Cancer screening practices of cancer survivors: Population-based, longitudinal study

Article Figures & Data

Table 1

Characteristics of cancer cohorts

	COHORT^*
CHARACTERISTIC	BREAST CANCER	CRC	ENDOMETRIAL CANCER	HL
No. of men	None	1833	None	1134
No. of women	11 219	2515	3473	937
Calendar years of initial cancer diagnosis	1998 to 1999	1996 to 1999	1996 to 2000	1992 to 2000
Mean (SD) age, y	60.1 (13.7)	62.4 (11.0)	63.0 (11.4)	35.4 (17.1)

CRC—colorectal cancer, HL—Hodgkin lymphoma.
↵* Complete descriptions of breast, endometrial, and HL cancer cohorts are published elsewhere.^7–9

Table 2

Comparison of cancer screening among cancer survivors and controls: Proportion never screened during the 4-year study period.

	SCREENING MANEUVERS
CANCER SURVIVORS AND CONTROLS	BREAST CANCER SCREENING^*	CRC SCREENING^†	CERVICAL CANCER SCREENING^‡	PERIODIC HEALTH EXAMINATION
Breast cancer	NA
• Cases, N		6530	726	11 219
• Controls, N		32 517	34 228	56 014
• Never screened
- Cases, n (%)		4262 (65.3)	2673 (39.7)	3770 (33.6)
- Controls, n (%)		22 025 (67.7)	16 639 (48.6)	21 381 (38.2)
• OR (95% CI)		1.12^§ (1.06–1.18)	1.48^§ (1.40–1.56)	1.23^§ (1.18–1.28)
CRC		NA
• Cases, N	1489		1071	4348
• Controls, N	7441		5527	21 740
• Never screened
- Cases, n (%)	691 (46.4)		574 (53.6)	2028 (46.6)
- Controls, n (%)	3123 (42.0)		2883 (52.2)	8244 (37.9)
• OR (95% CI)	0.83^\|\| (0.74–0.93)		0.94 (0.82–1.08)	0.69^§ (0.65–0.74)
Endometrial cancer			NA
• Cases, N	2713	2452		3473
• Controls, N	13 993	12 281		17 357
• Never screened
- Cases, n (%)	872 (32.1)	1608 (65.6)		1358 (39.1)
- Controls, n (%)	5900 (42.2)	8447 (68.8)		6699 (38.6)
• OR (95% CI)	1.60^§ (1.46–1.75)	1.16^\|\| (1.06–1.27)		0.98 (0.91–1.06)
HL
• Cases, N	151	362	605	2071
• Controls, N	762	1835	3025	10 229
• Never screened
- Cases, n (%)	66 (43.7)	279 (77.1)	196 (32.4)	902 (43.6)
- Controls, n (%)	307 (40.3)	1306 (71.2)	968 (32.0)	4195 (41.0)
• OR (95% CI)	0.86 (0.60–1.25)	0.73^¶ (0.56–0.96)	0.98 (0.80–1.19)	0.89^¶ (0.81–0.99)