Table 2.

Crude and adjusted Determinants of IgA and IgG levels between women: OC users

		IgA		IgG
	N*	Percent Change (95%CI)	Adjusted Percent Change† (95%CI)	Percent Change (95%CI)	Adjusted Percent Change† (95%CI)
Age (years)		1.06 (1.00–1.11) §	1.05 (1.00–1.10) §	1.05 (0.99–1.13) §	1.04 (0.98–1.10) §
Lifetime pregnancy
0/1	45	1	1	1	1
2/3	92	1.17 (0.83–1.66)	1.10 (0.79–1.52)	1.38 (0.92–2.07)	1.47 (1.02–2.12)
4–6	51	1.29 (0.88–1.90)	1.25 (0.89–1.77)	1.27 (0.81–1.99)	1.31 (0.89–1.91)
Years since 1st Pregnancy
0–11	73	1		1
12+	109	1.39 (1.05–1.83)		1.35 (0.97–1.88)
Days since last sex
<= 2 days	79	1		1
3–10 days	64	1.20 (0.98–1.46)		1.28 (0.98–1.68)
11+ days	45	1.24 (0.95–1.62)		1.12 (0.79–1.59)
IUD Use
Yes	0	NA	NA	NA	NA
No	188
HPV & Cytology
Negative	122	1		1
Abnormal cytology	23	0.82 (0.50–1.37)		1.20 (0.66–2.21)
HPV+ only	22	0.88 (0.57–1.36)		1.20 (0.71–2.03)
HPV+ & abn. cyto	17	0.76 (0.46–1.24)		1.04 (0.58–1.87)
Sick in past 7 days
No	135	1	1	1	1
Yes	53	0.89 (0.73–1.08)	0.85 (0.71–1.00)	0.69 (0.53–0.90)	0.67 (0.53–0.84)
Ectopy
External OS	45	1	1	1	1
Tx zone in canal	66	1.29 (0.91–1.85)	1.38 (1.01–1.90)	1.72 (1.13–2.60)	1.86 (1.30–2.65)
Moderate/extensive	77	1.20 (0.85–1.69)	1.51 (1.04–2.18)	1.15 (0.77–1.72)	1.27 (0.89–1.83)
Blood in sample
Absent	22	1	1	1	1
Trace	104	1.39 (1.06–1.81)	1.32 (1.00–1.89)	1.82 (1.25–2.65)	1.86 (1.35–2.58)
Visible	62	2.15 (1.62–2.85)	1.35 (0.97–1.88)	2.57 (1.71–3.85)	2.25 (1.55–3.28)
Specimen Weight
≤0.12	135	1	0.34 (0.23–0.52)§	1	0.19 (0.11–0.32) §
>0.12	53	0.74 (0.59–0.91)		0.55 (0.42–0.72)
Visit
Visit 1	62	1	1	1	1
Visit 2	64	0.69 (0.56–0.81)	0.72 (0.61–0.85)	0.68 (0.52–0.89)	0.68 (0.53–0.86)
Visit 3	62	0.68 (0.57–0.81)	0.70 (0.58–0.84)	0.76 (0.58–0.98)	0.73 (0.57–0.94)

^*Numbers over the 3 visits;

^†Adjusted for the other significant variables in the model;

^§Entered as a continuous variable in the multivariate model.