Skip to main content

Table 2 Behaviours of sexually active students (n = 2059)

From: Prevalence of Chlamydia trachomatis and Neisseria gonorrhoeae infection in adolescents in Northern Italy: an observational school-based study

Behavioural risk factors Males (%) n = 1112 Females (%) n = 1606 Total (%) n = 2718
Ever had sexual intercourses    
 No 350 (31.5) 309 (19.2) 659 (24.2)
 Yes 762 (68.5) 1297 (80.8) 2059 (75.8)
Age at sexual debuta    
 Mean (SD) 16.3 (1.4) 16.0 (1.4) 16.1 (1.4)
Number of sexual partners during lifetimea    
 1 319 (42.0) 565 (43.7) 884 (43.1)
 2 or more 440 (58.0) 728 (56.3) 1168 (56.9)
Number of sexual partners during the 6 months before the surveya    
 0 136 (18.0) 107 (8.3) 243 (11.8)
 1 489 (64.6) 1002 (77.4) 1491 (72.7)
 2 or more 132 (17.4) 185 (14.3) 317 (15.5)
Had used condom during last sexual intercourseb    
 No 298 (47.5) 738 (61.9) 1036 (57.0)
 Yes 329 (52.5) 454 (38.1) 783 (43.0)
Use of condom in sexual intercourses during the 6 months before the surveyb    
 Always 206 (33.8) 280 (24.2) 486 (27.5)
 Sometimes/seldom/never 404 (66.2) 875 (75.8) 1279 (72.5)
Reasons for not using condom in sexual intercourses during the 6 months before the surveybc    
 Condom not available at the time of intercourse 107 (17.3) 187 (16.1) 294 (22.8)
 Too expensive 13 (2.1) 23 (2.0) 36 (2.8)
 Use of other contraceptive methods 152 (24.8) 449 (38.6) 601 (46.8)
 Felt it was not necessary 88 (14.3) 148 (12.7) 236 (18.4)
 Felt it was an obstacle to sexual intercourse 98 (15.9) 154 (13.4) 252 (19.6)
 Don’t know 40 (6.5) 103 (9.0) 143 (11.2)
Contraceptive methods used as alternative to condombc    
 Hormonal contraceptives 170 (42.0) 469 (52.7) 639 (49.4)
 Others 39 (9.6) 86 (9.9) 125 (9.7)
 None 196 (48.5) 362 (40.8) 558 (43.2)
 Don’t know 16 (3.9) 6 (0.7) 22 (1.7)
Reported genital symptoms or diseasesac    
 Itching 56 (7.5) 325 (25.5) 381 (18.9)
 Burning sensation 28 (3.8) 232 (18.2) 260 (12.9)
 Vaginal/urethral discharge 0 (0.0) 352 (27.7) 352 (17.5)
 Pain during sexual intercourse 5 (0.7) 209 (16.4) 214 (10.6)
 Pelvic pain 0 (0.0) 59 (4.8) 59 (2.9)
 Testicular pain 51 (6.7) 0 (0.0) 51 (2.5)
 Genital ulcers 0 (0.0) 0 (0.0) 0 (0.0)
 Condylomas 1 (0.1) 2 (0.2) 3 (0.1)
 None 619 (83.2) 587 (46.1) 1206 (59.8)
  1. aPercentages calculated on the total of sexually active students (n = 2059)
  2. bPercentages calculated on the total of sexually active students during the 6 months before the survey (n = 1816)
  3. cThe sum of percentages is more than 100 % because more than one answer was allowed