Table 2.

Results of rank-based regression models of alpha diversity of maternal gut microbiota samples at the time of delivery

	Shannon		PD		Observed species
	β (95% CI)	p value	β (95% CI)	p value	β (95% CI)	p value
Intercept	5.82 (5.01, 6.62)	<0.01	28.09 (21.03, 35.15)	<0.01	353.41 (262.22, 444.6)	<0.01
Maternal OW/OB	−0.19 (−0.38, −0.01)	0.04	−1.74 (−3.36, −0.12)	0.04	−19.85 (−40.52, 0.83)	0.06
Maternal age	0.02 (−0.01, 0.04)	0.14	0.09 (−0.12, 0.29)	0.40	1.79 (−0.82, 4.41)	0.18
Norwegian	−0.27 (−0.53, −0.01)	0.04	−1.45 (−3.73, 0.82)	0.21	−32.73 (−61.78, −3.69)	0.03
Education	−0.11 (−0.27, 0.05)	0.20	−0.33 (−1.74, 1.07)	0.64	−1.22 (−19.16, 16.72)	0.89
Parity: >1 prior child	−0.1 (−0.37, 0.17)	0.48	−0.38 (−2.78, 2.02)	0.76	−10.59 (−41.26, 20.08)	0.50
Parity: 1 prior child	−0.15 (−0.34, 0.05)	0.14	−1.46 (−3.18, 0.26)	0.10	−24.25 (−46.19, −2.31)	0.03
Twins	−0.18 (−0.53, 0.16)	0.31	−1.54 (−4.59, 1.5)	0.32	−16.01 (−54.94, 22.91)	0.42
Maternal smoking	−0.07 (−0.17, 0.02)	0.15	−0.54 (−1.41, 0.32)	0.22	−6.08 (−17.14, 4.98)	0.28

β indicates the parameter estimate and 95% CI is the 95% confidence interval