Table 2 Topic allocation rate by year
From: Text mining for identifying the nature of online questions about non-suicidal self-injury
topic | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | Sum (n) |
|---|---|---|---|---|---|---|---|---|---|---|---|
year | percentage | ||||||||||
2009 | 8.6 | 17.2 | 19.6 | 5.5 | 6.1 | 9.8 | 4.3 | 9.8 | 5.5 | 13.5 | 163 |
2010 | 13.5 | 18.7 | 15.8 | 5.8 | 6.4 | 6.4 | 6.4 | 4.7 | 5.8 | 16.4 | 171 |
2011 | 7.9 | 15.7 | 17.4 | 7.0 | 11.2 | 11.6 | 5.4 | 7.9 | 5.4 | 10.7 | 242 |
2012 | 11.5 | 12.4 | 19.7 | 6.8 | 10.3 | 9.7 | 5.3 | 5.9 | 5.9 | 12.6 | 340 |
2013 | 11.1 | 7.0 | 19.7 | 8.7 | 15.5 | 6.8 | 7.0 | 9.2 | 5.0 | 10.0 | 458 |
2014 | 11.8 | 9.4 | 14.7 | 7.9 | 13.6 | 8.1 | 7.0 | 7.3 | 8.9 | 11.3 | 604 |
2015 | 11.3 | 8.9 | 15.2 | 8.9 | 15.7 | 7.2 | 7.3 | 6.3 | 7.7 | 11.4 | 830 |
2016 | 9.7 | 6.9 | 16.1 | 9.0 | 16.3 | 9.2 | 5.5 | 8.9 | 7.7 | 10.4 | 997 |
2017 | 9.2 | 9.1 | 16.1 | 10.2 | 16.8 | 9.3 | 8.0 | 6.1 | 6.5 | 8.7 | 1208 |
2018 | 5.7 | 6.0 | 11.5 | 6.6 | 24.0 | 11.7 | 11.0 | 7.6 | 7.3 | 8.8 | 2880 |
Sum n (%) | 682 (8.6) | 654 (8.3) | 1159 (14.7) | 623 (7.9) | 1422 (18.0) | 768 (9.7) | 654 (8.3) | 582 (7.4) | 558 (7.1) | 791 (10.0) | 7893 |