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. 2018 Feb 21;6:e4362. doi: 10.7717/peerj.4362

Table 3. Awareness of STIs in the two places of study, including the sample sizes for people who reported information about different sexually transmitted infections (STIs), and the mean number of STIs (±st. dev) listed by respondents in response to question six (Table 1).

Note that students were prompted to provide responses regarding HIV/AIDS (Table 1). These totals include individuals that did not specify a gender as part of their survey responses (n = 2 people in Madagascar and n = 4 people in the United States); these individuals were, however, excluded from any analyses where gender was a random effect.

Sexually transmitted infections (STIs) USA (n = 199 students) Madagascar (n = 242 students)
STIs Sample sizes (percentage of respondents that listed STI) Sample sizes (percentage of respondents that listed STI)
Chlamydia 82 (41.2%) 4 (1.7%)
Gonorrhea 91 (45.7%) 97 (40.1%)
Hepatitisa 8 (4.0%) 9 (3.7%)
Herpesb 118 (59.3%) 7 (2.9%)
HIV/AIDS 174 (87.4%) 215 (88.8%)
HPV/genital warts 35 (17.6%) 2 (0.8%)
Licec 26 (13.1%) 1 (0.0%)
Syphilis 58 (29.1%) 148 (61.2%)
Trichomoniasis 5 (2.5%) 4 (1.7%)
Means ±  st. dev (% of respondents in place of study) Means ±  st. dev (% of respondents in place of study)
Mean number of STIs listed by respondents in response to survey question 6 3.1 ±  2.1 (81.1%) 2.2 ±  1.3 (90.4%)
Mean number of STIs listed by respondents excluding HIV/AIDS in response to survey question 6 2.2 ±  1.7 (74.5%) 1.2 ±  1.0 (70.3%)

Notes.

a

Includes all types of hepatitis viruses.

b

Includes genital herpes, dentitial herpes, and any mention of the herpes virus.

c

Including any mention of pubic lice and crabs.