1 = female
2 = male

Tested for chlamydia in past?
1 = yes
2 = no

Past: how tested?
1 = self-test
2 = with dr/nurse support
3 = both methods

Past: how many times self-tested?
1 = 0
2 = 1
3 = 2
4 = 3
5 = 4
6 = >4

Past: source of test?
1 = internet
2 = pharmacy
3 = GP clinic
4 = sex health/gum clinic
5 = post (letter from health care provider)
6 = university premises
7 = other

Other source mentioned?
0 = no response
1 = response

Past: test from NCSP?
1 = yes
2 = no
3 = don't know

Past: was the test free?
1 = free
2 = P paid for test

Past: method of sampling
1 = urine sample
2 = vaginal swab
3 = another method

Past: Method of testing sample
1 = sent to lab
2 = tested in own home
3 = other

Past: diseases tested for
1 = chlamydia only
2 = chlamydia and gonorrhoea
3 = chlamydia and other STIs
4 = Unsure

Past: what was test result?
1 = had chlamydia
2 = did not have chlamydia
3 = prefer not to say

Past: what did on receiving result?
1 = talked with friends/family
2 = made appt at a clinic
3 = telephoned test providers
4 = ordered treatment online
5 = nothing
6 = appt at clinic AND telephoned test providers
7 = talked with friends/family AND made appt AND telephoned providers
8 = talked with friends/family AND made appt

Past: delay to seeking help
1 = 1 day
2 = >1 day, <1week
3 = 1 to 2 weeks
4 = 2 weeks to 1 month
5 = Longer than 1 month
6 = Have not sought help
7 = can't remember

Perception of symptoms in men
1 = always have symptoms
2 = sometimes have symptoms
3 = never have symptoms
4 = don't know

1 = White, British
2 = Asian/Asian British, Indian
3 = White, Other
4 = White, Gypsy/Irish Traveller
5 = Asian/Asian British, Nepalese
6 = White, Eastern European
7 = Other
8 = White Irish
9 = White
10 = Asian/Asian British, Pakistani
11 = Black/African/Caribbean/Black British, African
12 = White, Greek
13 = White British, part Jewish
14 = Mixed, White and Black Caribbean
15 = Mixed, White, Asian, Black
16 = Mixed, Greek Cypriot
17 = British
18 = Other, Black
19 = Other, Mixed

Preferred gender of partner
1 = men
2 = women
3 = men and women

Condom use, new partner
1 = always
2 = sometimes
3 = never