Table 2:

Sensitivity of self-report of HPV vaccine compared to documented vaccine record among participating men who have sex with men and transgender women — Seattle, Washington, 2016–2018

		Self-report responsea
	n with documented HPV vaccinationb	Yes	No	Don’t know/no answer	Sensitivity %	95% Confidence Interval
Overall	292	243	15	34	83.2	78.4–87.3
Age group
18–21 years	91	72	7	12	79.1	69.3–86.9
22–26 years	201	171	8	22	85.1	79.3–89.7
Time since first documented HPV vaccine dose
<1 year ago	87	77	3	7	88.5	79.9–94.3
1–2 years ago	94	82	2	10	87.2	78.8–93.2
≥3 years ago	112	84	10	18	75.0	65.9–82.7
Documented number of HPV vaccine doses
1	104	76	12	16	73.1	63.5–81.3
2	73	63	2	8	86.3	76.2–93.2
≥3	115	104	1	10	90.4	83.5–95.1
Documented ≥3 HPV vaccine dosesc	115	80d	8d	27d	69.6d	60.3–77.8d

^aAnswer to the survey question, “Have you ever received any vaccine against human papillomavirus (HPV)?” as reported by the participant

^b≥1 dose of HPV vaccine as documented in either the clinic electronic medical records (EMR) or the Washington State Immunization Information System (WAIIS) or both

^cRestricted to those with ≥3 documented vaccine record doses

^dSelf-report agreement and sensitivity for self-reporting ≥3 doses of HPV vaccine