. Author manuscript; available in PMC: 2014 Oct 27.

Published in final edited form as: Chapman Hall CRC Handb Mod Stat Methods. 2010;2010:541–558. doi: 10.1201/9781420072884-c30

Table 30.2.

Exposure and gender distribution in area i, x̄_i is the proportion exposed and z̄_i is the proportion male; p_i₀₀, p_i₀₁, p_i₁₀, p_i₁₁ are the within-area cross-classification frequencies.

	Female	Male
Unexposed	p_i₀₀	p_i₀₁	1 − x̄_i
Exposed	p_i₁₀	p_i₁₁	x̄_i

	1− z̄_i	z̄_i	1.0