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. 2014 Sep 13;29(12):1663–1671. doi: 10.1007/s11606-014-3010-y

Table 3.

UDT Results for Patient and Opioid Subgroups

Variable All UDTs
N = 5,420 UDTs
%*
Any aberrant result
n = 1,647/5,387 UDTs
%
Prescribed opioid non-detection
n = 656/5,334 UDTs
%
THC, no illicit drug
n = 565/5,162 UDTs
%
Non-pre-scribed opioid
n = 283/5,377 UDTs
%
Illicit drug n = 29/5,162 UDTs
%
Non-prescribed benzodiazepine
n = 90/5,162 UDTs
%
Dilute
n = 258/5,420 UDTs
%
Gender
 Female 59.7 29.0 12.1 7.9 5.2 0.6 1.7 6.2
 Male 40.3 32.9 12.7 15.3 5.4 0.5 1.8 2.7
Age, years
 20–44 13.8 41.8 18.4 18.0 9.3 1.4 1.7 4.9
 45–64 58.6 33.4 13.1 13.2 5.0 0.4 2.1 4.8
 65+ 27.5 18.9 7.4 2.6 3.9 0.4 1.1 4.7
Race
 White 84.6 29.5 11.4 10.3 4.8 0.5 1.8 5.1
 African-American 4.0 34.4 15.0 16.0 9.4 0.9 0.5 0.9
 Other 7.7 37.3 19.1 11.6 6.6 1.5 1.3 4.6
 Missing 3.8 37.9 15.6 17.3 8.7 0 2.5 1.9
Ethnicity
 Non-Hispanic 92.3 30.2 12.1 10.5 5.2 0.6 1.7 4.9
 Hispanic 3.7 33.2 12.2 13.2 5.0 0 2.5 2.5
 Missing 3.9 38.0 17.1 18.8 7.1 0 2.4 2.8
Mental health diagnosis
 No 44.7 29.2 11.5 10.7 5.1 0.6 1.2 4.5
 Yes 55.3 31.7 12.9 11.1 5.4 0.5 2.2 5.0
Alcohol use disorder diagnosis
 No 93.3 30.5 12.1 10.9 5.4 0.5 1.7 4.9
 Yes 6.7 31.1 14.5 12.2 3.9 0.9 2.3 3.3
Substance use disorder diagnosis
 No 86.6 29.6 11.9 10.1 5.1 0.5 1.6 4.8
 Yes 13.5 37.0 14.8 16.7 6.6 1.3 2.4 4.5
Current smoker
 No 69.9 27.0 11.4 8.2 5.1 0.4 1.5 4.3
 Yes 30.1 38.8 14.4 17.5 5.6 0.9 2.2 6.0
Opioid daily MED
 <40 mg 59.9 33.5 17.0 11.0 4.9 0.7 1.4 4.5
 40–< 120 mg 28.6 26.1 6.6 11.0 5.3 0.5 2.0 4.6
 120+ mg 11.5 26.7 2.3 10.3 7.1 0.3 3.1 6.4
Days’ supply
 Less than daily 20.4 32.1 16.0 12.3 3.7 0.4 1.6 3.4
 Daily/near-daily 52.3 30.4 12.3 10.3 5.4 0.6 1.7 5.0
 Excessive 27.3 29.8 9.6 11.2 6.1 0.6 1.9 5.2
Opioid type
 Short-acting only 63.3 34.1 17.2 11.2 5.2 0.6 1.5 4.7
 Long-acting only 9.9 24.9 4.2 10.2 5.6 0.4 2.2 5.0
 Long-acting plus short-acting 26.9 24.5 4.1 10.7 5.3 0.5 2.1 4.7

UDT urine drug test, THC tetrahydrocannabinol, MED morphine-equivalent dose

* Percentage of all 5,420 UDTs. For example, among the 5,420 UDTs, 59.7 % were for females.

Percentages are based on UDTs for each subgroup. For example, among UDTs for females, 29 % had an aberrant result.