Table 1. - Prevalence of PTSD and scores for symptoms of trait and state anxiety according to sociodemographic, behavioral and obstetric variables of pregnant women undergoing prenatal care in the CRSMRP-MATER clinic. Ribeirão Preto, SP, Brazil, 2013.

Variables	n	%	PTSD*	Trait anxiety Score	State anxiety Score
			n	%
Age group (complete years)
	15-19	78	21.8	15	19.2	41.6	43.6
	20-29	186	52.0	33	17.7	39.0	41.7
	30-39	88	24.6	13	14.8	37.4	43.2
	40-49	6	1.6	0	0.0	34.0	41.5
Self-declared skin color
	Non-white	135	37.7	44	32.6	40.0	43.4
	White	223	62.3	17	7.6	37.8	40.9
Formal Education (years)
	1-8	121	33.8	26	21.5	42.0	44.9
	9-11	196	54.7	33	16.8	38.2	41.1
	12 or more	40	11.2	2	5.0	34.8	41.5
	Does not know	1	0.3	0	0.0	41.0	46.0
Religion
	Yes	284	79.3	52	18.3	38.8	42.3
	No	74	20.7	9	12.2	40.2	43.0
Marital status
	Cohabiting	288	80.4	49	17.0	38.7	42.0
	Has a partner, not cohabiting	45	12.6	3	6.7	39.5	42.7
	Had a partner during pregnancy, not anymore	25	7.0	9	36.0	42.8	47.2
Paid occupation
	Yes	153	42.7	24	15.7	38.7	42.4
	No	205	57.3	37	18.0	39.4	42.5
Monthly family income† (in monthly minimum wages)
	One or less	44	12.3	12	27.3	41.0	43.1
	Two-three	199	55.6	26	13.0	38.6	42.1
	Four or more	54	15.1	9	16.7	36.0	41.9
	Does not know	61	17.0	14	22.9	41.7	43.4
Habitual smoking
	Yes	24	6.7	2	8.3	39.4	43.4
	No	334	93.3	59	17.7	39.1	42.4
Alcohol consumption
	Yes	42	11.7	9	21.4	41.7	44.9
	No	316	88.3	52	16.4	38.8	42.1
Illicit drug use
	Yes	3	0.8	0	0.0	43.0	48.0
	No	355	99.2	61	17.2	39.1	42.4
Number of pregnancies
	Primigravida	143	39.9	21	14.7	39.0	41.6
	Multigravida	215	60.1	40	18.6	39.2	43.0
Parity
	Nullipara	158	44.2	22	13.9	38.9	41.7
	Primipara	110	30.7	22	20.0	39.2	43.2
	Multipara	90	25.1	17	18.9	39.5	42.9
Living children
	Yes	198	55.3	39	19.7	39.4	43.2
	No	160	44.7	22	13.7	38.8	41.6
Planned pregnancy
	Yes	134	37.4	27	20.1	38.3	40.6
	No	224	62.6	34	15.2	39.6	43.6
IPV‡ during pregnancy
	Yes	63	17.6	24	38.1	48.0	48.4
	No	295	82.4	37	12.5	37.2	41.2
Total	358	100	61	-	-	-

* Posttraumatic stress disorder.

† The reference monthly minimum wage for 2012 was BRL 622 and, for 2013, it was BRL 678.

‡ Intimate Partner Violence