Table 7.

Comparison of the Akaike Information Criterion between Studies (n = 8,846)

Study	Variables Reported in Original Study	Equivalent Variables Used in this Dataset to Calculate Akaike Information Criterion	Akaike Information Criterion	Schwarz Bayesian Criterion
CDC 2014	Any anal sex without condoms (receptive or insertive) in past 6 months Any STI diagnosed or reported in past 6 months Is in an ongoing sexual relationship with an HIV-positive male partner	Any anal sex without condoms (receptive or insertive) at the last sexual experience Any STI reported in past 12 months	6,162	6,170
Smith 2012	Age Number of Sex Partners, prior 6 months Number of receptive anal sex episodes, prior 6 months Number of sex partners who were HIV positive Number of insertive anal sex episodes with an HIV+ man, prior 6 months Methamphetamine use, prior 6 months Nitrates use, prior 6 months	Age Number of Sex Partners, Last 3 Months Condom Use during receptive anal sex, last partner Condom Use during insertive anal sex, last partner Methamphetamine use, prior 12 months Nitrates use, prior 12 months	6,150	6,188
Menza 2009	Race/Ethnicity Age Diagnosis or History of an STI at Baseline Methamphetamine or Nitrates use, prior 6 months >= 10 Male Sex Partners, Prior Year Receptive, non-concordant unprotected anal sex, prior year	Race/Ethnicity Age History of any STI Methamphetamine or Nitrates Use, prior 12 months Number of Sex Partners, Last 3 Months Condom Use during receptive anal sex, last partner	6,073	6,115
LALGT Center Data	Race/Ethnicity Age History of any STI Condom Use during receptive anal sex, last partner Race/Ethnicity, last partner Age Difference, last partner Number of Sex Partners, Last 3 Months Intimate Partner Violence Ecstasy use, prior 12 months Methamphetamine use, prior 12 months Nitrates use, prior 12 months	N/A	6,094	6,160