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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Soc Sci Med. 2012 Mar 13;74(10):1584–1590. doi: 10.1016/j.socscimed.2012.02.012

Table 1.

Descriptive statistics for all variables used in the analysis (n = 1655).

APOE-E4 genotype
No YES P.
Baseline cognitive function .39 .33 <.138
Follow-up cognitive function −.01 −.24 <.0001
Change in cognitive function −.40 −.58 <.0001
Age (baseline) 74.71 73.38 <.0001
Sex (male) .38 .40 <.419
Black .48 .58 <.001
Education (baseline) 12.74 12.72 <.899
Duration of residence 32.61 32.14 <.633
Follow-up time 9.11 9.01 <.623
Neighborhood disorder −.02 .02 <.001
Neighborhood disadvantage −.07 .12 <.001

Note: Data come from the Chicago Health and Aging Project. Cell entries represent unweighted descriptive statistics (means for continuous variables and proportions for categorical variables). Neighborhood-level means and standard deviations are based on observations nested within 20 census tracts. There was anaverage of 103.2 respondents per neighborhood (SD = 44.9) with a minimum of 22 and a maximum of 206.