U.S. households earning $100,000 or more in annual income, spent more than twice as much on wine than average American consumers during the 52 weeks ending June 28, 2008.
Although they represent only 18.7% of U.S. households, high-income households represented 39.6% of wine dollar sales during the time period. 
Other categories skewing to households with high incomes include diet aids, liquor, and floral/gardening supplies.

Rank
(by highest index)
Top 10 Category Purchases:
U.S. Households
With $100,000+ Annual Income
Dollar Volume Index*

1
Wine
212

2
Diet Aids
158

3
Liquor
156

4
Floral / Gardening
155

5
Baby Needs
152

6
Snacks / Spreads / Dairy Dips
148

7
Baby Food
147

8
Skin Care Preparations
147

9
Fresh Produce
144

10
Juices / Refrigerated Drinks
142

*Note: “Dollar Volume …