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. Author manuscript; available in PMC: 2011 Nov 28.
Published in final edited form as: Addict Behav. 2010 Jun 9;35(11):961–969. doi: 10.1016/j.addbeh.2010.06.011

Table 4.

Comparison of the dummy variable model M12Dum to the dimensional model M12dimensional representing 12 cannabis dependence, abuse and weekly consumption criteria in NESARC participants (N=8,172)*

Outcome Criterion Count (K) M12Dum Estimate M12dimensional Estimate*
Log P(K)/P(0)a
Family History 1 0.33 (0.09) 0.14 (0.01)
2 0.60 (0.11) 0.27 (0.02)
3 0.67 (0.12) 0.41 (0.03)
4 0.64 (0.15) 0.54 (0.04)
5 0.70 (0.17) 0.68 (0.05)
6 1.35 (0.15) 0.82 (0.06)
7 1.04 (0.18) 0.95 (0.07)
8 1.13 (0.31) 1.09 (0.08)
9 1.12 (0.20) 1.22 (0.09)
10 1.57 (0.20) 1.36 (0.10)
11 1.25 (0.34) 1.50 (0.11)
12 1.84 (0.31) 1.63 (0.12)
Pvalue for test of difference with M12Dum 0.01
Log (Odds(K)/Odds(0))a
Age of Onset 1 0.42 (0.15) 0.18 (0.01)
2 0.73 (0.15) 0.36 (0.03)
3 0.99 (0.16) 0.53 (0.04)
4 1.27 (0.18) 0.71 (0.06)
5 1.17 (0.20) 0.89 (0.07)
6 1.33 (0.22) 1.07 (0.08)
7 1.46 (0.24) 1.25 (0.10)
8 1.79 (0.27) 1.42 (0.11)
9 1.88 (0.31) 1.60 (0.13)
10 1.44 (0.30) 1.78 (0.14)
11 2.11 (0.39) 1.96 (0.15)
12 2.10 (0.54) 2.13 (0.17)
Pvalue for test of difference with M12Dum 0.06
Log (Odds(K)/Odds(0))a
Antisocial Personality 1 0.40 (0.15) 0.25 (0.01)
2 0.86 (0.16) 0.51 (0.03)
3 0.92 (0.18) 0.76 (0.04)
4 1.59 (0.19) 1.02 (0.06)
5 1.64 (0.21) 1.27 (0.07)
6 1.51 (0.24) 1.53 (0.08)
7 1.79 (0.24) 1.78 (0.10)
8 2.42 (0.24) 2.04 (0.11)
9 2.27 (0.26) 2.29 (0.13)
10 2.14 (0.28) 2.55 (0.14)
11 2.90 (0.34) 2.80 (0.16)
12 3.66 (0.54) 3.06 (0.17)
Pvalue for test of difference with M12Dum 0.01
a

K represents number of criteria present compared to the reference group with 0 criteria

*

Adjusted for age (continuous), gender (0=female, 1=male) and race (white=1, others=0).