Category Development Index. The percentage of total national category sales in a geographic area divided by the percentage of U.S. households living in that area.
See Church Development Institute
Church Development Institute. "A leadership training program focused on the ministry of developing the community and organizational life of congregations." (Congregational Development Manual)
Category Development Index Category Development Index (CDI) relates the percent of a category's sales in a market to the percent of the U.S. population in that same market.
Category development index. A comparison of the percent of sales of a product category in a market, to the percent of population in that market.
Category Development Index. A measure of the relative strength of a category's sales in a geographic area. Computationally it is the percent of total national category sales which occur in an area divided by the percent of US households which live in that area.