Fit Indices for One- to Four-Class Growth Mixture Models of PTSD Symptom Severity (n = 957).

Note. AIC = Akaike information criterion; BIC = Bayesian information criterion; SSBIC = sample size adjusted Bayesian information criterion; LRT = Lo-Mendell-Rubin test; BLRT = bootstrap likelihood ratio test.注：AIC = 赤池信息准则（Akaike information criterion）；BIC = 贝叶斯信息准则（Bayesian information criterion）；SSBIC = 样本量调整贝叶斯信息准则（sample size adjusted Bayesian information criterion）；LRT = Lo-Mendell-Rubin检验；BLRT = 自助似然比检验（bootstrap likelihood ratio test）。