. 2016 May 6;12(6):1615–1622. doi: 10.1080/21645515.2016.1150394

Table 3.

Adjusted and unadjusted HPV vaccination coverage rates by year for females aged 13–17.

Unadjusted rates, % [95% CI]	2009	2010	2011	2012	2013	Pooled^{^1.}	Pooled^{^2.}
HPV initiation
No mandate	45 [42, 49]	49 [46, 51]	52 [49, 55]	54 [51, 57]	57 [55, 60]	51 [49, 54]	51 [49, 54]
Education mandate	46 [40, 53]	49 [44, 55]	51 [45, 56]	54 [50, 59]	56 [51, 60]	51 [46, 56]	51 [46, 56]
School entry mandate	49 [34, 63]	59 [46, 71]	54 [41, 66]	58 [47, 69]	58 [48, 69]	56 [45, 67]	56 [45, 67]
HPV completion
No mandate	29 [26, 32]	34 [31, 37]	36 [33, 39]	36 [34, 38]	38 [36, 40]	35 [32, 37]	35 [32, 37]
Education mandate	29 [23, 35]	34 [29, 40]	35 [29, 40]	36 [31, 41]	37 [33, 42]	34 [30, 39]	34 [30, 39]
School entry mandate	28 [15, 40]	39 [28, 51]	36 [24, 48]	37 [27, 48]	39 [28, 50]	36 [26, 46]	36 [26, 46]
Adjusted rates, % [95% CI]	2009	2010	2011	2012	2013	Pooled^{^1.}	Pooled^{^2.}
HPV initiation
No mandate	46 [44, 48]	49 [47, 51]	53 [51, 55]	55 [52, 57]	58 [56, 60]	52 [51, 53]	52 [51, 53]
Education mandate	45 [41, 50]	49 [45, 52]	51 [47, 54]	54 [50, 58]	55 [51, 59]	51 [48, 53]	51 [49, 53]
School entry mandate	46 [36, 56]	56 [48, 64]	52 [43, 60]	56 [47, 65]	57 [47, 67]	53 [48, 59]	54 [49, 59]
HPV completion
No mandate	29 [28, 31]	34 [32, 36]	37 [35, 39]	36 [34, 38]	39 [37, 41]	35 [34, 36]	35 [34, 36]
Education mandate	28 [25, 32]	34 [30, 38]	34 [31, 37]	36 [32, 39]	37 [33, 40]	34 [31, 37]	34 [31, 36]
School entry mandate	27 [19, 35]	37 [29, 46]	36 [28, 43]	36 [28, 44]	38 [29, 47]	35 [28, 41]	35 [29, 41]

^1.

estimates using pooled data & year dummy variables

^2.

estimates using pooled data & continuous time variable

No statistically significant differences were noted between girls living in states with school-entry, education, or no mandates for any year, in adjusted or unadjusted analyses.

^**

All girls who were aged 13–14 in 2012 and 2013 would have been affected by the school entry mandate laws in DC and VA. HPV vaccine initiation rates in 2012 and 2013 were 41% and 46% respectively, indicating that more than half of parents were opting out.