Table 2.

Demographic information and descriptive statistics of study variables for each data set separately.

Data set	N	Mean age wave 1 (SD)	% boy	Effortful control T1 Mean (SD)	Working memory T1 Mean (SD)	Response inhibition T1 Mean (SD)	Reward sensitivity T3 Mean (SD)
Total sample	715	11.10 (0.55)	49.1	3.54 (0.52)	0.47 (0.25)	0.19 (0.15)	0.50 (0.13)
Non-alcohol use	486	11.06 (0.55)	43.3	3.59 (0.53)	0.46 (0.24)	0.19 (0.15)	0.51 (0.13)
Non-cannabis use	699	11.10 (0.55)	48.4	3.55 (0.52)	0.47 (0.25)	0.19 (0.15)	0.51 (0.13)
Non-smoking behavior	615	11.09 (0.55)	47.8	3.59 (0.52)	0.46 (0.26)	0.20 (0.16)	0.50 (0.14)