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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: J Allergy Clin Immunol. 2011 Aug 6;128(5):970–976. doi: 10.1016/j.jaci.2011.06.040

Figure 2.

Figure 2

Top figure: Interaction of socioeconomic status (SES: family savings) by shift-and-persist strategies predicting asthma impairment at 6 month follow-up, controlling for time 1 values. Asthma impairment reflects school absences and rescue inhaler use. Estimated asthma impairment values are plotted at ±1 SD of SES. Bottom panels: individual data points for low and high SES patients by median split. To obtain adjusted values for each participant, asthma impairment was regressed onto covariates, and residualized scores were plotted by shift-and-persist values. Because these are standardized residuals, values can be less than 0.