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Table 2 Correlations between neonatal abstinence syndrome and other predictive factors

From: A state-level study of opioid use disorder treatment access and neonatal abstinence syndrome

  Correlation (r; 95% CI) p-value
Adult opioid use
 Proportion of individuals with illicit drug dependence or abuse 0.36 (0.04–0.61) 0.03
 Rate of opioid prescribing 0.36 (0.05–0.61) 0.02
Access
 Number of buprenorphine-waivered physicians per 100,000 population 0.71 (0.50–0.84) < 0.001
 Number of individuals in outpatient treatment programs per 100,000 population 0.54 (0.26–0.73) < 0.001
Demographics
 Proportion of state population with incomes below the federal poverty level 0.13 (−0.20–0.43) 0.44
 Proportion of state population with rural domicile 0.61 (0.35–0.77) < 0.001
 Proportion of state population that is Hispanic − 0.38 (− 0.62 - -0.07) 0.02
 Proportion of state population that is African American − 0.14 (− 0.44–0.19) 0.41