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Impact of income management on store sales in the Northern Territory

Brimblecombe, Julie K., McDonnell, Joseph, Barnes, Adam, Dhurrkay, Joanne Garnggulkpuy, Thomas, David P. and Bailie, Ross S. (2010). Impact of income management on store sales in the Northern Territory. Medical Journal of Australia,192(10):549-554.

Document type: Journal Article
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IRMA ID 81704288xPUB319
Title Impact of income management on store sales in the Northern Territory
Author Brimblecombe, Julie K.
McDonnell, Joseph
Barnes, Adam
Dhurrkay, Joanne Garnggulkpuy
Thomas, David P.
Bailie, Ross S.
Journal Name Medical Journal of Australia
Publication Date 2010
Volume Number 192
Issue Number 10
ISSN 0025-729X   (check CDU catalogue  open catalogue search in new window)
Start Page 549
End Page 554
Total Pages 6
Place of Publication Australia
Publisher Australasian Medical Publishing Company Pty. Ltd.
HERDC Category C1 - Journal Article (DIISR)
Abstract Objective: To examine the impact of a government income management program on store sales.

Design and setting:
An interrupted time series analysis of sales data in 10 stores in 10 remote Northern Territory communities during 1 October 2006 to 30 September 2009, which included an 18-month period before income management; a 4–6-month period after the introduction of income management; a 3-month period that coincided with a government stimulus payment; and the remaining income-management period.

Main outcome measures:
Trends in (i) total store sales; (ii) total food and beverage sales; (iii) fruit and vegetables sales; (iv) soft drink sales; and v) tobacco sales.

Results:
Modest monthly increases indicative of inflation were found for all outcome measures before the introduction of income management, except for soft drink sales, which remained constant. No change from the increasing rate of monthly sales before income management was seen in the first 4–6 months of income management or for the income-management period thereafter for total store sales, food and beverage sales, fruit and vegetable sales and tobacco sales. The rate of soft drink sales declined significantly with the introduction of income management and then increased significantly thereafter. The 3-month government stimulus payment period (during the period of income management) was associated with a significant increase in the rate of sales for all outcome measures.

Conclusion:
Income management independent of the government stimulus payment appears to have had no beneficial effect on tobacco and cigarette sales, soft drink or fruit and vegetable sales.
Description for Link Link to published version
URL https://www.mja.com.au/journal/2010/192/10/impact-income-management-store-sales-northern-territory


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