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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Metabolism. 2010 Oct 30;60(7):982–986. doi: 10.1016/j.metabol.2010.09.008

Table 3.

Inflammatory markers at three-years postpartum, by average daily sleep duration from 6 months to 1 year postpartum among 479 participants.

Average Daily Sleep Duration (hours/day), 6 Months to 1 Year Postpartum P-value
≤ 5 hours > 5 hours
Effect Estimate (95% Confidence Interval)
C-reactive protein, mg/dL *
Model 1. Unadjusted 0.12 (−0.10, 0.88) 0.00 (ref) 0.60
Model 2. Multivariable Adjusted† 0.15 (−0.08, 0.52) 0.00 (ref) 0.39
IL6, pg/mL *
Model 1. Unadjusted 0.29 (−0.02, 0.68) 0.00 (ref) 0.12
Model 2. Multivariable Adjusted† 0.25 (0.14, 0.43) 0.00 (ref) 0.01
*

Effect estimates are from multivariable median regression. Estimates reflect the difference from the median of each outcome associated with sleep duration ≤ 5 hours/day.

†

Model 2 is adjusted for maternal age, race/ethnicity, education, parity, pre-pregnancy BMI, excessive gestational weight gain, and gestational age at delivery.