eTable 10. Sample size, prevalence, estimated prevalence with 95% confidence intervals for use of at least one illegal drug by survey year and sex.
Men | Women | |||||||
Survey year | N | Prevalence | Est. prev. | 95% CI | N | Prevalence | Est. prev. | 95% CI |
1995 | 3550 | 2,9 | 2,1 | [1.7; 2.5] | 4276 | 0,8 | 0,6 | [0.4; 0.7] |
1997 | 3727 | 2,2 | 2,2 | [1.9; 2.5] | 4293 | 0,8 | 0,7 | [0.5; 0.8] |
2000 | 3657 | 2 | 2,2 | [2.0; 2.5] | 4428 | 1 | 0,8 | [0.6; 0.9] |
2003 | 3583 | 3 | 2,3 | [2.1; 2.5] | 4421 | 1 | 0,9 | [0.8; 1.0] |
2006 | 3041 | 2 | 2,4 | [2.2; 2.6] | 3858 | 0,7 | 1 | [0.9; 1.1] |
2009 | 3203 | 2 | 2,5 | [2.3; 2.7] | 4049 | 0,8 | 1,1 | [1.0; 1.3] |
2012 | 3414 | 1,9 | 2,6 | [2.3; 2.9] | 4534 | 0,8 | 1,3 | [1.1; 1.4] |
2015 | 3692 | 2,2 | 2,7 | [2.3; 3.0] | 4540 | 1,1 | 1,5 | [1.2; 1.7] |
2018 | 3734 | 3,1 | 2,8 | [2.3; 3.2] | 4572 | 2 | 1,6 | [1.3; 2.0] |
N. Sample size; Est. prev.. mean estimated prevalence; 95% CI. 95% confidence interval