TABLE 3.

Estimated odds ratios of the association of screening attendance with cervical cancer deaths according to histopathology in women of screening age (25–69 years), n = 5709 (including 520 cases and 5189 controls)

	Crude		Corr. 1.3 a		Corr. 1.6 b
	OR	95% CI	OR	95% CI	OR	95% CI
Squamous carcinoma
Not screened	1 (reference)		1 (reference)		1 (reference)
Screened	0.16	0.12–0.21	0.24	0.18–0.32	0.35	0.26–0.46
Adenocarcinoma
Not screened	1 (reference)		1 (reference)		1 (reference)
Screened	0.35	0.23–0.53	0.53	0.35–0.80	0.77	0.50–1.16
Adenosquamous carcinoma
Not screened	1 (reference)		1 (reference)		1 (reference)
Screened	0.27	0.10–0.72	0.41	0.15–1.08	0.59	0.22–1.58
Small‐cell carcinoma
Not screened	1 (reference)		1 (reference)		1 (reference)
Screened	0.34	0.13–0.92	0.51	0.20–1.38	0.77	0.28–2.02
Other
Not screened	1 (reference)		1 (reference)		1 (reference)
Screened	0.12	0.05–0.33	0.18	0.08–0.50	0.26	0.11–0.72

Abbreviations: CI; 95% confidence interval; OR; odds ratio.

^a Corr. 1.3; correction factor for self‐selection bias of 1.3.

^b Corr. 1.6; correction factor for self‐selection bias of 1.6.