Table 2. Difference in DNA methylation levels between neonates born to anxious versus non-anxious mothers, stratified by birth weight.

CpG unit	Lower birth weight (⩽3530 g)			Higher birth weight (>3530 g)
	Δ	95% CI	P	Δ	95% CI	P
IGF2 DMR0
3	−1.66%	−3.91 to 0.59%	0.15	−1.96%	−4.10 to 0.18%	0.072
4	0.30%	−2.23 to 2.84%	0.81	0.40%	−2.89 to 3.70%	0.81
6.7	−0.88%	−2.78 to 1.01%	0.36	0.79%	−0.86 to 2.14%	0.34
Average	−1.00%	−2.71 to 0.70%	0.25	−0.09%	−2.04 to 1.85%	0.92
IGF2/H19 ICR
1	−4.33%	−6.83 to −1.84%	0.0007	−0.70%	−2.83 to 1.44%	0.52
5.6.7.8	−3.40%	−5.71 to −1.10%	0.0040	−0.45%	−2.63 to 1.73%	0.68
11.12	−3.82%	−6.10 to −1.55%	0.0011	−0.47%	−2.53 to 1.63%	0.66
13.14	−4.57%	−6.99 to −2.14%	0.0003	−0.25%	−2.31 to 1.80%	0.81
21.22	−3.76%	−6.49 to −1.04%	0.0071	0.27%	−2.35 to 2.88%	0.84
23	−2.21%	−5.19 to 0.78%	0.15	−1.49%	−4.47 to 1.49%	0.33
Average	−3.89%	−6.06 to −1.72%	0.0005	−0.59%	−2.54 to 1.37%	0.55

Abbreviations: DMR, differentially methylated region; ICR, imprinting control region.