First ever use [n (%)] | Use in past 12 months [n (%)] | ||||||
---|---|---|---|---|---|---|---|
Age (years) | n (%) | Yes | No | Missing data | Yes | No | Missing data |
14–19 | 59 (28) | 27 (46)* | 32 (54) | 0 | 24 (41) | 32 (54) | 3 (5) |
20–24 | 83 (39) | 20 (24) | 62 (75) | 1 (1) | 23 (28) | 50 (60) | 10 (12) |
25–34 | 58 (27) | 11 (19) | 47 (81) | 0 | 20 (34) | 33 (57) | 5 (9) |
≥35 | 11 (5) | 1 (9)* | 10 (91) | 0 | 3 (27) | 8 (73) | 0 |
Total | 211 (99) | 60 (28) | 151 (72) | 1 (0.5) | 70 (33) | 123 (58) | 18 (9) |
*p=0.006.