Associations with perineal trauma during childbirth at home and in health facilities in indigenous municipalities in southern Mexico: a cross-sectional cluster survey

Table 2 Bivariate associations with self-reported perineal trauma

Factor		With trauma		Without trauma		OR	95% CIca
Factor		n	(%)	n	(%)	OR	95% CIca
Ethnicity	Aboriginal	255	(21)	942	(79)	0.28	0.18–0.43
Ethnicity	Mestizo	94	(49)	97	(51)	0.28	0.18–0.43
Age at delivery	14–19 years old	57	(32)	120	(68)	1.48	0.96–2.3
Age at delivery	20–49 years old	310	(24)	967	(76)	1.48	0.96–2.3
Place of delivery	Home	162	(18)	761	(82)	0.34	0.21–0.56
Place of delivery	Health facility	205	(39)	327	(61)	0.34	0.21–0.56
Parity	Primiparae	120	(39)	190	(61)	2.31	1.76–3.03
Parity	Multipara	245	(21)	895	(79)	2.31	1.76–3.03
Position in labour	Upright	138	(17)	662	(83)	0.38	0.24–0.61
Position in labour	Horizontal	224	(35)	410	(65)	0.38	0.24–0.61
Size of baby	Bigger than average	96	(24)	302	(76)	0.92	0.70–1.19
Size of baby	Average or smaller	251	(26)	723	(74)	0.92	0.70–1.19
Birth attendant^a	Traditional midwife	126	(19)	530	(81)	0.38	0.22–0.65
Birth attendant^a	Doctor/nurse	210	(39)	333	(61)	0.38	0.22–0.65

Bold font indicates associations significant at the 5% level
OR Odds ratio, 95% CIca Cluster adjusted 95% confidence intervals
^aThis excludes the few women who were assisted at delivery by a relative or by nobody

ISSN: 1471-2393