Table 1. Sociodemographic, clinical and obstetric characterization of pregnancies among adolescents and non-adolescents. Uberaba, MG, 2019.

Variable	Adolescents		Non-adolescents		RR	95% CI	p*
	n	%	n	%
White skin color/race	9	7.4	47	38.8	0.862	0.501 - 1.484	0.641
White skin color/race	13	10.7	52	42.9
Cohabiting with a partner	14	11.6	56	46.3	1.125	0.785 - 1.612	0.637
Not cohabiting with a partner	8	6.6	43	35.5
Educational level lower than secondary education	20	16.5	47	38.8	1.876	1.470 - 2.395	<0.001
Educational level higher than secondary educational	2	1.6	50	41.3
Smoker	4	3.3	18	15.0	1.273	0.463 -3.496	0.741
Non-smoker	14	11.7	84	70.0
Alcoholic	2	1.6	20	16.5	0.692	0.168 - 2.850	1.000
Non-alcoholic	13	10.7	86	71.1
Use of illegal drugs	2	1.6	1	0.8	9.000	0.854 - 94.899	0.085
Non-use of illegal drugs	20	16.5	98	80.9
With pathologies	8	6.6	65	53.7	0.554	0.313 - 0.980	0.016
No pathologies	14	11.7	34	28.1
Primiparous	18	14.9	24	19.8	0.240	0.098 - 0.586	<0.001
Multiparous	4	3.3	75	62.0
Normal delivery	17	14.0	50	41.3	1.530	1.135 - 2.063	0.032
Cesarean section	5	4.1	49	40.5
Preterm newborn	2	1.6	10	8.3	0.900	0.212 - 3.822	1.000
Full-term newborn	20	16.5	89	73.6
Low birth weight	0	-	5	4.1	1.053	1.006 - 1.102	0.583
Appropriate weight	22	18.2	94	77.7
Postpartum complications	3	2.5	5	4.1	2.700	0.697 - 10.465	0.158
Without complications	19	15.7	94	77.7
Attended puerperal return visit	7	5.8	35	28.9	0.900	0.462 - 1.754	0.810
Did not attend return visit	15	12.4	64	52.9

*95% CI; Significance level = 5%; Values with statistical significance are highlighted in bold