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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Infant Behav Dev. 2015 Jul 18;40:252–258. doi: 10.1016/j.infbeh.2015.06.005

Table 4.

Multivariable adjusteda regression estimates (95% Confidence Interval) for mean change in infant cortisol per 1 μg/dl increase in maternal cortisol at each point time and all time points combined by breastfeeding status.

Formula-feeding dyads (n = 34) Breastfeeding dyads (n = 20)


Estimate (95% CI) p value Estimate (95% CI) p value
Awakening 0.2 (−0.7,1.2) 0.62 0.3 (−0.4, 0.9) 0.37
30 min after waking −0.5 (−1.2, 0.1) 0.09 0.3 (−0.6, 1.3) 0.41
Bedtime 0.6 (−0.1,1.3) 0.10 1.0 (0.1, 2.0) 0.04
Overall −0.1 (−0.9, 0.7) 0.77 0.8 (−0.1, 1.8) 0.08
a

Adjusted for infant sex, race, age, maternal education, and family income.