Maternal melatonin levels and temporal dietary intake: results from MY-CARE cohort study

Table 3 Hierarchical linear regression models predicting maternal melatonin parameters from temporal energy intake (n = 70)

	Melatonin parameters during the second trimester
	AUC_I		AUC_G
	β	p-value	β	p-value
Step 1:
Maternal age	0.07	0.626	0.37	0.006**
Pre-pregnancy BMI	-0.21	0.140	-0.23	0.076
Gestational age	-0.08	0.535	-0.15	0.261
Fetal sex	0.24	0.092	-0.01	0.946
Sleep time	-0.06	0.723	-0.29	0.043*
ΔR² for step 1	0.173	0.100	0.219	0.021*
Step 2:
Average calories (kcal/day)	-0.14	0.317	0.23	0.076
%TDEI 12:00–15:00 h	-0.32	0.034*
%TDEI 19:00–06:00 h			0.26	0.042*
ΔR² for step 2	0.084	0.088	0.097	0.036*
F_model	2.233	0.049*	3.305	0.006**

Abbreviation: AUC_G = area under the curve with respect to ground; AUC_I = area under the curve with respect to increase; β = standard coefficients; BMI = body mass index; TDEI = total daily energy intake. **p < 0.01; *p < 0.05

ISSN: 1471-2393