Table 3.

Final model of multivariate analysis of factors associated with self-reported perineal trauma (n = 1196)

Factor	ORna	ORa	95% CIca
Delivery assisted by traditional midwife	0.38	0.41	0.32–0.54
Primipara	2.31	2.01	1.5–2.68

ORna Unadjusted odds ratio, ORa Adjusted odds ratio, 95% CIca Cluster adjusted 95% confidence intervals of ORa