically disadvantaged women. DESIGN: ShopSmart 4 Health was a randomized controlled trial involving a 3-mo retrospective baseline data collection phase [time (T) 0], a 6-mo intervention (T1-T2), and a 6-mo no-intervention follow-up (T3). Socioeconomically disadvantaged women who were primary household shoppers in Melbourne, Australia, were randomly assigned to either a behavior change intervention arm (n = 124) or a control arm (n = 124). Supermarket transaction (sales) data and surveys measured the main outcomes: fruit and vegetable purchases and self-reported fruit and vegetable consumption. RESULTS: An analysis of supermarket transaction data showed no significant intervention effects on vegetable or fruit purchasing at T2 or T3. Participants in the behavior change intervention arm reported consumption of significantly more vegetables during the intervention (T2) than did controls, with smaller intervention effects sustained at 6 mo postintervention (T3). Relative to controls, vegetable consumption increased by ∼0.5 serving · participant(-1) · d(-1) from baseline to T2 and remained 0.28 servings/d higher than baseline at T3 among those who received the intervention. There was no intervention effect on reported fruit consumption. The behavior change intervention cost A$3.10 (in Australian dollars) · increased serving of vegetables(-1) · d(-1)CONCLUSIONS: This behavioral intervention increased vegetable consumption among socioeconomically disadvantaged women. However, the lack of observed effects on fruit consumption and on both fruit and vegetable purchasing at intervention stores suggests that further investigation of effective nutrition promotion approaches for this key target group is required. The ShopSmart 4 Health trial was registered at www.isrctn.com as ISRCTN48771770.
Language eng
DOI 10.3945/ajcn.116.133173
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID ARC LP 0990129
Copyright notice ©2016, American Society for Nutrition
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085027

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