Table 3

Stratification of alleles of opioid-dependent and nondependent study subjects by ethnicity

A118G C17T
Opioid-dependent (cases) Nondependent (controls) Opioid-dependent (cases) Nondependent (controls)
AGAGCTCT
African-American4511603313160
Caucasian537395591431
Hispanic104121171115180
Combined20220661220319771
  • The two individuals who were not classified as African-American, Caucasian, or Hispanic ethnic groups were not included in the analysis.