Volume 18, Number 7—July 2012
Changing Socioeconomic Indicators of Human Plague, New Mexico, USA
|% Positive||OR (95% CI)||% Positive||OR (95% CI)||% Positive||OR (95% CI)|
|Population in poverty†|
|High||64.1||1.81 (1.05–3.12)||55.2||1.24 (0.58–2.65)||35.0||0.52 (0.21–1.34)|
|Value of homes|
|High||40.6||0.64 (0.38–1.10)||51.7||1.07 (0.50–2.27)||75.0||3.11 (1.11–8.71)‡|
|Housing 0–5 y old|
|High||48.4||0.93 (0.55–1.58)||65.5||1.97 (0.90–4.34)||75.0||3.14 (1.12–8.79)‡|
|High||84.4||6.68 (3.31–13.49)‡||65.5||1.97 (0.90–4.34)||55.0||1.23 (0.50–3.04)|
|Use of wood fuel|
|High||84.4||6.68 (3.31–13.49)‡||79.3||4.17 (1.66–10.44)‡||75.0||3.14 (1.12–8.79)|
*Boldface indicates significant associations (p<0.05). CBGs, census block groups; OR, odds ratio.
†Defined by the US Census Bureau as the proportion of the population living near or below the federal poverty line, which is based on household income adjusted for number of household members. The definition of the federal poverty line changed between the 1980 and 1990 censuses, Therefore, rates are not directly comparable across decennials.
‡Variables that continued to be significant after controlling for presence of ecotone habitat.
§Defined by the US Census Bureau as lacking >1 of the following: hot and cold piped water, a flush toilet, and a bathtub or shower. Values are not directly comparable among censuses. In 1980, a housing unit was considered to have complete plumbing only if plumbing fixtures were for exclusive for the residents of that unit. In 1990, the requirement of exclusive use was dropped.
1Current affiliation: Marshfield Clinic Research Foundation, Marshfield, Wisconsin, USA.