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GAIN By The Numbers

As of DECEMBER 22, 2023

Current GAIN Users

  • States/Provinces/Territories using the GAIN: 65
  • Countries where the GAIN is used: 16 (Australia, Belgium, Brazil, Canada, China, Great Britain, India, Iran, Japan, Mexico, Pakistan, South Africa, South Korea, Spain, Malaysia, US)
  • Licensed GAIN administrative units: 5,637
  • Certified GAIN Local Trainers (individuals that completed our train the trainer model and can now train and recommend their staff to Chestnut for certification): 1,791
  • Certified GAIN Administrators (individuals from all 50 states and four countries outside the united states have completed certification to administer the GAIN at their agencies; these individuals recorded their GAIN administrations with clients and received feedback and coaching from Chestnut to demonstrate mastery of administration): 3,271
  • Certified GAIN Site Interviewers (individuals who were trained by a local trainer at their own agency): 6,322

GAIN Publications and National Dataset

  • GAIN-related publications: 903 (data through June 30, 2023)
  • GAIN-I related publications: 394 (data through June 30, 2023)
  • GAIN Quick publications: 61 (data through June 30, 2023)
  • GAIN Short Screener publications: 295 (data through June 30, 2023)
  • Sample size in GAIN 2018 data set: 306,940 (13% with 1+ follow up; data through August 31, 2018)
  • Sample size in 2018 GAIN Norms: 306,608 (data through August 31, 2018)

GAIN ABS users

  • Total GAIN ABS agency accounts: 1,623
  • Total GAIN ABS users: 21,466
  • Total records in GAIN ABS: 1,205,507
    • GAIN-I 5.7: 180,582
    • GAIN-M90 5.7: 9,860
    • GAIN-I 5.6: 260,457
    • GAIN-M90 5.6: 56,464
    • GAIN-Q3: 82,267
    • GAIN-Q3 FU: 9,672
    • GAIN-Q2: 188,353
    • GAIN-Q2 FU: 5,427
    • GAIN-SS2: 38,363
    • GAIN-SS3: 292,612
    • GAIN-SS4: 29,470
    • TxSI: 18,654
    • Research Specific: 29,081