| Early adolescents | Middle adolescents | Young adults |
---|---|---|---|
 | n = 5753 | n = 9649 | n = 7506 |
Non-users (%) | 32.9 | 30.2 | 27.9 |
Low users - 1 to 3 visits (%) | 52.6 | 50.8 | 50.4 |
High users - 4 or more visits (%) | 14.5 | 19.0 | 21.7 |
Total respondents (%) | 100.0 | 100.0 | 100.0 |
Mean number of visits (standard deviation) | 1.9 (2.9) | 2.4 (4.4) | 2.8 (5.6) |
Median number of visits | 1 | 1 | 2 |
Interquartile range number of visits | 0 - 2 | 0 - 3 | 0 - 3 |