Table 1.

Characteristics for women with at least one traumatic event measured by the TEQ (N = 2,920)

Characteristics	All participants (N = 2,920)		No PTSD (PCL-C < 26) (N = 1,699)		PTSD (PCL-C ≥ 26) (N = 1,221)		P-value
	n	%	n	%	n	%
Maternal age (years)1	28.3 ± 6.3		28.4 ± 6.2		28.1 ± 6.4		0.32
Maternal age (years)
18–19	154	5.3	71	4.2	83	6.8	0.02
20–29	1603	54.9	942	55.4	661	54.1
30–34	624	21.4	370	21.8	254	20.8
≥35	539	18.5	316	18.6	223	18.3
Education (years)
≤6	127	4.3	65	3.8	62	5.1	0.27
7–12	1570	53.8	918	54.0	652	53.4
>12	1216	41.6	711	41.8	505	41.4
Mestizo Ethnicity	2194	75.1	1343	79.0	851	69.7	<0.0001
Married/living with partner	2350	80.5	1386	81.6	964	79.0	0.10
Employed during pregnancy	1341	45.9	802	47.2	539	44.1	0.10
Access to basic foods
Hard	1501	51.4	789	46.4	712	58.3	<0.0001
Not very hard	1418	48.6	909	53.5	509	41.7
Planned pregnancy	1212	41.5	742	43.7	470	38.5	0.006
Nulliparous	1407	48.2	863	50.8	544	44.6	0.0008
Gestational age (weeks) at interview1	9.2 ± 3.5		9.3 ± 3.4		9.2 ± 3.5		0.45
Early pregnancy body mass index (kg/m2)
<18.5	53	1.8	32	1.88	21	1.7	0.31
18.5–24.9	1370	46.9	783	46.09	587	48.1
25–29.9	1082	37.1	622	36.61	460	37.7
≥30	380	13.0	237	13.95	143	11.7
Number of traumatic events2
1–3 traumatic events	2045	70.0	1353	79.64	692	56.67	<0.0001
4–6 traumatic events	745	25.5	324	19.07	421	34.48
≥7 traumatic events	130	4.4	22	1.29	108	8.85

Abbreviations: TEQ, traumatic event questionnaire; PTSD, Post-Traumatic Stress Disorder; PCL-C, PTSD CheckList – Civilian Version;

¹mean ± SD (standard deviation)

²409 women without any traumatic event were excluded from this analysis