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. 2015 Jan 14;181(3):171–179. doi: 10.1093/aje/kwu277

Figure 1.

Figure 1.

Overall sizes of the associations between income and factors with a validated interaction, National Health and Nutrition Examination Survey, 1999–2006. The magnitude of association for each variable is shown for A) interactions with gender (rectangle indicates women; X indicates men); B) interactions with age of 1–18 years (rectangle indicates 1–18; X indicates 19–65); C) interactions with age of 45–65 years (rectangle indicates 45–65; X indicates 1–44); and D) interactions with Mexican-American ethnicity (rectangle indicates Mexican American ethnicity; X indicates non–Mexican-American ethnicity). BMD, bone mineral density; Circ., circumference; HDL-C, high-density lipoprotein cholesterol; RBC, red blood cell; SS skinfold, subscapular skinfold thickness; zea., zeaxanthene. Bars, 95% confidence intervals.