Table 1

Characteristics of the study population
Characteristics n (%) N
Socio-demographic characteristics
Mean age (years) 23.8 ± 0.07 * 1,094
Age group 18–24 years 598 (54.7) 1,094
25–26 years 496 (45.3)
Geographical area of residence North 445 (40.7) 1,094
Centre 235 (21.5)
South 414 (37.8)
Nationality Foreign 69 (6.3) 1,092
Italian 1,023 (93.7)
Educational level Low (≤8 years) 216 (19.8) 1,090
High (>8 years) 874 (80.2)
Employment status Student 455 (42.0) 1,084
Employed 415 (38.3)
Unemployed 163 (15.0)
Housewife 51 (4.7)
Marital status Single 974 (89.3) 1,091
Married 113 (10.3)
Divorced 4 (0.4)
Lives with parents 813 (74.7) 1,089
partner 185 (17.0)
alone 48 (4.4)
friends 43 (3.9)
Sexual behaviour and reproductive history
Mean age at first sexual intercourse (years) 17.5 ± 0.1 * 1,089
Parity 0 988 (90.4) 1,093
≥1child 105 (9.6)
Mean age at first delivery (years) 21.7 ± 0.3 * 105
No. of lifetime partners 1 377 (34.6) 1,091
2–4 558 (51.1)
≥5 156 (14.3)
No. of partners in the last 6 months 0 69 (6.3) 1,093
1 962 (88.0)
2–4 53 (4.9)
≥5 9 (0.8)
Use of contraceptives in the last 6 months Yes 762 (74.5) 1,023
No 261 (25.5)
Use of condoms in the last 6 months Always 346 (33.9) 1,020
Rarely 307 (30.1)
Never 369 (36.0)
Previous Pap-test Yes 420 (38.5) 1,091
No 671 (61.5)

* (mean ± Standard Error).

Giambi et al.

Giambi et al. BMC Infectious Diseases 2013 13:74   doi:10.1186/1471-2334-13-74

Open Data