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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