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Table 3 Population level impact of (potentially) modifiable risk factors

From: Individual and population level impacts of illicit drug use, sexual risk behaviours on sexually transmitted infections among young Aboriginal and Torres Strait Islander people: results from the GOANNA survey

Potentially modifying risk factors High risk sexual behavioursa STI Diagnosisb
PAR% (95 % CI) PAR% (95 % CI)
Drug & alcohol related Male Female Male Female
 Cannabis use 32 % (25, 39 %) 24 % (20, 29 %) 27 % (20, 36 %) 13 % (10, 17 %)
 Ecstasy use 29 % (22, 37 %) 11 % (9, 14 %) 30 % (25 37 %) 13 % (10, 16 %)
 Methamphetamine use 20 % (14, 25 %) 11 % (8, 14 %) 28 % (22, 34 %) 7 % (5, 10 %)
 Alcohol intake (7+/week) 30 % (23, 36 %) 14 % (11, 18 %)
 Drunk/high last sex 34 % (28, 40 %) 21 (17, 25 %) 31 % (24, 39 %) 17 % (13, 21 %)
High risk sexual behavioursa     
No condom use in last sex 72 % (62, 80 %) 40 % (30, 49 %)
  +3 or more sexual partnersd     
Modifying drug use     
Cannabis use     
  + Ecstasy use 45 % (36, 51 %) 30 % (24, 35 %) 43 % (34, 51 %) 20 % (15, 25 %)
   + Methamphetamine use     
Modifying drug/alcohol     
 + high risk sexual behaviours     
All drug related     
 + Alcohol relatedc 76 % (71, 80 %) 70 % (65, 73 %) 74 % (66, 80 %) 70 % (63, 75 %)
 + No condom use last sex     
  +3 or more sexual partnersd     
  1. anot used condom in last sex, and/or 3+ sexual partners past 12 months; bamong testers
  2. cincluding only drunk/high in last sex for the “STI diagnosis”; dpast 12 months