Association between Prior Chlamydia trachomatis Infection and Ectopic Pregnancy at a Tertiary Care Hospital in South Western Uganda

Table 4

Factors associated with ectopic pregnancy at multivariate analysis.

Variable	Univariable		Multivariable
	OR (95% CI)	value	aOR (95% CI)	value
Chlamydia IgG antibodies
No	1.0		1.0
Yes	4.4 (1.70–11.48)	0.0019	4.9 (1.15–21.29)	0.0019
Marital status
Single	13.6 (4.05–45.62)	0.0000	12.0 (2.21–65.32)	0.0026
Married	1.0		1.0
Separated	1.8 (0.18–19.70)		0.6 (0.04–8.48)
Parity
1	1.0		1.0
2	39.1 (4.92–310.73)		24.9 (1.47–205.98)
>3	9.4 (0.90–98.96)	0.0000	6.9 (1.47–32.98)	0.3752
Menarche
<12 years	1.0		1.0
12–14 years	1.1 (0.09–13.27)	0.0031	3.4 (0.77–14.82)	0.2796
>14 years	0.1 (0.01–2.41)		1.1 (0.11–11.50)
Coitarche
<19 years	0.6 (0.02–0.34)	0.0000	0.9 (0.37–2.28)	0.8622
>19 years	1.0		1.0
Multiple sexual partners
No	1.0		1.0
Yes	3.8 (1.48–9.82)	0.0051	3.1 (0.18–11.88)	0.4376
Induced abortion
None	1.0		1.0
1–4	9.2 (1.66–51.27)	0.0067	7.0 (0.43–46.68)	0.8681
History of abdominal/pelvic surgery
No	1.0		1.0
Yes	12.6 (4.02–39.71)	0.0001	6.9 (1.47–32.98)	0.0000
History of previous PID
No	1.0		1.0
Yes	104 (24.23–171.5)	0.0000	85 (33.14–169.4)	0.5689