Oncogenic HPV Types Infection in Adolescents and University Women from North Portugal: From Self-Sampling to Cancer Prevention

Table 1

Characteristics of the study participants.

Age and sexual intercourse	𝑛 (%)
Age (median ± sd^a)	17.0 ± 2.46 (range 14 to 30)
Age of menarche (median ± sd^a)	12.0 ± 1.34 (range 8 to 16)
Age of first sexual intercourse (median ± sd^a)	16.0 ± 1.67 (range 13 to 22)
Number of years after first sexual intercourse (median ± sd^a)	2.0 ± 2.06 (range 0 to 12)
Education level (𝑛=434)
Elementary (≤9th grade)	27 (6.2)
High school (10th–12th grade)	296 (68.2)
University	111 (25.6)
HPV vaccination (𝑛=435)
Yes	161 (37.0)
No	231 (53.1)
NR^b	43 (9.9)
Sexual activity (𝑛=435)
Yes	277 (63.7)
No	38 (8.7)
NR^b	120 (27.6)
No. of Sexual partners (𝑛=277)
1	174 (62.8)
2–5	94 (33.9)
NR^b	9 (3.3)

^aStandard deviation; ^bNonresponders.