Table 1.
Characteristics of the Study Population That Was Included in the Analyses
| General Practitioner | Total Study Population (N = 96 468) | |
|---|---|---|
| No. | (%) | |
| Observation time in years per womana | ||
| Median (25th–75th percentile) | 3.0 (2.0–5.0) | … |
| Vaccination status at the start of follow-up | ||
| Unvaccinated | 67 603 | (70.1) |
| Partially vaccinatedb | 2783 | (2.9) |
| Fully vaccinatedb | 26 082 | (27.0) |
| Vaccination status at the end of follow-up | ||
| Unvaccinated | 37 675 | (39.1) |
| Partially vaccinatedb | 5049 | (5.2) |
| Fully vaccinatedb | 53 744 | (55.7) |
| Age, y | ||
| Range | 12.00–22.96 | … |
| Median (25th–75th percentile) at the start of follow-up | 13.4 (12.0–16.1) | … |
| Median (25th–75th percentile) at the end of follow-up | 17.7 (15.3–20.1) | … |
| Migration backgroundc | ||
| Native Dutch | 75 595 | (78.4) |
| Moroccan | 2994 | (3.1) |
| Turkish | 2981 | (3.1) |
| Surinamese | 2249 | (2.3) |
| Antillean/Aruban | 1139 | (1.2) |
| Western (non-Dutch) | 6158 | (6.4) |
| Non-Western (other than above) | 5352 | (5.5) |
| Educational leveld | ||
| Low/middle | 50 537 | (52.4) |
| High | 44 563 | (46.2) |
| Missing | 1368 | (1.4) |
| Fear of STI or fear of HIV/ AIDS consultatione | ||
| No | 92 753 | (96.1) |
| Yes | 3715 | (3.9) |
| Mean No. of GP consultations per year | ||
| Median (25th–75th percentile) | 2.2 (0–4.0) | … |
Abbreviations: GP, general practitioner; HIV, human immunodeficiency virus; STI, sexually transmitted infection.
aObservation time was defined as the period a woman was registered in a general practice. Follow-up started the first time a woman was registered in a general practice from January 2007 onward or on the 12th birthday. Follow-up ended when a woman was diagnosed with anogenital warts, left the general practice, or end of the study period (31 December 2015).
bPartially vaccinated: 1 dose or 2 doses < 5 months apart. Fully vaccinated: 3 doses or 2 doses ≥ 5 months apart.
cMigration background was based on parental country of birth.
dHigh educational level included school of higher general secondary education, pre–university education, university of applied sciences, and university. Low/middle educational level included all other levels of education.
e International Classification of Primary Care, first edition, code X23 or B25 (fear of STI or fear of HIV/AIDS, respectively) prior to an anogenital wart diagnosis.