. Author manuscript; available in PMC: 2018 Nov 24.

Published in final edited form as: J Perinatol. 2018 May 24;38(8):973–981. doi: 10.1038/s41372-018-0128-5

Table 2.

Multivariable beta estimates for association between cortisol fold increase and gestational age at delivery

	White (n=324)			Hispanic (n=483)			Asian (n=97)			Black (n=21)			Other (n=66)
	n	β estimate	95% CI	n	β estimate	95% CI	n	β estimate	95% CI	n	β estimate	95% CI	n	β estimate	95% CI
<32 weeks	65	0.14	0.01, 0.27	100	0.06	−0.04, 0.15	15	−0.13	−0.41, 0.15	5	0.48	−0.04, 1.00	11	−0.04	−0.32, 0.24
32-36 weeks	93	0.02	−0.09, 0.14	142	0.04	−0.04, 0.13	36	−0.05	−0.28, 0.18	9	0.03	−0.46, 0.52	20	0.13	−0.11, 0.36
37-38 weeks	41	−0.10	−0.25, 0.05	87	0.09	−0.01, 0.19	23	−0.04	−0.28, 0.21	2	0.58	−0.07, 1.23	12	−0.03	−0.30, 0.25
> 38 weeks	125	reference		154	reference		23	reference		5	reference		23	reference

Model adjusted for race/ethnicity, maternal weight, medi-Cal recipient, and sex of infant. Sample size reflective of complete case analysis.