Table 3: Impact of MDD outside pregnancy and PPMD in the “MDD group” sleep disturbances.

	Nocturnal awakening in first trimester	Early morning awakening in second trimester	Pain during sleep in second trimester	Morning sleepiness in second trimester
Age	Odds ratio (95% IC)^a,b 1.24 (1.09-1.41)^*	Odds ratio (95% IC)^a,b 1.05 (0.91-1.20)	Odds ratio (95% IC)^a,b 1.02 (0.90-1.16)	Odds ratio (95% IC)^a,b 1.05 (0.93-1.20)
Number of gestations	0.52 (0.28-0.94)^*	0.95 (0.59-1.52)	0.98 (0.64-1.51)	1.13 (0.74-1.71)
Coffee consumption	1.22 (0.41-3.60)	0.56 (0.17-1.89)	0.79 (0.27-2.31)	1.00 (0.34-2.98)
Tobacco consumption	0.60 (0.13-2.67)	2.77 (0.79-9.64)	1.70 (0.52-5.48)	1.67 (0.51-5.48)
BMI before pregnancy	0.93 (0.79-1.10)	1.11 (0.98-1.26)	1.10 (0.98-1.24)	1.00 (0.87-1.15)
Weight gain in pregnancy	0.99 (0.89-1.10)	1.06 (0.94-1.19)	1.05 (0.94-1.16)	1.05 (0.94-1.17)
MDD outside postpartum	1.47 (0.23-9.21)	1.18 (0.11-12.1)	0.90 (0.10-8.28)	2.79 (0.50-15.6)
PPMD	5.15 (1.12-23.8)^*	5.64 (1.22-26.1)^*	5.63 (1.38-22.9)^*	4.61 (1.15-18.5)^*

BMI: Body Mass Index, MDD: Mood Depressive Disorder, PPMD: Postpartum Major Depression

ᵃAn Odds ratio equal to 1 indicates the reference group. Data in bold are significant. For each Odds ratio, the reference group is the group of women who do not present studying sleep disturbance

^bOdds ratio calculated by logistic regression for each variable.

^**P ≤ 0.01, ^*P < 0.05