TABLE 3—
Multivariable Logistic Regression of the Association Between General Health Information Seeking Via the Internet and HPV Vaccine Awareness and HPV Knowledge: National Cancer Institute’s 2007 Health Information National Trends Survey
| Aware of HPV Vaccine (n = 6820) |
Knowledgeable That HPV Is a Cause of Cervical Cancer (n = 4458) |
Knowledgeable That HPV Is Transmitted Through Sexual Contact (n = 4471) |
||||
| OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
| General health information seeking | <.001 | <.001 | <.001 | |||
| Internet seeker (Ref) | 1.00 | 1.00 | 1.00 | |||
| Non–Internet seeker | 0.59 (0.46, 0.75) | 0.79 (0.63, 0.99) | 0.71 (0.57, 0.89) | |||
| Nonseeker | 0.34 (0.27, 0.44) | 0.55 (0.39, 0.76) | 0.46 (0.34, 0.63) | |||
| Household income, $ | <.001 | .57 | .5 | |||
| < 20 000 | 0.67 (0.47, 0.95) | 1.19 (0.75, 1.92) | 1.22 (0.80, 1.86) | |||
| 20 000–34 999 | 0.86 (0.59, 1.24) | 0.85 (0.55, 1.32) | 1.08 (0.73, 1.59) | |||
| 35 000–49 999 (Ref) | 1.00 | 1.00 | 1.00 | |||
| 50 000–74 999 | 1.20 (0.85, 1.71) | 1.20 (0.77, 1.89) | 0.98 (0.69, 1.41) | |||
| ≥ 75 000 | 1.04 (0.76, 1.42) | 1.08 (0.73, 1.59) | 1.30 (0.90, 1.86) | |||
| Did not report | 0.63 (0.45, 0.87) | 0.98 (0.60, 1.59) | 1.07 (0.74, 1.55) | |||
| Education | <.001 | <.001 | <.001 | |||
| < high school | 0.77 (0.54, 1.11) | 0.80 (0.47, 1.38) | 0.70 (0.45, 1.09) | |||
| High school graduate (Ref) | 1.00 | 1.00 | 1.00 | |||
| Some college | 1.31 (1.05, 1.64) | 0.88 (0.63, 1.22) | 1.27 (0.93, 1.73) | |||
| ≥ college degree | 1.44 (1.13, 1.83) | 1.54 (1.10, 2.16) | 1.82 (1.37, 2.42) | |||
| Race/ethnicity | <.001 | <.001 | .11 | |||
| Non-Hispanic White (Ref) | 1.00 | 1.00 | 1.00 | |||
| Non-Hispanic Black | 0.63 (0.47, 0.84) | 0.54 (0.34, 0.85) | 0.65 (0.45, 0.94) | |||
| Hispanic | 0.53 (0.36, 0.80) | 1.27 (0.64, 2.52) | 1.17 (0.73, 1.88) | |||
| Other | 0.37 (0.25, 0.55) | 0.53 (0.33, 0.83) | 0.88 (0.54, 1.44) | |||
| Sex | <.001 | .06 | .91 | |||
| Male (Ref) | 1.00 | 1.00 | 1.00 | |||
| Female | 3.80 (3.17, 4.56) | 1.27 (0.99, 1.63) | 1.02 (0.80, 1.29) | |||
| HPV status | .4 | .01 | <.001 | |||
| Ever | 1.84 (0.44, 7.74) | 6.48 (1.69, 24.77 | 4.68 (1.89, 11.61) | |||
| Never (Ref) | 1.00 | 1.00 | 1.00 | |||
| Children | .11 | .67 | .5 | |||
| None | 0.83 (0.64, 1.07) | 0.85 (0.60, 1.22) | 1.09 (0.84, 1.43) | |||
| ≥ 1 daughter (Ref) | 1.00 | 1.00 | 1.00 | |||
| No daughter | 0.67 (0.46, 0.98) | 0.88 (0.55, 1.40) | 1.23 (0.87, 1.73) | |||
Note. CI = confidence interval; HPV = human papillomavirus; OR = odds ratio. Also in model: age; employment; immigrant, insurance, and health status; having a regular physician; and survey mode. P values determined by adjusted Wald test.