Table 3. Results of multinomial logistic regression models for estimate of factors associated with Caesarean Section in subgroups of women preferring Natural and Cesarean delivery respectively.

	Preference for natural. but cesarean delivery						Preference for cesarean and cesarean delivery
	(664 out of 2162)						(214 out of 312)
	OR		(95% CI)		p		OR		(95% CI)		p
Maternal age (one year increase)	1.06	1.03		1.09		0.00	1.08	1.04		1.12		0.00
Educational level A
- Low	1						1
- Medium-low	0.78	0.41		1.47		0.44	1.08	0.52		2.26		0.83
- Medium-high	0.73	0.39		1.39		0.34	0.91	0.43		1.90		0.80
- High	0.85	0.43		1.71		0.65	0.59	0.25		1.35		0.21
Family social class
- Upper	1						1
- Middle – upper	1.10	0.68		1.77		0.71	0.58	0.33		1.03		0.06
- Middle – lower	0.95	0.67		1.35		0.76	0.75	0.50		1.13		0.17
- Lower	0.81	0.53		1.23		0.32	0.67	0.42		1.06		0.09
Area of residence
- Northern-west	1						1
- Northern-east	0.98	0.62		1.55		0.93	0.74	0.44		1.26		0.27
- Central	1.03	0.65		1.64		0.89	0.76	0.45		1.30		0.32
- Southern	2.29	1.54		3.40		0.00	1.61	1.04		2.50		0.03
- Island	1.65	0.99		2.73		0.05	1.31	0.75		2.31		0.34
Professional who attended the pregnancy
- Public Obstetrician	1						1
- Private Obstetrician	1.00	0.68		1.47		0.99	1.55	0.95		2.54		0.08
Place of delivery (private Vs. public hospital)	1.88	0.96		3.68		0.06	1.68	0.77		3.64		0.19
Antenatal diagnostic
- Not done	1						1
- In a Public facility	0.97	0.63		1.51		0.91	0.62	0.39		0.98		0.04
- In a Private facility	1.35	0.84		2.17		0.22	0.89	0.54		1.48		0.67
Antenatal class attendance	0.75	0.63		0.89		0.00	0.62	0.49		0.77		0.00
Health-related problems during pregnancy
- Diabetes	0.99	0.42		2.34		0.98	0.58	0.19		1.75		0.33
- Hypertension	1.77	1.00		3.15		0.05	1.36	0.71		2.63		0.36
- Pre-term delivery risk	1.24	0.79		1.94		0.35	0.80	0.48		1.36		0.41
- Pre-term abortion risk	1.23	0.81		1.88		0.33	0.89	0.55		1.45		0.64
Hospitalisation during pregnancy	0.81	0.59		1.11		0.38	1.25	0.87		2.67		0.14
Birthweight (normal Vs low) B
≥2,500 grams	1						1
<2,500 grams	0.77	0.43		1.37		0.28	1.52	0.87		2.67		0.14
Pre-term birth	1.72	1.08		2.73		0.02	2.22	1.35		3.65		0.00

OR = Odds Ratio; CI = Confidence Interval.

^AEducational level was categorized as follows: Low (ISCED = 0. 1). Medium-low (ISCED = 2). Medium-upper (ISCED = 3. 4). Upper (ISCED = 5. 6);

^BChildren weighting less than 2 500 grams were classified as low birth weight.