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. Author manuscript; available in PMC: 2010 Mar 30.
Published in final edited form as: Arch Gen Psychiatry. 2005 Jun;62(6):617–627. doi: 10.1001/archpsyc.62.6.617

Table 5.

Socio-demographic correlates (Odds-ratios) of Latent Class Analysis class membership probabilities (n=3199)1

Class 1
Class 2
Class 3
Class 4
Class 5
Class 6
Class 7
OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)
I. Age
 18–29 0.9 (0.7–1.1) 0.9 (0.7–1.0) 1.4*(1.2–1.6) 0.8 (0.7–1.0) 1.4*(1.2–1.7) 1.1 (0.8–1.4) 1.0 (0.9–1.1)
 30–44 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 --
  χ21 1.9 2.4 15.5* 3.1 14.2* 0.3 0.4
II. Sex
 Female 0.7*(0.6–0.9) 1.6*(1.4–1.8) 0.6*(0.5–0.7) 1.9*(1.7–2.2) 0.6*(0.6–0.7) 1.4*(1.1–1.7) 1.1 (0.9–1.2)
 Male 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 --
  χ21 9.3* 52.2* 51.3* 87.0* 46.1* 9.5* 1.0
III. Race-Ethnicity
 Non-Hispanic White 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 --
 Non-Hispanic Black 2.1*(1.4–3.0) 1.2 (1.0–1.4) 0.9 (0.8–1.1) 0.9 (0.7–1.0) 1.2 (1.0–1.4) 0.5*(0.4–0.7) 1.1 (0.9–1.2)
 Hispanic 2.0*(1.3–3.0) 1.0 (0.8–1.2) 1.3*(1.0–1.7) 0.9 (0.7–1.1) 1.1 (0.9–1.3) 0.5*(0.4–0.8) 0.9 (0.8–1.0)
 Other 0.9 (0.4–1.8) 1.0 (0.7–1.3) 0.8 (0.6–1.1) 0.9 (0.7–1.3) 1.4 (0.9–2.0) 1.1 (0.6–2.1) 1.2 (0.9–1.5)
  χ23 23.4* 4.4 7.8* 3.3 6.2 32.7* 5.9
IV. Education
 0–11 0.3*(0.2–0.5) 0.7*(0.5–1.0) 1.0 (0.7–1.3) 1.2 (1.0–1.6) 1.0 (0.7–1.3) 2.6*(1.7–4.0) ( 1.1 (0.9–1.4)
 12 0.5*(0.4–0.8) 0.8*(0.7–0.9) 1.0 (0.8–1.3) 1.0 (0.8–1.3) 1.0 (0.8–1.2) 1.6*(1.2–2.2) ) 1.2*(1.0–1.3)
 13–15 0.6*(0.4–0.9) 0.9 (0.8–1.1) 1.0 (0.9–1.2) 1.2 (1.0–1.5) 1.0 (0.8–1.2) 1.4*(1.1–1.9) ( 1.0 (0.9–1.1)
 16+ 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- ) 1.0 --
  χ23 25.2* 18.5* 0.4 5.9 0.2 21.2* ( 7.8
V. Marital Status
 Married-cohabitating 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- ) 1.0 --
 Previously married 0.2*(0.1–0.4) 0.9 (0.7–1.1) 0.8 (0.6–1.2) 1.7*(1.2–2.3) 0.6*(0.5–0.9) 3.0*(1.9–4.8) 1.2 (0.9–1.6)
 Never married 0.6*(0.4–0.8) 0.8*(0.7–0.9) 1.2 (1.0–1.5) 1.1 (0.9–1.3) 0.7*(0.6–0.9) 1.5*(1.1–2.0) 1.0 (0.8–1.2)
  χ22 32.5* 9.1* 6.1* 8.8* 13.3* 28.0* 1.7
VI. Family Income2
 Low 0.7 (0.4–1.2) 1.0 (0.7–1.3) 0.7*(0.6–0.9) 1.2 (0.9–1.6) 1.0 (0.8–1.2) 1.4 (0.9–2.1) 1.2 (1.0–1.5)
 Low average 0.6*(0.4–1.0) 1.0 (0.8–1.3) 0.9 (0.7–1.1) 1.2 (0.9–1.6) 0.9 (0.7–1.2) 1.4 (1.0–2.0) 1.1 (0.9–1.3)
 High average 0.7*(0.5–1.0) 1.0 (0.8–1.2) 1.0 (0.8–1.3) 1.2 (0.9–1.5) 1.0 (0.8–1.3) 1.4*(1.0–1.8) 1.0 (0.9–1.1)
 High 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 --
  χ23 6.4 0.2 9.4* 2.7 1.7 7.3 3.5
VII. County Urbanicity3
 Central City (CC) 2M+ 0.6*(0.4–0.8) 1.0 (0.8–1.3) 0.7*(0.6–0.9) 1.0 (0.8–1.3) 1.6*(1.3–2.0) 2.0*(1.4–2.8) 1.2*(1.1–1.4)
 Central City (CC) <2M 0.6*(0.4–1.0) 1.1 (1.0–1.4) 0.7*(0.6–0.9) 1.1 (0.9–1.3) 1.6*(1.4–1.8) 1.6*(1.2–2.2) 1.3*(1.1–1.4)
 Suburbs of CC 2M+ 0.6*(0.4–0.8) 1.1 (0.8–1.5) 0.7*(0.6–0.9) 1.3*(1.1–1.6) 1.6*(1.3–1.9) 1.7*(1.3–2.3) 1.2*(1.0–1.5)
 Suburbs of CC <2M 0.5*(0.3–0.8) 1.3*(1.1–1.6) 0.6*(0.5–0.8) 1.4*(1.1–1.7) 1.6*(1.4–1.9) 2.1*(1.5–2.9) 1.2* (1.0–1.4)
 Adjacent Area 0.6*(0.4–0.8) 1.1 (1.0–1.4) 0.7*(0.6–0.8) 1.2*(1.0–1.5) 1.6*(1.2–2.0) 1.7*(1.3–2.1) 1.1 (1.0–1.3)
 Rural Area 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 -- 1.0 --
  χ25 19.6* 9.0 40.2* 12.6* 74.4* 41.6* 23.0*
*

Significant at the .05 level, two-sided test.

1

Part II respondents in the age range 18–44.

2

Family income is defined in relation to the official federal poverty line for families of the size and composition of the respondent’s family.18 Low income is defined as less than or equal to 1.5 times the poverty line, low-average as 1.5+ to 3 times the poverty line, high-average as 3+ to 6 times the poverty line, and high as greater than 6 times the poverty line.

3

Coded according to the 2000 Census definitions.19 Central Cities and Suburbs are defined by the Census Bureau for each consolidated Metropolitan Statistical Area and Metropolitan Statistical Area in the US. Adjacent Areas are defined as all area beyond the outer boundary of the suburban belt, but within fifty miles of the central business district of a Central City. Rural Areas include all territory more than fifty miles from the central business district of a Central City.