Examining attachment, cortisol secretion, and cognitive neurodevelopment in preschoolers and its predictive value for telomere length at age seven.

According to Salimetrics’ assay protocol 1 “the correlation between saliva and serum was highly significant, r (47) = 0.91, p < 0.0001” (p. 16), indicating that “salivary cortisol levels reliably estimate serum cortisol levels” (p. 3).

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We also included a term for two-way interactions (attachment × income; and attachment × time) but this term did not reach statistical significance and therefore it was dropped.

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