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Chapter 19 Methods Appendix GAIN Coordinating Center (11/21/2012). Normal, IL: Chestnut Health Systems. November 2012. Available from www.gaincc.org/slideswww.gaincc.org/slides.

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Presentation on theme: "Chapter 19 Methods Appendix GAIN Coordinating Center (11/21/2012). Normal, IL: Chestnut Health Systems. November 2012. Available from www.gaincc.org/slideswww.gaincc.org/slides."— Presentation transcript:

1 Chapter 19 Methods Appendix GAIN Coordinating Center (11/21/2012). Normal, IL: Chestnut Health Systems. November Available from Created for: Substance Abuse and Mental Health Services Administration’s (SAMHSA) Center for Substance Abuse Treatment (CSAT) under contract number

2 2 Methods Appendix  This section provides an overview of methodological issues including: –Administration times –Follow-up rates, –Months to last follow-ups, –Number of follow-ups, –Instrument fidelity.

3 3 Administration Times  ‘Core Only’ administration refers to records where the participant was asked only the required GAIN items and none of the optional items.  ‘Core + Optional’ (Full) administration refers to records where the participant was asked all required and optional GAIN items. This version includes recommended and treatment items for a broader clinical picture.  ‘Total’ indicates the combination of both the records that used a core with the records that used the full.  Approximately 8% of cases could not be designated as a Full or a Core only administration.  Less than 1% were missing data on interview duration.

4 4 Administration Times Core OnlyCore + OptionalTotal Number of records (sites)10,691 (127)16,870 (206)29,715 (230) Average Minutes % Confidence Interval (in minutes)87 to to to 103 St. Deviation (in minutes) Skew Percentiles 5% % % % % SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,715)

5 5 Valid N for Core and Optional Items  The number of cases available for analysis will vary depending upon whether the item of interest is a an optional or required (Core) item.  The following slides show the number and breakout characteristics of cases available when the item of interest is Optional or Core. –Optional items: Only those that opted to fill out a full version of the GAIN will have valid answers to optional items, so optional items will have a lower number of valid responses. –Required/Core items: Every record should have a valid answer for a required item, so core items will include all records in the SAMHSA/CSAT Data Set.

6 6 Valid N for Core and Optional Items – 1 Optional ItemsCore Items N13,57529,782 Number of sites Start date-End date6/ /2011 GenderFemale29%27% Race African American18%16% Hispanic22%29% Other4% Caucasian43%38% Multi-Racial12%13% Age Young Adolescent (<15)12%14% Older Adolescent (15-17)60%64% Young Adult (18-25)15%13% Older Adult (26+)12%9% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,782)

7 7 Valid N for Core and Optional Items - 2 Optional ItemsCore Items Level of Care EI/OP70%71% IOP16%13% CC-OP5%7% M-LTR8% STR1% Treatment Type MET/CBT38%35% Other EBTx12%11% A-CRA/ACC24%28% Other18% Local Manualized Tx9%7% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,782)

8 8 Valid N for Core and Optional Items - 3 Optional ItemsCore Items Program Other3%4% TCE7%10% EAT21%22% DC3%6% AAFT15%19% SCY10%8% ATDC7%4% ORP13%8% YORP8% CYT3%2% ART3%6% ATM7%5% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,782)

9 9 Valid N for Core and Optional Items - 4 Optional ItemsCore Items Homeless Risk Housed73%75% Group/Institution12%11% At Risk for Homelessness10% Currently Homeless5%4% Mental Health Disorders Neither40%37% Externalizing Only19%21% Internalizing Only10%9% Both31%33% Substance Severity No Past Year Use1% Past Year Use24%22% Past Year Abuse30%29% Past Year Dependence46%47% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,782)

10 10 Valid N for Core and Optional Items - 5 Optional ItemsCore Items Intensity of Justice System Involvement PY illegal activity/SA use 15% Past arrest/CJ status 6% Other CJ status 12% Other prob/parole/deten 16%15% Prob/parole 14+ days 20%22% Drug Court 11% Deten/jail days 4%5% Deten/jail 30+ days 16%14% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,782)

11 11 Valid N for Core and Optional Items - 6 Optional ItemsCore Items Victim- ization Low Severity36%35% Moderate Severity19% High Severity46% Crime and Violence Low Crime44%41% Moderate Crime34%24% High Crime32%35% Health Prob- lems Low Problems57%54% Moderate Problems34%37% High Problems9% SAMHSA 2011 GAIN Summary Analytic Data Set (n = 29,590)

12 12 Follow Up Rates* SAMHSA 2011 GAIN Summary Analytic Data Set *Of those due for that follow-up

13 13 Follow Up Rates* by Age *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

14 14 Follow Up Rates* by Gender *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

15 15 Follow Up Rates* by Race *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

16 16 Follow Up Rates* by Substance Use Severity *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

17 17 Follow Up Rates* by Risk of Homelessness *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

18 18 Follow Up Rates* by Severity of Victimization *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

19 19 Follow Up Rates* by Mental Health Disorders *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

20 20 Follow Up Rates* by Health Problems *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

21 21 Follow Up Rates* by Crime and Violence *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

22 22 Follow Up Rates* by Intensity of Justice System Involvement *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

23 23 Follow Up Rates* by Program *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

24 24 Follow Up Rates* by Level of Care *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

25 25 Follow Up Rates* by Type of Treatment *Of those due for that follow-up SAMHSA 2011 GAIN Summary Analytic Data Set

26 26 Average Number of Follow Ups & Months to Last Wave by Gender SAMHSA 2011 GAIN Summary Analytic Data Set

27 27 Average Number of Follow Ups & Months to Last Wave by Age SAMHSA 2011 GAIN Summary Analytic Data Set

28 28 Average Number of Follow Ups & Months to Last Wave by Race SAMHSA 2011 GAIN Summary Analytic Data Set

29 29 Average Number of Follow Ups & Months to Last Wave by Substance Use Severity SAMHSA 2011 GAIN Summary Analytic Data Set

30 30 Average Number of Follow Ups & Months to Last Wave by Risk of Homelessness SAMHSA 2011 GAIN Summary Analytic Data Set

31 31 Average Number of Follow Ups & Months to Last Wave by Severity of Victimization SAMHSA 2011 GAIN Summary Analytic Data Set

32 32 Average Number of Follow Ups & Months to Last Wave by Mental Health Disorders SAMHSA 2011 GAIN Summary Analytic Data Set

33 33 Average Number of Follow Ups & Months to Last Wave by Health Problems SAMHSA 2011 GAIN Summary Analytic Data Set

34 34 Average Number of Follow Ups & Months to Last Wave by Crime and Violence SAMHSA 2011 GAIN Summary Analytic Data Set

35 35 Average Number of Follow Ups & Months to Last Wave by Intensity of Justice Involvement SAMHSA 2011 GAIN Summary Analytic Data Set

36 36 Average Number of Follow Ups & Months to Last Wave by Program SAMHSA 2011 GAIN Summary Analytic Data Set

37 37 Average Number of Follow Ups & Months to Last Wave by Level Of Care SAMHSA 2011 GAIN Summary Analytic Data Set

38 38 Average Number of Follow Ups & Months to Last Wave by Type of Treatment SAMHSA 2011 GAIN Summary Analytic Data Set

39 39 GAIN Administration Fidelity Index (GAFI) SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,482) *Proportional sum of 7 items

40 40 GAFI by Gender SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,475)

41 41 GAFI by Age SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,482)

42 42 GAFI by Race SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,468)

43 43 GAFI by Substance Use Severity SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,207)

44 44 GAFI by Risk of Homelessness SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,362)

45 45 GAFI by Severity of Victimization SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,454)

46 46 GAFI by Mental Health Disorders SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,451)

47 47 GAFI by Health Problems SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,289)

48 48 GAFI by Crime and Violence SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,460)

49 49 GAFI by Intensity of Justice System Involvement SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,404)

50 50 GAFI by Program SAMHSA 2011 GAIN Summary Analytic Data Set (n=19,482)

51 51 GAFI by Level of Care SAMHSA 2011 GAIN Summary Analytic Data Set (n=18,684)

52 52 GAFI by Type of Treatment SAMHSA 2011 GAIN Summary Analytic Data Set (n=18,907)

53 53 Summary of Psychometrics  Normative psychometric data and basic demographic information for GAIN scales and data sets (mean, N, standard deviation, Cronbach's alpha and intraclass correlations are available at ublications/Resources/GAIN-I_Norms.xls ublications/Resources/GAIN-I_Norms.xls –This file is broken up into separate worksheets for all records, Adolescents (age 12-17), Young Adults (age 18-25), and Adults (age 18 and higher). –Within each age category, demographics are presented first, followed by overall norms and ICC including across follow-up waves, then intake norms by each of the three main demographic categories of gender, race and age.

54 54 Accessing GAIN Data  Access to the de-identified pooled SAMHSA/CSAT data set is available through request.  For more information regarding how to request data and what you will need please visit  Summary of what is needed: –Data Sharing Agreement (see DSA Decision Tree at ons/Analysis_Publication/DSA_Decision_Tree.pdf) ons/Analysis_Publication/DSA_Decision_Tree.pdf –A page abstract (see Access training memo at ons/Analysis_Publication/Access.pdf) ons/Analysis_Publication/Access.pdf  For help please contact


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