Table 1.

Fit statistics for a latent profile analysis of polysubstance use involving opioids.

Number of Profiles	Log-likelihood	Degrees of freedom	Akaike Information Criteria	Bayesian Information Criteria	Entropy	Likelihood ratio test (p-value)
1	−204822.7	16	409677.5	409786.1	1.00	NA
2	−201122.9	25	402295.7	402465.5	0.95	7384.27 (<0.001)
3	−200226.8	34	400521.7	400752.6	0.93	1790.28 (<0.001)
4	−199959.5	43	400005.1	400297.1	0.88	530.50 (<0.001)
5	−197275.0	52	394654.1	395007.2	0.86	5341.76 (<0.001)
6	−196888.3	61	393898.7	394312.9	0.93	1250.72 (<0.001)
7	−196519.7	70	393179.4	393654.7	0.85	241.70 (<0.001)

Note: Latent profile selected shown in bold.