Table 3.

Multivariate rate ratios* comparing TB rates in areas of low (referent) and high SES among U.S.- born and foreign-born populations

	Foreign-born(95% CI†)	U.S.-born(95% CI)
Education‡	1.01 (0.94-1.08)	1.60 (1.48-1.73)
Crowding§	1.16 (1.10-1.21)	2.05 (1.92-2.18)
Incomell	1.14 (1.06-1.23)	1.16 (1.07-1.26)
Unemployment**	1.00 (0.94-1.07)	1.88 (1.75-2.02)

* Multivariate models were adjusted for all SES variables.

^† Confidence interval.

^‡ Percentage of the total population 25 and over in the ZIP Code Tabulation. Area (ZCTA) with any college attendance.

^§ Percentage of housing units in the ZCTA with one or more persons per room.

^ll Per capita income in 1999 in the ZCTA.

^** Percentage of the total population in the ZCTA civilian labor force that is unemployed.