Table 2.

Trends in HPV vaccine initiation among girls ages 11–17 by subgroup, 2008–2010 North Carolina CHAMP surveys

200820092010
% (95% CI)% (95% CI)% (95% CI)P
Daughter characteristics
Age, y
 11–1224 (16–34)22 (13–36)28 (18–42)0.518
 13–1533 (26–41)40 (31–49)46 (37–55)0.039
 16–1745 (36–54)59 (49–69)57 (45–68)0.104
Race/ethnicity
 Non-Hispanic white35 (29–41)42 (35–49)43 (36–50)0.084
 Non-Hispanic black35 (24–48)48 (33–63)40 (27–55)0.601
 Other30 (17–47)30 (18–45)54 (36–72)0.048
School type
 Public35 (30–41)43 (37–50)46 (40–53)0.013
 Private/home schooled26 (16–38)28 (16–43)22 (10–39)0.693
Healthcare coverage
 No insurance18 (6–43)51 (28–73)41 (19–66)0.182
 Public insurance37 (27–50)48 (35–61)50 (37–62)0.191
 Private insurance34 (29–40)37 (31–44)42 (35–50)0.094
 Not reported37 (17–64)40 (13–74)38 (9–78)0.979
Regular healthcare provider
 No/do not know19 (11–30)59 (46–70)34 (21–49)0.174
 Yes37 (31–43)36 (30–43)46 (39–53)0.048
Preventive check-up in last 12 mo
 No/do not know11 (6–19)24 (14–39)41 (27–56)0.001
 Yes39 (34–45)45 (39–52)44 (38–51)0.269
Parent characteristics
Age, y
 ≤3931 (22–42)41 (30–53)47 (35–61)0.054
 40–4934 (27–42)40 (32–49)42 (34–51)0.165
 ≥5038 (29–48)43 (33–55)44 (32–56)0.506
Sex
 Female34 (29–39)40 (33–46)43 (37–50)0.035
 Male37 (25–49)47 (33–62)51 (34–67)0.159
Marital status
 Married/member of unmarried couple33 (27–39)39 (32–46)45 (38–52)0.008
 Other (divorced, widowed, separated, never married)40 (30–50)48 (36–60)40 (29–53)0.973
Employment status
 Employed for wages/self-employed38 (32–44)40 (33–48)47 (40–55)0.053
 Other (unemployed, homemaker, student, retired, unable to work)27 (18–37)43 (32–54)37 (27–48)0.167
Flu vaccine in past y
 No/do not know27 (22–33)37 (30–45)40 (33–48)0.009
 Yes47 (38–56)50 (40–61)51 (41–61)0.532
Household characteristics
Annual household income
 <$50,00034 (26–43)42 (33–52)38 (29–49)0.541
 ≥$50,00034 (27–41)41 (33–49)49 (40–57)0.007
 Not reported37 (21–58)36 (17–61)37 (20–58)0.982
Highest education level in household
 High school or less38 (26–51)42 (29–56)40 (27–55)0.809
 Some college or more33 (28–39)41 (34–48)45 (38–52)0.012
Urbanicity
 Rural22 (16–29)39 (27–53)41 (28–55)0.011
 Urban39 (33–46)42 (35–49)45 (28–52)0.256

NOTE: P values are from logistic regression. All analyses used weighted data to account for complex survey design.