Table 5.

Predictors of ectopic pregnancy: results of multivariate analysis

Parameter	Model 1 OR (95% CI)	Model 2 OR (95% CI)
Chlamydia antibodies
Yes	4.50 (2.33 – 8.83)	2.82 (1.33 – 5.95)
No	1.00	1.00
Education
Primary		6.32 (2.31 – 17.31)
Secondary		0.16 (0.58 – 0.43)
Tertiary		1.00
Parity
0		1.00
≥ 1		1.52 (0.68 – 3.34)
Age at sexual debut
13 – 17		2.81 (1.02 – 7.75.)
≥ 18		1.00
No. of lifetime sexual partners
1 or 2		1.00
≥ 3		5.71 (2.39 – 13.65)
Condom use
Never		2.25 (0.96 – 5.29)
Occasionally or always		1.00
OCP
Never		2.25 (0.96 – 5.29)
Occasionally or always		1.00
Previous induced abortion
Yes		2.67 (1.16 – 6.13)
No		1.00
Previous ectopic gestation
Yes		0.29 (0.06 – 1.49)
No		1.00
Vaginal discharge
Yes	2.12 (1.20 – 3.76)	5.0 (2.03 – 12.31)
No	1.00	1.00
Lower abdominal pain
Yes	1.64 (0.78 – 3.44)	2.53 (0.80 – 7.99)
No	1.00	1.00
Dysmenorrhoea
Yes	1.65 (0.93 – 2.91)	2.34 (1.26 – 4.36)
No	1.00	1.00
Dyspareunia
Yes	1.06 (0.53 – 2.12)	2.56 (1.26 – 5.20)
No	1.00	1.00

OCP = Oral contraceptive pill