Table 2. Factors associated with likelihood of an elective caesarean section delivery in the HAART era.

	1998-2002		2003-2007
	OR (95%CI), p value	AOR (95% CI), p value	OR (95%CI), p value	AOR (95% CI), p value
Region
Italy/Spain	1.00	1.00	1.00	1.00
UK/Netherlands/Belgium	0.38 (0.30-0.49), p<0.001	0.31 (0.21-0.46), p<0.001	0.12 (0.08-0.16), p<0.001	0.07 (0.04-0.12), p<0.001
Germany/Denmark/Sweden	1.73 (1.25-2.39), p<0.001	3.71 (2.15-6.41), p<0.001	0.85 (0.57-1.28), p=0.44	1.49 (0.79-3.06), p=0.20
Antenatal ART type
HAART	1.00	1.00	1.00	1.00
Mono or dual therapy	1.73 (1.34-2.24), p<0.001	1.58 (1.04-2.38), p=0.030	3.45 (2.06-5.79), p<0.001	2.85 (1.22-6.60), p=0.02
None	0.42 (0.29-0.59), p<0.001	N/A	1.46 (0.86-2.47), p=0.16	N/A
Start of antenatal ART
Pre conception	1.00	1.00	1.00	1.00
1st or 2nd trimester	0.88 (0.66-1.18), p=0.41	0.68 (0.46-1.01), p=0.057	0.94 (0.68-1.29), p=0.69	0.77 (0.47-1.25), p=0.29
3rd trimester	0.82 (0.60-1.13), p=0.24	0.70 (0.44-1.12), p=0.14	0.91 (0.64-1.31), p=0.62	0.94 (0.55-1.58), p=0.81
At/after delivery	0.77 (0.51-1.15), p=0.20	0.76 (0.41-1.40), p=0.37	2.04 (1.24-3.35), p=0.005	0.80 (0.32-2.38), p=0.80
Premature delivery
No	1.00	1.00	1.00	1.00
Yes	3.38 (2.65-4.30), p<0.001	8.27 (3.47-19.69), p<0.001	1.55 (1.13-2.12), p<0.001	6.03 (3.36-10.8), p<0.001
CD4 count (cells/mm3)
≥500	1.00	1.00	1.00	1.00
200-499	0.95 (0.64-1.43), p=0.823	1.12 (0.66-1.91) p=0.664	0.80 (0.49-1.30), p=0.376	0.88 (0.45-1.69), p=0.70
<200	1.12 (0.73-1.70), p=0.60	1.00 (0.58-1.73), p=0.99	0.63 (0.39-1.03), p=0.068	0.47 (0.23-0.94), p=0.032
HIV RNA load (copies/ml)
<50	1.00	1.00	1.00	1.00
51-1000	1.62 (1.20-2.18), p=0.002	1.66 (1.15-2.40), p=0.007	1.75 (1.18-2.60), p=0.005	1.51 (0.91-2.51), p=0.11
>1000	1.91 (1.36-2.66), p<0.001	1.63 (1.04-2.55), p=0.03	1.22 (0.78-1.89), p=0.38	0.64 (0.34-1.21), p=0.17