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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Psychoneuroendocrinology. 2011 Jun 28;37(2):191–199. doi: 10.1016/j.psyneuen.2011.06.003

Figure 1.

Figure 1

(a) Hair cortisol concentrations declined across the first two years of life. *month 18 < month 12 (p<0.05); **month 24 < months 6, 12, and 18 (p<0.01). (b) Rearing differences in hair cortisol across the first 2 years of life. *PR > MPR=SPR (p<0.05); ** PR=SPR > MPR (p<0.01). Data shown as mean ± SEM.