Examining Substance Use Disorder Treatment Demand and Provider Capacity in a Changing Health Care System: Initial Findings Report. Appendix A. NSDUH Substance Use Disorder Prevalence Trends, 2002-2013

09/30/2015

TABLE A.1. Trends in Illicit Drug Use in Past Year among Persons Age 12 and Over, 2002-2013
(numbers in thousands)
Past Year Illicit Drug Use 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Illicit drugs1 35,132b 34,993b 34,807b 35,041b 35,810b 35,789b 35,643b 38,123b 38,908b 38,287b 41,479 41,591
Marijuana and Hashish 25,755b 25,231b 25,451b 25,375b 25,432b 25,136b 25,891b 28,688b 29,301b 29,739b 31,513 32,952
Cocaine 5,902b 5,908b 5,658b 5,523b 6,075b 5,748b 5,283b 4,806a 4,533 3,857 4,671 4,182
   Crack 1,554b 1,406b 1,304b 1,381b 1,478b 1,452b 1,113b 1,008b 885a 625 921a 632
Heroin 404b 314b 398b 379b 560 373b 455a 582 621 620 669 681
Hallucinogens 4,749 3,936a 3,878a 3,809a 3,970 3,759b 3,670b 4,536 4,543 4,069 4,306 4,430
   LSD 999 558b 592b 563b 667b 621b 808b 790b 881a 880a 1,057 1,111
   PCP 235b 219b 210b 164a 187a 139 99 125 96 119 172a 90
   Ecstasy 3,167b 2,119a 1,915b 1,960b 2,138a 2,122a 2,116b 2,804 2,653 2,422 2,610 2,588
Inhalants 2,084b 2,075b 2,255b 2,187b 2,219b 2,085b 2,065b 2,109b 2,048b 1,861a 1,693 1,533
Non-medical Use of Psychotherapeutics2,3 14,795 15,163 14,849 15,346 16,482a 16,334 15,190 16,064 16,051 14,657 16,666a 15,348
Pain Relievers 10,992 11,671 11,256 11,815 12,650b 12,517b 11,916 12,450b 12,242a 11,143 12,489b 11,082
   OxyContin® -- -- 1,213 1,226 1,324 1,427 1,462 1,685 1,879b 1,623 1,477 1,442
Tranquilizers 4,849 5,051 5,068 5,249 5,066 5,293 5,099 5,493 5,583 5,109 6,073a 5,269
Stimulants3 3,380 3,031a 3,254 3,088 3,789 2,994a 2,648b 3,093 2,902a 2,700b 3,317 3,492
   Methamphetamine3 1,755b 1,602b 1,808b 1,603b 1,885b 1,345 854a 1,167 959 1,033 1,155 1,186
Sedatives 981a 831 737 750 927a 864 626 816 906a 526 590 639
Illicit drugs other than marijuana1 20,423 20,305 19,658 20,109 21,262a 21,205a 20,018 21,077 20,625 18,959 21,267a 19,868
SOURCE: Estimates and text obtained from SAMHSA 2015a, Table 7.2A.
NOTES:
  1. Difference between estimate and 2013 estimate is statistically significant at the 0.05 level.
  2. Difference between estimate and 2013 estimate is statistically significant at the 0.01 level.
  1. Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically. The estimates for Non-medical Use of Psychotherapeutics, Stimulants, and Methamphetamine incorporated in these summary estimates do not include data from new methamphetamine items added in 2005 and 2006.
  2. Non-medical use of prescription-type psychotherapeutics includes the non-medical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
  3. Estimates of Non-medical Use of Psychotherapeutics, Stimulants, and Methamphetamine in the designated rows include data from new methamphetamine items added in 2005 and 2006 and are not comparable with estimates presented in NSDUH reports prior to the 2007 National Findings report. For the 2002-2005 survey years, a Bernoulli stochastic imputation procedure was used to generate adjusted estimates comparable with estimates for survey years 2006 and later.

 

TABLE A.2. Trends in Illicit Drug Use in Past Year among Persons Age 12 and Over, 2002-2013
(percentage)
  2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Illicit drugs1 14.9a 14.7b 14.5b 14.4b 14.6b 14.4b 14.3b 15.1a 15.3 14.9b 16 15.9
Marijuana and Hashish 11.0b 10.6b 10.6b 10.4b 10.3b 10.1b 10.4b 11.4b 11.6b 11.5b 12.1 12.6
Cocaine 2.5b 2.5b 2.4b 2.3b 2.5b 2.3b 2.1b 1.9b 1.8 1.5 1.8 1.6
   Crack 0.7b 0.6b 0.5b 0.6b 0.6b 0.6b 0.4b 0.4b 0.3a 0.2 0.4a 0.2
Heroin 0.2a 0.1b 0.2b 0.2b 0.2 0.2b 0.2a 0.2 0.2 0.2 0.3 0.3
Hallucinogens 2.0b 1.7 1.6 1.6 1.6 1.5 1.5a 1.8 1.8 1.6 1.7 1.7
   LSD 0.4 0.2b 0.2b 0.2b 0.3b 0.3b 0.3b 0.3b 0.3 0.3a 0.4 0.4
   PCP 0.1b 0.1b 0.1b 0.1b 0.1a 0.1 0.0 0.0 0.0 0.0 0.1a 0.0
   Ecstasy 1.3b 0.9 0.8a 0.8a 0.9 0.9 0.8a 1.1 1.0 0.9 1.0 1.0
Inhalants 0.9b 0.9b 0.9b 0.9b 0.9b 0.8b 0.8b 0.8b 0.8b 0.7a 0.7 0.6
Non-medical Use of Psychotherapeutics2,3 6.3 6.4a 6.2 6.3a 6.7b 6.6b 6.1 6.4a 6.3a 5.7 6.4a 5.8
Pain Relievers 4.7a 4.9b 4.7a 4.9b 5.1b 5.1b 4.8b 4.9b 4.8b 4.3 4.8b 4.2
   OxyContin® -- -- 0.5 0.5 0.5 0.6 0.6 0.7 0.7b 0.6 0.6 0.5
Tranquilizers 2.1 2.1 2.1 2.2 2.1 2.1 2.0 2.2 2.2 2.0 2.3a 2.0
Stimulants3 1.4 1.3 1.4 1.3 1.5a 1.2 1.1b 1.2 1.1a 1.0b 1.3 1.3
   Methamphetamine3 0.7b 0.7b 0.8b 0.7b 0.8b 0.5 0.3a 0.5 0.4 0.4 0.4 0.5
Sedatives 0.4b 0.3a 0.3 0.3 0.4a 0.3a 0.3 0.3 0.4a 0.2 0.2 0.2
Illicit drugs other than marijuana1 8.7b 8.5b 8.2a 8.3b 8.6b 8.6b 8.0 8.4b 8.1a 7.4 8.2a 7.6
SOURCE: Estimates and text obtained from SAMHSA 2015a, Table 7.2B.
NOTES:
  1. Difference between estimate and 2013 estimate is statistically significant at the 0.05 level.
  2. Difference between estimate and 2013 estimate is statistically significant at the 0.01 level.
  1. Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically. The estimates for Non-medical Use of Psychotherapeutics, Stimulants, and Methamphetamine incorporated in these summary estimates do not include data from new methamphetamine items added in 2005 and 2006.
  2. Non-medical use of prescription-type psychotherapeutics includes the non-medical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.
  3. Estimates of Non-medical Use of Psychotherapeutics, Stimulants, and Methamphetamine in the designated rows include data from new methamphetamine items added in 2005 and 2006 and are not comparable with estimates presented in NSDUH reports prior to the 2007 National Findings report. For the 2002 through 2005 survey years, a Bernoulli stochastic imputation procedure was used to generate adjusted estimates comparable with estimates for survey years 2006 and later.

 

TABLE A.3. Trends in Past Month Alcohol Use among Persons Age 12 and Over, 2002-2013
  2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Number in thousands
All 119,820b 118,965b 120,934b 126,028b 125,360b 126,865b 128,884b 130,642b 131,374b 133,385a 135,502 136,868
Binge Alcohol Use1 53,787b 53,770b 54,725b 55,090b 56,680b 57,858 58,368 59,690 58,535 58,341 59,685 60,064
Heavy Alcohol Use1 15,860 16,144 16,689 16,035 16,958 17,023 17,373 17,175 16,899 15,865 17,021 16,541
Percentage
All 51.0a 50.1b 50.3b 51.8 51.0a 51.2 51.6 51.9 51.8 51.8 52.1 52.2
Binge Alcohol Use1 22.9 22.6 22.8 22.7 23.0 23.3 23.4 23.7 23.1 22.6 23.0 22.9
Heavy Alcohol Use1 6.7 6.8a 6.9b 6.6 6.9a 6.9a 7.0b 6.8a 6.7 6.2 6.5 6.3
SOURCE: Estimates and text obtained from SAMHSA 2015a, Table 7.29A and 7.29B.
NOTES:
  1. Difference between estimate and 2013 estimate is statistically significant at the 0.05 level.
  2. Difference between estimate and 2013 estimate is statistically significant at the 0.01 level.
  1. Binge Alcohol Use is defined as drinking 5 or more drinks on the same occasion (that is, at the same time or within a couple of hours of each other) on at least 1 day in the past 30 days. Heavy Alcohol Use is defined as drinking 5 or more drinks on the same occasion on each of 5 or more days in the past 30 days; all heavy alcohol users are also binge alcohol users.

 

TABLE A.4. Substance Dependence or Abuse for Specific Substances in the Past Year among Persons Age 12 or Older, 2002-2013
(numbers in thousands)
  2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Illicit drugs1 7,116 6,835 7,298 6,833 7,024 6,866 7,012 7,114 7,144 6,531 7,312 6,852
Marijuana and Hashish 4,294 4,198 4,469 4,090 4,184 3,941 4,228 4,322 4,505 4,165 4,304 4,206
Cocaine 1,488b 1,515b 1,571b 1,549b 1,665b 1,604b 1,412b 1,108a 1,012 821 1,119 855
Heroin 214b 189b 270b 227b 324a 214b 283b 369 361 426 467 517
Hallucinogens 426b 321 449b 371 380 369 362 373 402a 342 331 277
Inhalants 180 169 233b 221 176 164 175 164 169 141 164 132
Non-medical Use of Psychotherapeutics2,3 2,018 1,923 2,048 1,959 2,036 2,167 2,177 2,297 2,378 2,139 2,597 2,281
   Pain Relievers 1,509a 1,424b 1,388b 1,546a 1,636 1,715 1,715 1,878 1,923 1,768 2,056 1,879
   Tranquilizers 509 435 573 419 403 443 453 476 522 400 629a 423
   Stimulants2 436 378 470 409 388 405 351 380 358 329 535 469
   Sedatives 154 158 128 97 121 154 127 147 162 78 135 99
Alcohol 18,100 17,805 18,654a 18,658a 18,852b 18,687a 18,478a 18,763a 17,967 16,672 17,714 17,298
Both illicit drugs and alcohol1 3,210b 3,054a 3,445b 3,273b 3,215b 3,184b 3,102b 3,243b 2,889 2,598 2,840 2,589
Illicit drugs or alcohol1 22,006 21,586 22,506 22,218 22,661 22,369 22,388 22,634 22,221 20,605 22,187 21,561
SOURCE: Results from the 2013 National Survey on Drug Use and Health: Detailed Tables, Table 7.40A.
NOTES: Dependence or abuse is based on definitions found in the DSM-IV.
  1. Difference between estimate and 2013 estimate is statistically significant at the 0.05 level.
  2. ifference between estimate and 2013 estimate is statistically significant at the 0.01 level.
  1. Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006.
  2. Estimates in these designated rows do not include data from new methamphetamine items added in 2005 and 2006.
  3. Non-medical use of prescription-type psychotherapeutics includes the non-medical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.

 

TABLE A.5. Substance Dependence or Abuse for Specific Substances in the Past Year among Persons Age 12 or Older, 2002-2013
(percentages)
  2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Illicit drugs1 3.0b 2.9a 3.0b 2.8 2.9 2.8 2.8 2.8 2.8 2.5 2.8 2.6
Marijuana and Hashish 1.8a 1.8 1.9b 1.7 1.7 1.6 1.7 1.7 1.8 1.6 1.7 1.6
Cocaine 0.6b 0.6b 0.7b 0.6b 0.7b 0.6b 0.6b 0.4a 0.4 0.3 0.4 0.3
Heroin 0.1b 0.1b 0.1b 0.1b 0.1 0.1b 0.1b 0.1 0.1 0.2 0.2 0.2
Hallucinogens 0.2b 0.1 0.2b 0.2a 0.2a 0.1 0.1 0.1 0.2a 0.1 0.1 0.1
Inhalants 0.1 0.1 0.1b 0.1a 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Non-medical Use of Psychotherapeutics2,3 0.9 0.8 0.9 0.8 0.8 0.9 0.9 0.9 0.9 0.8 1.0 0.9
   Pain Relievers 0.6 0.6 0.6a 0.6 0.7 0.7 0.7 0.7 0.8 0.7 0.8 0.7
   Tranquilizers 0.2 0.2 0.2a 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2a 0.2
   Stimulants2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.2 0.1 0.1 0.2 0.2
   Sedatives 0.1 0.1 0.1 0.0 0.0 0.1 0.1 0.1 0.1 0.0 0.1 0.0
Alcohol 7.7b 7.5b 7.8b 7.7b 7.7b 7.5b 7.4b 7.5b 7.1a 6.5 6.8 6.6
Both illicit drugs and alcohol1 1.4b 1.3b 1.4b 1.3b 1.3b 1.3b 1.2b 1.3b 1.1a 1.0 1.1 1.0
Illicit drugs or alcohol1 9.4b 9.1b 9.4b 9.1b 9.2b 9.0b 9.0b 9.0b 8.8a 8.0 8.5 8.2
SOURCE: Estimates and text obtained from SAMHSA 2015a, Table 7.40B.
NOTES: Dependence or abuse is based on definitions found in the DSM-IV.
  1. Difference between estimate and 2013 estimate is statistically significant at the 0.05 level.
  2. Difference between estimate and 2013 estimate is statistically significant at the 0.01 level.
  1. Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used non-medically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006.
  2. Estimates in these designated rows do not include data from new methamphetamine items added in 2005 and 2006.
  3. Non-medical use of prescription-type psychotherapeutics includes the non-medical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs.

 

TABLE A.6. Comparison of 2011-2012 and 2012-2013 Model-Based Regional and State Prevalence Estimates
State Marijuana Use Past Month Illicit Drug Use Other Than Marijuana Past Month Binge Alcohol Use Past Month Alcohol Dependence or Abuse Past Year Alcohol Dependence Past Year
12+ (2011-2012) 12+ (2012-2013) 12+ (P Value) 12+ (2011-2012) 12+ (2012-2013) 12+ (P Value) 12+ (2011-2012) 12+ (2012-2013) 12+ (P Value) 12+ (2011-2012) 12+ (2012-2013) 12+ (P Value) 12+ (2011-2012) 12+ (2012-2013) 12+ (P Value)
Total US 7.13a 7.40 0.025 3.27 3.36 0.226 22.80 22.92 0.574 6.64 6.70 0.589 3.16 3.18 0.816
 
Northeast 7.72 7.85 0.514 3.17 3.07 0.432 24.64 24.31 0.380 6.87 6.71 0.449 3.11 3.09 0.846
Midwest 6.86 7.09 0.132 3.20 3.12 0.420 25.20 25.54 0.282 6.99 6.78 0.200 3.22 3.18 0.684
South 5.83a 6.13 0.034 3.16a 3.35 0.047 21.48 21.45 0.916 5.95a 6.28 0.028 2.90 3.05 0.138
West 9.01 9.36 0.167 3.57 3.81 0.125 21.24 21.77 0.143 7.24 7.28 0.870 3.57 3.47 0.508
 
Alabama 5.07 4.95 0.719 3.75 3.86 0.731 20.03 21.43 0.122 4.97a 6.18 0.003 2.67a 3.28 0.043
Alaska 12.97 11.89 0.189 3.30 2.96 0.238 23.63 22.10 0.102 8.46a 7.12 0.017 3.61 3.27 0.265
Arizona 7.22 7.88 0.224 3.70 3.89 0.580 21.79 22.99 0.222 6.95 7.18 0.691 3.63 3.44 0.588
Arkansas 5.30 5.69 0.321 3.83 3.75 0.815 20.42 21.02 0.486 5.28 5.57 0.452 2.77 2.95 0.523
California 9.08 8.94 0.695 3.50 3.88 0.106 20.76 21.16 0.451 7.10 7.30 0.530 3.53 3.54 0.946
Colorado 10.41a 12.70 0.001 3.64 3.94 0.385 23.00a 25.51 0.011 8.05 7.54 0.332 4.12b 3.50 0.065
Connecticut 8.44 8.95 0.316 2.92 2.7 0.408 25.70b 23.95 0.084 7.67 7.05 0.248 3.18 3.21 0.919
Delaware 7.49 7.97 0.259 3.77 3.39 0.211 22.91 22.38 0.585 6.94 7.05 0.812 3.16 3.28 0.695
District of Columbia 10.45a 12.01 0.025 4.52a 5.77 0.011 32.57 33.65 0.356 11.71 11.96 0.757 5.62 5.12 0.335
Florida 6.65 7.00 0.255 2.94 3.06 0.476 21.16 20.76 0.482 5.88 6.12 0.450 2.84 2.91 0.735
Georgia 5.96a 7.71 0.000 3.01a 4.08 0.001 19.42 19.76 0.714 5.27 5.51 0.555 2.75 2.74 0.967
Hawaii 7.57b 8.61 0.071 3.60 3.51 0.817 21.85 23.02 0.249 7.27 7.57 0.643 3.46 3.92 0.304
Idaho 5.29 5.53 0.548 3.45a 2.67 0.005 19.90 19.59 0.732 6.70 6.65 0.928 3.17 2.95 0.447
Illinois 7.03 6.95 0.789 2.97 2.83 0.390 25.78 26.59 0.197 7.18a 6.44 0.018 3.39b 3.04 0.094
Indiana 6.20 6.28 0.857 3.96b 3.43 0.068 24.01b 22.29 0.058 6.84 6.98 0.779 3.04 3.12 0.787
Iowa 6.10 5.98 0.761 2.64 2.72 0.743 27.54 26.27 0.213 7.36a 6.21 0.017 3.36 3.01 0.238
Kansas 4.06 4.41 0.316 2.84 2.75 0.750 23.37 24.88 0.108 6.18b 7.06 0.087 2.96 3.41 0.183
Kentucky 5.63 5.35 0.401 3.10 3.17 0.797 22.27 22.04 0.797 5.34 5.92 0.158 2.98 3.09 0.684
Louisiana 4.62 5.07 0.211 3.48b 4.05 0.070 25.06 25.41 0.739 6.61 6.05 0.210 3.21 3.08 0.617
Maine 8.38a 9.95 0.010 3.18 2.81 0.206 21.48 21.58 0.919 6.39 6.36 0.952 3.16 3.35 0.576
Maryland 5.81a 6.94 0.004 2.68b 3.12 0.079 23.05 23.09 0.966 6.09 6.49 0.357 2.78 2.99 0.441
Massachusetts 9.37 9.90 0.373 3.26 3.04 0.402 26.62 25.85 0.450 7.90 7.10 0.123 3.51b 3.03 0.068
Michigan 8.89a 9.71 0.020 3.62 3.53 0.679 24.76 24.33 0.480 7.01 6.85 0.613 3.45 3.30 0.471
Minnesota 6.30 6.21 0.838 2.91b 2.47 0.071 26.90 27.09 0.855 7.37b 6.59 0.099 3.25 3.06 0.488
Mississippi 5.80b 5.10 0.063 3.46 3.63 0.562 20.06 19.86 0.826 5.21 5.82 0.143 2.86 2.99 0.633
Missouri 5.94a 7.10 0.011 2.89 3.13 0.339 23.20 24.37 0.260 6.18 6.67 0.268 2.97 3.13 0.565
Montana 10.45 10.33 0.843 3.26b 2.80 0.083 25.50 25.28 0.823 8.20 8.26 0.925 3.43 3.84 0.256
Nebraska 5.51 5.47 0.913 2.67 2.34 0.185 24.07 23.74 0.736 7.15 7.82 0.197 3.08 3.54 0.149
Nevada 8.36 7.98 0.550 3.49 4.00 0.127 24.15 25.00 0.386 8.70b 7.68 0.084 3.96 3.67 0.442
New Hampshire 8.37a 9.79 0.005 3.47 3.54 0.819 24.02 24.92 0.350 6.79 7.63 0.118 3.11 3.51 0.228
New Jersey 6.05a 5.21 0.033 3.25 2.88 0.160 23.45a 21.55 0.046 6.72 6.62 0.839 2.81 2.84 0.903
New Mexico 9.14 9.04 0.873 3.85 3.74 0.793 21.38a 24.44 0.006 7.28 7.37 0.870 3.26 3.24 0.932
New York 8.24 8.28 0.899 3.02 3.10 0.705 24.22 24.76 0.417 6.56 6.58 0.953 3.11 3.23 0.567
North Carolina 6.49 6.17 0.453 2.88b 3.34 0.074 18.26b 20.02 0.056 4.87a 5.85 0.024 2.36 2.76 0.117
North Dakota 5.15 5.19 0.914 2.39 2.79 0.124 30.37 30.43 0.956 8.69 8.42 0.649 3.47 3.69 0.516
Ohio 7.37 7.60 0.448 3.51 3.61 0.623 24.20 24.81 0.304 6.85 6.43 0.171 3.14 3.01 0.505
Oklahoma 6.04 5.56 0.306 3.70 3.40 0.301 21.78 23.29 0.147 8.16b 7.24 0.099 3.27 3.29 0.956
Oregon 12.16 11.92 0.763 3.81 4.07 0.464 22.39 21.66 0.441 7.53 7.09 0.399 3.87 3.49 0.289
Pennsylvania 6.18 6.46 0.296 3.16 3.14 0.924 24.81 24.96 0.811 6.57 6.48 0.802 3.03 2.87 0.418
Rhode Island 13.00 14.08 0.155 4.70 4.27 0.304 30.11a 27.49 0.022 8.92 8.48 0.464 3.87 3.97 0.775
South Carolina 7.20 6.87 0.461 3.45 3.69 0.421 23.94 22.97 0.315 6.07 5.99 0.863 3.18 3.09 0.770
South Dakota 5.79b 5.03 0.062 2.81 2.44 0.138 28.94a 26.56 0.017 8.68 7.96 0.180 3.67 3.58 0.782
Tennessee 5.41 5.42 0.963 3.42 3.16 0.322 18.04 16.91 0.176 5.79 5.57 0.578 2.88 2.87 0.982
Texas 5.11 5.31 0.389 3.15 3.23 0.650 23.55a 22.39 0.046 6.51 6.67 0.574 3.02 3.17 0.419
Utah 4.41b 5.07 0.056 3.13 3.16 0.900 15.83 16.25 0.614 4.76 5.36 0.123 2.61 2.63 0.942
Vermont 12.86 11.76 0.148 3.74 3.37 0.263 22.86b 21.16 0.063 6.72 6.83 0.841 2.93 3.20 0.398
Virginia 5.54b 6.29 0.053 3.01 2.90 0.657 20.85 22.19 0.135 6.02a 7.39 0.008 3.07 3.46 0.145
Washington 10.21a 12.28 0.001 3.89 4.02 0.705 21.42 20.80 0.479 7.72 7.60 0.805 3.61 3.37 0.414
West Virginia 5.27 5.07 0.613 3.11a 2.45 0.007 19.78 19.44 0.699 5.77 6.06 0.537 2.93 3.06 0.647
Wisconsin 6.69 6.49 0.626 2.85 3.08 0.436 27.42a 29.99 0.032 7.13 7.71 0.294 3.07b 3.62 0.089
Wyoming 5.68 5.82 0.773 2.53 2.25 0.312 23.29 24.41 0.238 7.72 8.13 0.483 3.64 3.90 0.462
SOURCE: Estimates and text obtained from SAMHSA 2015d.
NOTES:
  1. Difference between the 2011-2012 and the 2012-2013 estimate is statistically significant at the 0.10 level.
  2. Difference between the 2011-2012 and the 2012-2013 estimate is statistically significant at the 0.05 level.

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