Table 4.

Correlations between changes in substance use and other reinforcing behaviours based on a latent change score model (n = 2,344)

	2. Weekly frequency of heavy episodic drinking	3. Weekly number of cigarettes	4. Weekly frequency of illegal cannabis use	5. Weekly hours spent gaming	6. Weekly hours spent watching TV series	7. Weekly hours spent watching internet pornography
1. Weekly drinking volume	0.31	0.14	0.08	−0.02	0.00	0.10
2. Weekly frequency of heavy episodic drinking		0.05	0.09	0.01	0.01	0.07
3. Weekly number of cigarettes			0.00	0.01	0.11	0.01
4. Weekly frequency of illegal cannabis use				0.01	0.08	0.05
5. Weekly hours spent gaming					0.10	0.08
6. Weekly hours spent watching TV series						0.01
7. Weekly hours spent watching internet pornography

Note. Correlations in bold are significant according to bias-corrected 2.5% and 97.5% percentile bootstrap confidence intervals (not shown).