Skip to main content
. Author manuscript; available in PMC: 2022 Feb 24.
Published in final edited form as: J Addict Dis. 2019 May 14;37(3-4):111–122. doi: 10.1080/10550887.2019.1609336

Table 3.

Substance Use Characteristics for the Full Sample and Subset of Interviewees

Overall Sample (N=125) Interview Sample (N=30) Tests for Difference
N Percent N Percent Chi-Sq p<ChiSq
PRESCRIPTION OPIOID MISUSE
Last prescription opioid misuse 1.30 0.523
 Within past 30 days 27 21.6 4 13.3
 More than 30 days ago but within past 12 months 50 40.0 12 40.0
 More than 12 months ago 42 33.6 11 36.7
 Never misused Rx opioid 6 4.8 3 10.0

Among those who ever misused Rx opioids N=119 N=27
Age at first Rx opioid misuse 2.92 0.404
 Under 18 35 29.4 7 25.9
 18 to 25 54 45.4 15 55.6
 Older than 25 28 23.5 4 14.8
 Unknown 2 1.7 1 3.7
Ways ever misused Rx opioidsa
 Consumed tablet or capsule orally 103 86.6 23 85.2 0.06 0.813
 Smoked 19 16.0 4 14.8 0.03 0.853
 Intranasal 92 77.3 19 70.4 0.96 0.327
 Transdermal (fentanyl patch) 30 25.4 5 18.5 0.88 0.348
 Injected with needle 32 26.9 7 25.9 0.02 0.898
How did R obtain Rx opioids very first time ever misused? 8.16 0.148
 Prescribed to respondent by physician or other HCP 46 38.7 7 25.9
 Given to respondent by friend or family member 45 37.8 15 55.6
 Respondent purchased or stole from friend/family member 22 18.5 3 11.1
 Purchased from dealer/stranger or some other way 6 5.0 2 7.4

Among those reporting Rx opioid misuse in past 12 months N=77 N=15
Sources for obtaining Rx opioids in past 12 monthsa
 Prescribed by one or more doctors 36 46.8 9 60.0 1.20 0.274
 From a friend or family member (given, purchased, or stolen) 56 72.7 11 73.3 0.00 0.973
 Did a favor for someone or traded something for the Rx opioids 21 27.3 5 33.3 0.30 0.582
 Purchased from dealer/stranger 37 48.1 7 46.7 0.03 0.862
 Some other way 7 9.1 0 0.0 1.90 0.169

Among those reporting Rx opioid misuse in past 30 days N=27 N=4
Frequency of Rx opioid misuse in past 30 days 3.18 0.365
 Every day 4 14.8 1 25.0
 A few times a week 6 22.2 2 50.0
 About once a week 4 14.8 0 0.0
 Once or twice 13 48.2 1 25.0

HEROIN USE
Last heroin use 1.41 0.494
 Within past 30 days 68 54.4 18 60.0
 More than 30 days ago but within past 12 months 35 28.0 9 30.0
 More than 12 months ago 4 3.2 0 0.0
 Never used heroin 18 14.4 27 10.0

Among those who ever used heroin N=107 N=27
Age at first heroin use 3.89 0.273
 Under 18 15 14.0 4 14.8
 18 to 25 52 48.6 17 62.9
 Older than 25 39 36.5 6 22.2
 Unknown 1 0.9 0 0
Ways ever used heroina
 Smoked 29 27.1 6 22.2 0.44 0.509
 Intranasal 96 89.7 24 88.9 0.03 0.869
 Injected with needle 79 73.8 20 74.1 0.00 0.974
How did R obtain heroin very first time ever used? 3.09 0.543
 Given to respondent by friend, family member, or someone they knew well 66 61.7 19 70.4
 Respondent purchased or stole from friend/family member, or someone they knew well 14 13.1 4 14.8
 Purchased from dealer 23 21.5 4 14.8
 Some other way 4 3.7 0 0.0

Among those reporting heroin use in past 12 months N=103 N=27
Sources for obtaining heroin in past 12 monthsa
 From a friend or family member (given, purchased, or stolen) 71 68.9 18 66.7 0.09 0.767
 Did a favor for someone or traded something for the Rx opioids 47 45.6 13 48.2 0.09 0.760
 Purchased from dealer/stranger 89 86.4 23 85.2 0.05 0.829
 Some other way 2 1.9 1 3.7 0.60 0.440

Among those reporting heroin in past 30 days N=68 N=18
Frequency of heroin use in past 30 days 0.70 0.873
 Every day 33 48.5 8 44.4
 A few times a week 22 32.4 6 33.3
 About once a week 5 7.4 1 5.6
 Once or twice 8 11.8 3 16.7

Among those reporting both heroin use and Rx opioid misuse (ever) N=101 N=24
Which did respondent use first? 3.98 0.137
 Used Rx opioids first 82 81.2 17 70.8
 Used heroin first 17 16.8 5 20.8
 Started using both around the same time 1 1.0 1 4.2
 Unknown 1 1.0 1 4.2

Among those reporting either heroin use or Rx opioid misuse in past 30 days N=79 N=19
Use of other substances in the past 30 daysa
 Alcohol 50 63.3 10 52.6 2.49 0.288
 Marijuana 41 51.9 7 36.8 8.99 0.029
 Powder Cocaine 33 41.8 6 31.6 2.25 0.523
 Crack Cocaine 33 41.8 7 36.8 3.61 0.307
 Methamphetamine 16 20.3 4 21.1 0.13 0.989
 Rx Sedative or Tranquilizer Misuse 34 43.0 8 42.1 0.94 0.817
 Rx Stimulant Misuse 7 8.9 3 15.8 1.53 0.676
Any of these substances in the past 30 days 75 94.9 17 89.5 1.55 0.213

Note: Chi-Square tests compare the survey+interview sample to the survey-only sample; two-tailed tests

a

Percentages exceed 100 because respondents were asked to select all that apply