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. Author manuscript; available in PMC: 2010 Nov 2.
Published in final edited form as: Fisc Stud. 2009 Dec 1;30(3-4):435–459. doi: 10.1111/j.1475-5890.2009.00103.x

Table 5.

Annual spending on food and beverages, CAMS waves 1 and 2. Comparison of self-selected reference period

Reference period Percent distribution Mean ($) Median ($)

Wave 1 Wave 2 Wave 1 Wave 2 Wave 1 Wave 2
last week 39.1 51.3 4,732 5,082 3,911 3,911
last month 30.4 23.9 3,323 3,843 2,400 2,700
last 12 months 28.6 21.9 2,833 2,681 2,400 2,125
no spending 1.9 3.0 0 0 0 0
All 100.0 100.0 3,669 4,110 2,868 3,128