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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Addiction. 2021 Apr 6;116(10):2790–2800. doi: 10.1111/add.15487

Table 3.

Associations of patient and opioid prescription factors with diagnosis of opioid use disorder or opioid overdose during the year after an opioid prescription among 3,278,990 youth.


Characteristic
Unadjusted RR (95% CI) Adjusteda RR (95% CI)
Patient factors
Age, years
 11–13 Reference Reference
 14–16 6.76 (5.36 – 8.53) 3.54 (2.80 – 4.47)
 17–19 16.33 (13.02 – 20.47) 5.65 (4.50 – 7.10)
 20–22 26.95 (21.51 – 33.78) 7.31 (5.81 – 9.19)
 23–25 21.56 (17.19 – 27.05) 6.17 (4.90 – 7.76)
Sex
 Female Reference Reference
 Male 2.14 (2.06 – 2.22) 2.00 (1.91 – 2.08)
Location
 Rural Reference Reference
 Urban 1.20 (1.13 – 1.27) 1.15 (1.09 – 1.20)
Pregnancyb
 No Reference Reference
 Yes 0.95 (0.88 – 1.02) 0.91 (0.84 – 0.99)
Acute pain conditionc
 No Reference Reference
 Yes 1.06 (1.01 – 1.11) 0.88 (0.84 – 0.93)
Chronic pain conditionb
 No Reference Reference
 Yes 1.95 (1.86 – 2.04) 1.15 (1.09 – 1.20)
Intellectual disability, learning disorder, or developmental disordera
 No Reference Reference
 Yes 1.46 (1.27 – 1.68) 0.84 (0.73 – 0.96)
Mood or anxiety disorderb
 No Reference Reference
 Yes 11.17 (10.73 – 11.62) 4.45 (4.25 – 4.66)
Psychosisb
 No Reference Reference
 Yes 14.68 (13.65 – 15.79) 1.35 (1.25 – 1.45)
Attention deficit hyperactivity disorderb
 No Reference Reference
 Yes 2.68 (2.55 – 2.83) 1.10 (1.04 – 1.16)
Trauma or stress-related conditionb
 No Reference Reference
 Yes 4.22 (4.01 – 4.44) 1.42 (1.35 – 1.50)
Conduct disorder or antisocial personality disorderb
 No Reference Reference
 Yes 6.08 (5.58 – 6.63) 1.18 (1.08 – 1.30)
Other substance use disorderb
 No Reference Reference
 Yes 45.45 (43.53 – 47.45) 20.77 (19.74 – 21.84)
Prescription factors
Long-acting opioid
 No Reference Reference
 Yes 9.49 (7.94 – 11.34) 2.59 (2.18 – 3.09)
Daily dose, morphine milligram equivalents
 < 30 Reference Reference
 30–59 0.91 (0.87 – 0.95) 0.95 (0.91 – 0.99)
 60–89 0.89 (0.83 – 0.96) 0.90 (0.83 – 0.96)
 90–119 0.97 (0.87 – 1.08) 0.92 (0.83 – 1.03)
 ≥ 120 2.04 (1.83 – 2.28) 1.23 (1.11 – 1.37)
Duration of prescription, days
 1–3 Reference Reference
 4–6 0.93 (0.89 – 0.97) 0.96 (0.92 – 1.01)
 7–14 1.25 (1.17 – 1.32) 1.15 (1.08 – 1.22)
 ≥ 15 3.01 (2.79 – 3.24) 1.96 (1.80 – 2.12)
a.

Adjusted for all other covariates listed in the table

b.

Diagnosed within the 6 months preceding or 12 months following the initial opioid prescription

c.

Diagnosed within the 14 days preceding or following the initial opioid prescription