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Table 8 Effect modification for LTHP on the additive scale for the association between NMUPO and suicide attempt

From: A cross sectional study of non-medical use of prescription opioids and suicidal behaviors among adolescents

NMUPO No LTHP LTHP  
Predicted Risk 95% CI Predicted Risk 95% CI p-value
0 occasions 0.02 0.019–0.020 0.03 0.028–0.033 < 0.0001
1–5 occasions 0.05 0.046–0.062 0.08 0.066–0.102 0.08
> 6 occasions 0.06 0.048–0.080 0.11 0.072–0.148 0.09
  1. Note: Models controlled for sex, grade, SES, alcohol use, and depression