Table 4.

Adolescents aged 13–17 years unvaccinated for HPV vaccine with missed opportunities* for initiation of the HPV vaccine series by MSA status – National Immunization Survey–Teen, United States, 2016–2017, n = 15,387.

	Missed Opportunities for ≥1 HPV Vaccine
	n	% (95% CI)
Total U.S. Overall	15,387	80.7 (79.5–81.8)
MSA status
Mostly-urban	5,311	79.3 (77.3–81.3)
Suburban	6,455	82.2 (80.4–83.8)†
Mostly-rural	3,621	78.9 (76.7–81.0)

Abbreviations: HPV = human papillomavirus; MSA = metropolitan statistical area

*A missed opportunity for girls was defined as a health-care encounter occurring on or after her 11th birthday and before her 13th birthday, and on or after March 23, 2007, during which time she received at least one vaccination, but not the first dose of the HPV vaccine series; a missed opportunity for boys was defined as a health-care encounter occurring on or after his 11th birthday and before his 13th birthday, and on or after December 23, 2011, during which time he received at least one vaccination, but not the first dose of the HPV vaccine series.

^†Statistically different compared with adolescents in mostly urban areas (p < .05).