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Evaluating a Tool for Assessment of Adjustment Disorder in the U.S. Military: The Adjustment Disorder–New Module 20 for Military (ADNM‐20‐MIL).

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Title: Evaluating a Tool for Assessment of Adjustment Disorder in the U.S. Military: The Adjustment Disorder–New Module 20 for Military (ADNM‐20‐MIL).
Authors: Bajjani‐Gebara, Jouhayna (AUTHOR), Wasserman, Joan (AUTHOR), King, David (AUTHOR), Kegel, Jessica (AUTHOR), Landoll, Ryan R. (AUTHOR), Clark, Madison F. (AUTHOR), Keller, Margaux F. (AUTHOR)
Source: International Journal of Methods in Psychiatric Research. Mar2026, Vol. 35 Issue 1, p1-13. 13p.
Subjects: Adjustment disorders, United States armed forces, Test reliability, Psychological tests, Mental health services, Psychometrics, Factor analysis
Geographic Terms: United States
Abstract: Objectives: Adjustment disorder (AjD) is a highly prevalent diagnosis in the U.S. military. Psychometric evaluation of the AjD assessment tool, the Adjustment Disorder New Module‐Military (ADNM‐20‐MIL), improves the accuracy of AjD assessment for military service members. Methods: This study investigated the internal reliability, convergent, and divergent validity of the ADNM‐20‐MIL as well as its factor structure. U.S. active duty service members (N = 149) with and without a recent AjD diagnosis completed the ADNM‐20‐MIL, Depression Anxiety Stress Scales 21 (DASS‐21), Posttraumatic Stress Disorder Checklist for DSM‐5 (PCL‐5), and General Well‐Being Schedule (GWB). Results: ADNM‐20‐MIL scores were significantly worse in the AjD‐positive group; there were no AjD severity differences by sex, military rank, or past recent deployment status. The ADNM‐20‐MIL demonstrated robust internal reliability (Cronbach's α = 0.96, 95% CI [0.95–0.97]). It had strong positive associations with with the PCL‐5 (rs (145) = 0.81, p < 0.001) and the DASS‐21 (rs (146) = 0.83, p < 0.001), indicating convergent validity; and moderately negative associations with the GWB subdomains that reflect positive health (rs ranging from −0.5 to −0.63), p < 0.001, indicating divergent validity. Confirmatory Factor Analysis indicated a unidimensional structure for AjD symptoms. Conclusions: Longitudinal studies are needed to evaluate the effectiveness of the ADNM‐20‐MIL in assessing the trajectory of AjD in the military. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Methods in Psychiatric Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Evaluating a Tool for Assessment of Adjustment Disorder in the U.S. Military: The Adjustment Disorder–New Module 20 for Military (ADNM‐20‐MIL).
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Bajjani‐Gebara%2C+Jouhayna%22&quot;&gt;Bajjani‐Gebara, Jouhayna&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Wasserman%2C+Joan%22&quot;&gt;Wasserman, Joan&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22King%2C+David%22&quot;&gt;King, David&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kegel%2C+Jessica%22&quot;&gt;Kegel, Jessica&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Landoll%2C+Ryan+R%2E%22&quot;&gt;Landoll, Ryan R.&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Clark%2C+Madison+F%2E%22&quot;&gt;Clark, Madison F.&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Keller%2C+Margaux+F%2E%22&quot;&gt;Keller, Margaux F.&lt;/searchLink&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22International+Journal+of+Methods+in+Psychiatric+Research%22&quot;&gt;International Journal of Methods in Psychiatric Research&lt;/searchLink&gt;. Mar2026, Vol. 35 Issue 1, p1-13. 13p.
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Adjustment+disorders%22&quot;&gt;Adjustment disorders&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22United+States+armed+forces%22&quot;&gt;United States armed forces&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Test+reliability%22&quot;&gt;Test reliability&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Psychological+tests%22&quot;&gt;Psychological tests&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Mental+health+services%22&quot;&gt;Mental health services&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Psychometrics%22&quot;&gt;Psychometrics&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Factor+analysis%22&quot;&gt;Factor analysis&lt;/searchLink&gt;
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objectives: Adjustment disorder (AjD) is a highly prevalent diagnosis in the U.S. military. Psychometric evaluation of the AjD assessment tool, the Adjustment Disorder New Module‐Military (ADNM‐20‐MIL), improves the accuracy of AjD assessment for military service members. Methods: This study investigated the internal reliability, convergent, and divergent validity of the ADNM‐20‐MIL as well as its factor structure. U.S. active duty service members (N = 149) with and without a recent AjD diagnosis completed the ADNM‐20‐MIL, Depression Anxiety Stress Scales 21 (DASS‐21), Posttraumatic Stress Disorder Checklist for DSM‐5 (PCL‐5), and General Well‐Being Schedule (GWB). Results: ADNM‐20‐MIL scores were significantly worse in the AjD‐positive group; there were no AjD severity differences by sex, military rank, or past recent deployment status. The ADNM‐20‐MIL demonstrated robust internal reliability (Cronbach&#39;s α = 0.96, 95% CI [0.95–0.97]). It had strong positive associations with with the PCL‐5 (rs (145) = 0.81, p &lt; 0.001) and the DASS‐21 (rs (146) = 0.83, p &lt; 0.001), indicating convergent validity; and moderately negative associations with the GWB subdomains that reflect positive health (rs ranging from −0.5 to −0.63), p &lt; 0.001, indicating divergent validity. Confirmatory Factor Analysis indicated a unidimensional structure for AjD symptoms. Conclusions: Longitudinal studies are needed to evaluate the effectiveness of the ADNM‐20‐MIL in assessing the trajectory of AjD in the military. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: &lt;i&gt;Copyright of International Journal of Methods in Psychiatric Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1002/mpr.70063
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 1
    Subjects:
      – SubjectFull: Adjustment disorders
        Type: general
      – SubjectFull: United States armed forces
        Type: general
      – SubjectFull: Test reliability
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      – SubjectFull: Psychological tests
        Type: general
      – SubjectFull: Mental health services
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      – SubjectFull: Factor analysis
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      – SubjectFull: United States
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      – TitleFull: Evaluating a Tool for Assessment of Adjustment Disorder in the U.S. Military: The Adjustment Disorder–New Module 20 for Military (ADNM‐20‐MIL).
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            NameFull: Bajjani‐Gebara, Jouhayna
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              Text: Mar2026
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