Table 1.

Patient characteristics, number and percentage of LECM, and unadjusted RR using Poisson regression

Study variable	Total (n)	LECM (%)	RR	95% CI	Statistical significance
Maternal age					.31
16–19	131	48 (36.6)	1.00
20–29	352	143 (40.6)	1.10	0.85–1.43
30–45	135	62 (45.9)	1.25	0.93–1.67
Have a partner					.47
No	140	61 (43.5)	1.00
Yes	478	192 (40.1)	0.92	0.74–1.14
Family income/month (US dollars)					.62
0–85	189	80 (42.3)	1.00
290–470	210	80 (38.1)	0.90	0.70–1.14
475–2900	212	89 (42.0)	0.99	0.78–1.24
Years of education					.70
<8	285	119 (41.7)	1.00
≥8	333	134 (40.2)	0.96	0.79–1.16
Color					.90
White	295	120 (40.7)	1.00
Other	323	133 (41.2)	1.01	0.83–1.22
Previous miscarriage					.02
No	480	185 (38.5)	1.00
Yes	138	68 (49.3)	1.27	1.04–1.56
Planned pregnancy					.19
No	409	175 (42.3)	1.00
Yes	209	78 (37.3)	0.87	0.71–1.07
Breastfeeding more than 4 months					.06
No	197	70 (35.5)	1.00
Yes	421	183 (43.4)	1.22	0.98–1.52
Wealth score					.81
0	197	82 (41.6)	1.00
1	421	171 (40.6)	0.97	0.79–1.19
Number of pregnancies					.09
1	222	93 (41.9)	1.00
2	197	69 (35.0)	0.83	0.65–1.06
3	199	91 (45.6)	1.09	0.87–1.35
Complications score					.21
No	506	213 (42.1)	1.00
Yes	112	40 (35.7)	0.84	0.64–1.11
Social support score (tertile)					.46
1	212	91 (43.0)	1.00
2	213	80 (37.5)	0.87	0.69–1.10
3	193	82 (42.5)	0.98	0.79–1.24
Resumption of sexual life (month)					.005
First	274	106 (38.7)	1.00
Second	208	75 (36.0)	0.93	0.73–1.18
Third or more	136	72 (52.9)	1.36	1.10–1.70
Perinatal psychiatric disorders groups					.60
No antenatal/postpartum CMD	353	138 (39.1)	1.00
Antenatal CMD	94	42 (44.7)	1.14	0.88–1.48
Postpartum CMD	74	34 (45.6)	1.17	0.89–1.55
Antenatal and postpartum CMD	97	39 (40.2)	1.02	0.78–1.35