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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: J Adolesc Health. 2013 Aug 27;53(6):756–762. doi: 10.1016/j.jadohealth.2013.07.002

Table 2.

Unadjusted Odds of HPV Vaccine Initiation (n=2,168)

HPV vaccine initiation (%) Unadjusted OR p value
Total Sample 28.4
Race/ethnicity <0.001
 White 33.1 Reference -
 Hispanic, US-born 24.2 0.65 (0.44–0.95) 0.028
 Hispanic, foreign- born 16.2 0.39 (0.23–0.68) 0.001
 African-American 18.2 0.45 (0.33–0.62) <0.001
Age (years) 0.001
 15–18 34.7 Reference -
 19–24 24.6 0.62 (0.46–0.82) 0.001
Religion 0.200
 Protestant 27.0 Reference -
 Catholic 31.0 1.22 (0.90–1.65) 0.197
 Other religion 21.1 0.72 (0.45–1.17) 0.181
 None 30.4 1.18 (0.85–1.65) 0.319
Parent education levela <0.001
 Less than HS 12.0 Reference -
 HS diploma 24.3 2.35 (1.40–3.94) 0.002
 At least some college 32.0 3.45 (1.98–6.00) <0.001
Household income (% of poverty level)b 0.150
 <100 24.8 Reference -
 100–199 29.0 1.24 (0.92–1.67) 0.152
 200+ 30.5 1.33 (0.98–1.81) 0.070
Place of residencec 0.426
 Urban 26.4 Reference -
 Suburban 28.0 1.08 (0.82–1.43) 0.569
 Rural 33.5 1.40 (0.75–2.65) 0.286
Lifetime male sexual partners 0.532
 None 28.2 Reference -
 One to three 30.4 1.11 (0.82–1.50) 0.491
 More than three 26.3 0.91 (0.61–1.36) 0.633
Insurance status <0.001
 No insuranced 10.2 Reference -
 Public insurance 26.1 3.12 (1.98–4.90) <0.001
 Private insurance 35.7 4.91 (3.03–7.95) <0.001
Has a usual source of healthcare <0.001
 No 12.1 Reference -
 Yes 32.0 3.43 (2.08–5.65) <0.001

Weighted to reflect the US female household population.

HPV= human papillomavirus; HS = high school; OR = odds ratio

a

Participants who had no mother or father were considered to have a mother or father with less than HS education, respectively. Participants who did not know their mother or father’s education were considered to have a mother or father with at least some college education, respectively.

b

Poverty threshold based on 2008–2010 level defined by the US Census Bureau, which takes into account total household income and number.

c

In the NSFG, place of residence is divided into three groups consistent with US Office of Management and Budget definitions: Metropolitan Statistical Area (MSA)- central city, MSA-other, and non-MSA. These roughly correspond to urban, suburban, and rural settings.

d

Participants with only single service plans were considered to have no insurance.