Table 1 Socio-demographic and behavioural characteristics of study participants

Total number of participants

Socio-demographics

   Median age (range)

   Female

   Residing in or close to a major city^a

   Born in Australia

   Highest level of education is high school or below

   Living with their partner

   Living with their parent(s)

Reported sexual behaviours

   Median age (range) of first sex

   Median (range) number of lifetime sexual partners

   Reported multiple sexual partners in the past year

   Reported new sexual partner in the past three months^b

   Reported at least one same-sex partner in the past year

   Reported inconsistent condom use^c

Reported drug and alcohol related behaviours

   Reported hazardous drinking in the past year^d

   Reported illicit drug use in the past month

Sexual health service utilisation

   Reported seeing a doctor in the past six months

   Reported speaking to a doctor about sexual health in the past six months

   Reported having ever had an STI test (other than a pap smear)

   Reported having had an STI test (other than a pap smear) in the past six months

Level of STI-related knowledge

   Knew that a pap smear cannot diagnose all of the main STIs

   Knew that chlamydia can last for years if left untreated

   Knew that chlamydia can be asymptomatic

   Knew that chlamydia can be diagnosed using a simple urine test

   Knew that bacterial STIs can be easily treated with antibiotics

   Knew that chlamydia can make women infertile

   Answered more than three of six STI-related knowledge questions correctly*