Providing additional money to food-insecure households and its effect on food expenditure: a randomized controlled trial

Smith, Claire; Parnell, Winsome R.; Brown, Rachel; Gray, Andrew

doi:10.1017/s1368980012003680

Cited by 16 publications

(21 citation statements)

References 21 publications

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“…Expenditure on food for an adult female was less than NZ$40/week, well below the estimated cost of a ‘basic diet’ ($56 per adult woman) from the 2009 NZ Estimated Food Cost Survey . It is likely that food expenditure has been underestimated as a decline was found in food expenditure between week 1 and week 4.…”

Section: Discussionmentioning

confidence: 86%

“…The Spend study took place in Dunedin, NZ, between June 2009 and May 2010. Food shopping receipts were collected and food purchasing forms were completed by each household over four consecutive weeks . The study protocol was approved by the Human Ethics Committee of the University of Otago.…”

Section: Methodsmentioning

confidence: 99%

“…The sample size was calculated to meet the objectives of the randomised controlled trial from which these data were derived . While the main study was not powered specifically for the analyses presented here, the confidence interval (CI) widths indicate the precision of the estimates that were obtained in this paper.…”

Section: Methodsmentioning

confidence: 99%

“…The recent Spend study was designed to examine the effect of providing additional money on the food expenditure of food‐insecure households with children. The results of this intervention are reported elsewhere . In the Spend study, households collected food shopping receipts for a baseline period of four weeks, providing a rich data source to examine food purchasing practices .…”

Section: Introductionmentioning

confidence: 99%

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Balancing the diet and the budget: Food purchasing practices of food‐insecure families in New Zealand

Smith

Parnell

Brown

et al. 2013

Nutrition & Dietetics

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Aim The aims of this study were to examine total food expenditure and the types of food purchased in food‐insecure households with children, to compare these by severity of food insecurity (moderate or low food security) and furthermore to estimate food expenditure as a percentage of net household income. Methods The study was conducted in Dunedin, New Zealand (NZ) (from June 2009 to May 2010), and included low‐income (≤NZ$45 000/year), food‐insecure households with children (n = 165). The main food preparer was interviewed to determine the food security status of the household. Households collected food shopping receipts and recorded all food that was purchased for four weeks. Results Households reported spending NZ$132/week on food. The greatest percentage of food dollars was allocated to the food group meat, fish and poultry (14.5%), followed by fruit and vegetables (13.7%). Households with low food security reported spending less money compared to households with moderate food security on total food and the food groups fruit and vegetables and cereals but not on the food groups meat, fish and poultry or dairy and eggs (excluding milk). Food expenditure was estimated to be more than 30% of net income for households with an annual income of less than NZ$35 000. Conclusions For the core foods fruit, vegetables and cereals, reported food spending was less for households with low food security compared to households with moderate food security. This is likely to contribute to poor health in addition to being an undesirable and stressful condition for a household.

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Section: Discussionmentioning

confidence: 86%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Balancing the diet and the budget: Food purchasing practices of food‐insecure families in New Zealand

Smith

Parnell

Brown

et al. 2013

Nutrition & Dietetics

Self Cite

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“…Moreover, the long term health impacts of the app for people with CVD and its effectiveness for primary prevention, are yet to be explored. However, these questions could be explored in future trials, and the findings of the current SaltSwitch trial will contribute significantly to the growing evidence base for the effectiveness of smartphone interventions; while there are several smartphone apps available on the market for people with CVD and other non-communicable diseases, the majority are not evidence-based [1, 34, 35]. …”

Section: Discussionmentioning

confidence: 99%

Using mobile technology to support lower-salt food choices for people with cardiovascular disease: protocol for the SaltSwitch randomized controlled trial

et al. 2014

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BackgroundCardiovascular disease (CVD) is the leading cause of early death worldwide, responsible for an estimated 29% of all global deaths. Reducing salt intake lowers blood pressure and risk of secondary cardiac events. However, identifying low salt foods can be challenging. SaltSwitch is a simple smartphone application (app) that enables shoppers to scan the barcode of packaged foods and receive an immediate, interpretive, traffic light nutrition label on the screen, along with suggestions for healthier lower-salt alternatives. A growing body of evidence suggests mobile technologies can support healthy behaviour change. However, robust evidence for the impact of smartphone interventions is lacking. This manuscript outlines the rationale and methods for a randomized controlled trial designed to determine the effectiveness of SaltSwitch in supporting people with CVD to make lower-salt food choices.Design/MethodsA 6-week, two-arm, parallel, randomized controlled trial is being undertaken in New Zealand (2 weeks baseline and 4 weeks intervention). Three hundred adults aged 40 years and older with CVD and their main household shoppers are recruited from research lists, cardiac rehabilitation clinics, and communities in Auckland. Participants are randomized to receive either the SaltSwitch smartphone app or no intervention (control). Randomisation is stratified by ethnicity and age. The primary outcome is the salt content of household food purchases. Secondary outcomes are the saturated fat and energy content of household food purchases, household food expenditure, use and acceptability of the SaltSwitch app by shoppers, and urinary sodium and blood pressure of participants with CVD. Ambulatory blood pressure and potential longer-term impact (12 weeks) of SaltSwitch will be assessed in sub-studies (n ~ 40 and n ~ 20, respectively). Household purchases of salt and other nutrients will be assessed using till receipt data electronically linked with branded food composition data.DiscussionThe results of the SaltSwitch trial will determine the effectiveness, use and acceptability of a smartphone application to support lower salt food choices and secondary prevention of CVD.Trial registrationACTRN12614000206628. Registered 30 March 2014.

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Nutrition and childhood

Langley‐Evans

2015

Nutrition, Health and Disease

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Providing additional money to food-insecure households and its effect on food expenditure: a randomized controlled trial

Cited by 16 publications

References 21 publications

Balancing the diet and the budget: Food purchasing practices of food‐insecure families in New Zealand

Balancing the diet and the budget: Food purchasing practices of food‐insecure families in New Zealand

Using mobile technology to support lower-salt food choices for people with cardiovascular disease: protocol for the SaltSwitch randomized controlled trial

Nutrition and childhood

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