Table 1. Demographic, lifestyle and sexual behaviour characteristics among 417 participants who were offered HPV vaccination between 2007 and 2009 as part of the National HPV Vaccination Program, living in Victoria, by NHVPR confirmed vaccination status.
| Characteristic | Total (N = 417) | Unvaccinated (n = 80) | Fully vaccinated (n = 337) | p-value | |
|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | |||
| Birth cohort 1 | 1996–1994 | 46 (11.0) | 8 (10.0) | 38 (11.3) | 0.318 |
| 1993–1992 | 95 (22.8) | 21 (26.3) | 74 (22.0) | ||
| 1991–1990 | 124 (29.7) | 17 (21.3) | 107 (31.8) | ||
| 1989–1988 | 108 (25.9) | 26 (32.5) | 82 (24.3) | ||
| 1987–1986 | 44 (10.7) | 8 (10.0) | 36 (10.7) | ||
| Age at program commencement | 11–17 years old | 320 (76.7) | 59 (73.8) | 261 (77.5) | 0.482 |
| 18–21 years old | 97 (23.3) | 21 (26.3) | 76 (22.6) | ||
| Country of Birth | Australia | 361 (87.2) | 53 (66.3) | 308 (92.2) | <0.001 |
| Other4 | 53 (7.8) | 27 (33.8) | 26 (7.8) | ||
| Childhood area of residency2 | Major city | 239 (66.0) | 35 (68.6) | 204 (65.6) | 0.672 |
| Regional or remote | 123 (34.0) | 16 (31.4) | 107 (34.4) | ||
| Childhood SES3 | More disadvantaged | 135 (37.3) | 20 (39.2) | 115 (37.0) | 0.759 |
| Less disadvantaged | 227 (62.7) | 31 (60.8) | 196 (63.0) | ||
| Parental country of birth | Both Australian born | 259 (63.0) | 37 (48.1) | 222 (66.5) | <0.001 |
| One parent born overseas5 | 80 (19.5) | 12 (15.6) | 68 (20.4) | ||
| Both parents born overseas5 | 72 (17.5) | 28 (36.4) | 44 (13.2) | ||
| Parental religion | Both non-religious | 113 (27.6) | 24 (31.6) | 89 (26.7) | 0.517 |
| One parent religious | 100 (24.5) | 20 (26.3) | 80 (24.0) | ||
| Both parents religious | 196 (47.9) | 32 (42.1) | 164 (49.3) | ||
| Childhood vaccinations | Incomplete | 23 (5.5) | 13 (16.3) | 10 (3.0) | <0.001 |
| Complete | 394 (94.5) | 67 (83.8) | 327 (97.0) | ||
| Main decision maker regarding receiving the HPV vaccine | Self | 181 (43.4) | 54 (67.5) | 127 (37.7) | <0.001 |
| One or both parents | 236 (56.6) | 26 (32.5) | 210 (62.3) | ||
| Tobacco use | Never smoked | 336 (81.8) | 57 (72.2) | 279 (84.0) | 0.014 |
| Past or current smoker | 75 (18.3) | 22 (27.8) | 53 (16.0) | ||
| Private health insurance | No | 174 (41.7) | 44 (55.0) | 130 (38.6) | 0.007 |
| Yes | 243 (58.3) | 36 (45.0) | 207 (61.4) | ||
| Age at first sex | 11–17 | 185 (55.9) | 30 (50.0) | 155 (57.2) | 0.310 |
| 18–24 | 146 (44.1) | 30 (50.0) | 116 (42.8) | ||
| Lifetime number of sexual partners | 0 | 81 (20.0) | 17 (22.4) | 64 (19.5) | 0.530 |
| 1–3 | 167 (41.2) | 27 (35.5) | 140 (42.6) | ||
| 4+ | 157 (38.8) | 32 (42.1) | 125 (38.0) | ||
| Current contraceptive use | Yes | 296 (89.2) | 49 (81.7) | 247 (90.8) | 0.039 |
| No | 36 (10.8) | 11 (18.3) | 25 (9.2) | ||
| Date of last Pap smear | Within last two years | 199 (89.6) | 31 (81.6) | 168 (91.3) | 0.073 |
| More than two years ago | 23 (10.4) | 7 (18.4) | 16 (8.7) |
1: Birth year corresponds to women between 11–21 years old as of the 1st of January 2007 who were offered HPV vaccination between 2007 and 2009 as part of the National HPV Vaccination Program;
2: based on the Accessibility/Remoteness Index of Australia (ARIA) classification;
3: based on the Australian Bureau of Statistics Index of Relative Socioeconomic Disadvantage for each individuals residential postcode;
4: Other countries of birth include New Zealand, China, Fiji, Finland, Germany, Hong Kong, India, Indonesia, Japan, Kenya, Malaysia, Singapore, Serbia, South Africa, Sri Lanka, Sweden, United Kingdom, US, Vietnam;
5: Overseas countries correspond to New Zealand, Bangladesh, Brunei, Canada, Chile, China, Egypt, Fiji, Finland, France, Germany, Hong Kong, India, Indonesia, Israel, Italy, Kenya, Latvia, Lebanon, Malaysia, Malta, Mauritius, Netherlands, Pakistan, Papua New Guinea, Philippines, Poland, Republic of Malawai, Sweden, Singapore, Spain, South Africa, Sri Lanka, Tanzania, United Kingdom, US, Vietnam, Zimbabwe.
Abbreviations: SES: Socioeconomic status; Pap: Papanicolaou. Numbers do not always total 417 because of small amounts of missing data.