Table 2.

The correlations between current age and all MJ use variables.

Measure	Early onset	Late onset
First MJ use	r = 0.038	r = 0.189
Regular MJ use	r = 0.289	r = 0.203
MJ years of use	r = 0.898*	r = 0.623**
MJ grams	r = 0.123	r = 0.206

^*p < 0.001.

^**p < 0.005.