Analysis of Three Measures of Cognitive Functioning in US 21 to 59 Year-Olds, NHANES III (1988–1994): Unstandardized Coefficients from Weighted OLS Regression.

Abbreviations: SDL, Serial digit learning test; SRT, Simple reaction time test; SDS, Symbol digit substitution test; Neg/Neg, H. pylori negative and CagA negative; Pos/Neg, H. pylori positive and CagA positive; Pos/Pos, H. pylori positive and CagA positive; PIR, Poverty-to-income ratio; H. pylori, Helicobacter pylori; CI, Confidence intervals. aPositive defined as Serum toxoplasmosis antibody > = 7 IU/mL. bDefined as total family income divided by poverty threshold, as determined by the US Census Bureau for the year of the interview. * P <.05, ** P <.01, *** P <.001. Analysis of Three Measures of Cognitive Functioning in US 21 to 59 Year-Olds, NHANES III (1988–1994): Unstandardized Coefficients from Weighted OLS Regression.