| Category of offence at reconviction | Illegal pornography offenders (n = 3125) | Dual offenders (n = 297) | Illegal pornography offenders compared with dual offenders | |||
| Number of reconvictions | Reconviction rate in % (standard error) | Number of reconvictions | Reconviction rate in % (standard error) | Log-Rank (Mantel-Cox) Chi-Square | p | |
| Child sexual offences | 7 | 0.2 (0.001) | 9 | 2.6 (0.009) | 83.048 | <0.0001 |
| Illegal pornography offence | 62 | 1.6 (0.002) | 12 | 3.5 (0.10) | 31.576 | <0.0001 |
| Other sexual offences | 3 | 0.1 (0.000) | 3 | 0.9 (0.005) | 11.453 | 0.001 |
| Other violent offences | 19 | 0.5 (0.001) | 2 | 0.6 (0.004) | 2.398 | 0.121 |
| Other offences | 167 | 4.2 (0.003) | 14 | 4 (0.010) | 1.477 | 0.224 |
| Total | 230 | 5.8 (0.004) | 26 | 7.3 (0.014) | 14.074 | <0.0001 |