Table 1.
Epidemiological characteristics of the study population as related to human papillomavirus (HPV) infection (n = 912)
| HPV prevalence | ||||
|---|---|---|---|---|
| High risk (%)* | Non-high risk (%) | Total (%)† | ||
| Age (years) | 25–34 (n = 121) | 5 (4·1) | 4 (3·3) | 9 (7·4 ± 4·7) |
| 35–44 (n = 286) | 12 (4·2) | 12 (4·2) | 24 (8·4 ± 3·2) | |
| 45–54 (n = 232) | 15 (6·5) | 6 (2·6) | 21 (9·1 ± 3·7) | |
| 55–64 (n = 194) | 7 (3·6) | 3 (1·5) | 10 (5·2 ± 3·1) | |
| ⩾65 (n = 79) | 5 (6·3) | 3 (3·8) | 8 (10·1 ± 6·6) | |
| Zygosity | Monozygotic twin (n = 284) | 15 (5·3) | 9 (3·2) | 24 (8·5 ± 3·2) |
| Dizygotic twin (n = 64) | 3 (4·7) | 3 (4·7) | 6 (9·4 ± 7·1) | |
| Individual (n = 564) | 26 (4·6) | 16 (2·8) | 42 (7·4 ± 2·2) | |
| Marriage | Single (n = 45) | 4 (8·9) | 1 (2·2) | 5 (11·1 ± 9·2) |
| Married (n = 728) | 31 (4·3) | 23 (3·2) | 54 (7·4 ± 1·9) | |
| Divorced, separated, or cohabiting (n = 139) | 9 (6·5) | 4 (2·9) | 13 (9·4 ± 4·9) | |
| Education | ⩽ Elementary school (n = 230) | 7 (3·0) | 4 (1·7) | 11 (4·8 ± 2·8) |
| ⩽ High school (n = 425) | 25 (5·9) | 16 (3·8) | 41 (9·6 ± 2·8) | |
| ⩾ College (n = 257) | 12 (4·7) | 8 (3·1) | 20 (7·8 ± 3·3) | |
| Occupation | Housewife (n = 433) | 23 (5·3) | 19 (4·4) | 42 (9·7 ± 2·8) |
| Worker (n = 479) | 21 (4·4) | 9 (1·9) | 30 (6·3 ± 2·2) | |
| Gave birth to a child | Yes (n = 848) | 40 (4·7) | 27 (3·2) | 67 (7·9 ± 1·8) |
| No (n = 29) | 1 (3·5) | 0 | 1 (3·5 ± 6·7) | |
| Missing (n = 35) | 3 (8·6) | 1 (2·9) | 4 (11·4 ± 10·5) | |
| Oral contraceptive use | No (n = 733) | 34 (4·6) | 16 (2·2) | 50 (6·8 ± 1·8) |
| Ever used (n = 157) | 7 (4·5) | 10 (6·4) | 17 (10·8 ± 4·9) | |
| Current use (n = 9) | 2 (22·2) | 1 (11·1) | 3 (33·3 ± 30·8) | |
| Missing (n = 13) | 1 (7·7) | 1 (7·7) | 2 (15·4 ± 19·6) | |
| Menstruation | Menopause (n = 421) | 22 (5·2) | 11 (2·6) | 33 (7·8 ± 2·6) |
| Pre-menopause (n = 482) | 22 (4·4) | 17 (3·7) | 39 (8·1 ± 2·4) | |
| Missing (n = 9) | 0 | 0 | 0 | |
| Smoking | Never smoker (n = 823) | 38 (4·6) | 28 (3·4) | 67 (8·1 ± 1·9) |
| Ever smoker (n = 26) | 4 (15·4) | 0 | 4 (15·4 ± 13·9) | |
| Current smoker (n = 59) | 2 (3·4) | 0 | 2 (3·4 ± 4·6) | |
| Missing (n = 4) | 0 | 0 | 0 | |
| Alcohol intake | Non-drinker (n = 407) | 16 (3·9) | 11 (2·7) | 28 (6·9 ± 2·5) |
| Ever drinker (n = 80) | 5 (6·3) | 2 (2·5) | 7 (8·8 ± 6·2) | |
| Current drinker (n = 424) | 23 (5·4) | 15 (3·5) | 38 (9·0 ± 2·7) | |
| Missing (n = 1) | 0 | 0 | 0 | |
*
Samples in which at least one high-risk HPV genotype was detected.
†
Prevalence and 95% confidence intervals are presented.