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Revisiting the Drinker Inventory of Consequences: An extensive evaluation of psychometric properties in two alcohol clinical trials.

ABSTRACT: Alcohol-related consequences are linked directly to the diagnostic criteria for alcohol use disorder (AUD). However, alcohol consumption outcome variables (e.g., percent days abstinent, heavy drinking days) remain the dominant outcome in AUD treatment research. Two reasons AUD treatment researchers have not shifted to include alcohol-related consequences as a primary outcome may be that previous studies have failed to provide convincing evidence of (1) the psychometric properties of measures of alcohol-related consequences, and (2) whether consequences measures are sensitive to change following treatment. The present study directly addresses these two concerns via psychometric evaluation and sensitivity/specificity testing of the Drinker Inventory of Consequences (DrInC; Miller, Tonigan, & Longabaugh, 1995) in two of the largest multisite clinical trials ever conducted (COMBINE Study, Anton, et al., 2006; and Project MATCH, Project MATCH Research Group, 1997). Results indicated that the five subscales commonly used for the DrInC had poor construct validity and were noninvariant across time. A newly developed three-factor model consisting of mild, moderate, and severe consequences had excellent psychometrics, including good internal consistency reliability, construct validity, and measurement invariance over time. The three-factor model of the DrInC was also sensitive and specific for detecting consumption outcomes in both COMBINE and MATCH and had convergent validity with measures of consumption and wellbeing. In conclusion, the three-factor DrInC may be a useful tool for defining AUD treatment success in a clinically meaningful way that aligns with diagnostic criteria. (PsycINFO Database Record

SUBMITTER: Kirouac M

PROVIDER: S-EPMC5808585 | biostudies-other | 2018 Feb

REPOSITORIES: biostudies-other

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Revisiting the Drinker Inventory of Consequences: An extensive evaluation of psychometric properties in two alcohol clinical trials.

Kirouac Megan M Witkiewitz Katie K

Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors 20180201 1

Alcohol-related consequences are linked directly to the diagnostic criteria for alcohol use disorder (AUD). However, alcohol consumption outcome variables (e.g., percent days abstinent, heavy drinking days) remain the dominant outcome in AUD treatment research. Two reasons AUD treatment researchers have not shifted to include alcohol-related consequences as a primary outcome may be that previous studies have failed to provide convincing evidence of (1) the psychometric properties of measures of ...[more]

PMID: 29419311

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Project description:BackgroundPregnancy is one of the most sensitive and important stages of women's life. Maternal health literacy is the key to achieving a healthy pregnancy. It also affects pregnancy outcomes by improving the quality of health care in this period. The aim of this study was to develop and evaluate the psychometric properties of maternal health literacy inventory in pregnancy (MHELIP).MethodsThis sequential, exploratory and mixed study was carried out in two parts (qualitative study and psychometric evaluation of the tool) in Tehran in 2016-18. The first part involved a qualitative content analysis with a traditional approach using in-depth, semi-structured and personal interviews with 19 eligible pregnant women. Then, the pool of items extracted from the qualitative part was completed by reviewing the existing literature and tools. In the second part, the overlapping items were summarized and the tool was validated. In order to evaluate the construct validity, a cross-sectional study was conducted with the participation of 320 pregnant women. Data analysis was performed by SPSS-19 software using exploratory factor analysis and reliability tests (Cronbach's alpha and ICC).ResultsFindings of qualitative part produced a pool of 120 items that reached to 124 items after reviewing the literature. After confirming face and content validity by calculating CVI and CVR for each item, 53 items remained in the pool. Finally, the results of exploratory factor analysis confirmed a tool with 48 items in four factors, explaining 46.49% of the variance of total variables of the tool. Reliability of the tool was approved by Cronbach's alpha = 0.94 and test-retest with 2-weeks intervals, indicating an appropriate stability for the scale (ICC = 0.96). Finally, the tool was finalized with 48 items in 4 dimensions, including "Maternal Health Knowledge", "Maternal Health Information Search", "Maternal Health Information Assessment" and "Maternal Health Decision Making and Behavior".ConclusionThe designed tool is a multidimensional, reliable and validated scale for assessing maternal health literacy during pregnancy. This tool can be used to evaluate different aspects of maternal health literacy in pregnant women, which was prepared based on their experiences during a qualitative study.

Project description:Millon Clinical Multiaxial Inventory MCMI-III is a multidimensional measure of psychopathology with excellent construct validity, test-retest reliability as well as internal consistency. Factor analysis of the MCMI-III has produced mixed results, extracting parsimonious three-factor solutions, or replicating the original four-factor solution in psychiatric samples from Western countries. However, little work has been done on the psychometric properties of the MCMI-III, using non-Western psychiatric samples. Outpatients (N = 212) completed the MCMI-III during a semi-structured interview. Eight exploratory factor analysis (EFA) methods were used to explore the underlying structure of MCMI-III. Skewness, kurtosis, and descriptive statistics confirmed that scales of MCMI-III were normally distributed. High-internal consistency was found. The eight EFA methods applied to the 24 clinical scales identified a consensual three-factor solution: factor I (internalizing psychopathology; 18 scales), factor II (externalizing psychopathology; 4 scales) and factor III (psychological disturbance; 2 scales), accounting for a total of 72% of the common variance. Regarding the cross-cultural equivalence of the MCMI-III structure, Tucker's congruence coefficient (Φ) was used and confirmed that internalizing (F1) and externalizing psychopathology (F2) factors obtained in this study are similar to high vs. low psychopathology and emotional constraint factors provided by American study of Haddy et al. (2005) (Φ was 0.86 and 0.97). These two factors are also similar to the general adjustment and antisocial acting out factors provided by the American study of Craig and Bivens (1998) (Φ was 0.82 and 0.96). The first two factors in this study also reflect high similarity with the factor solutions obtained with the Italian and Dutch versions of MCMI-III (Rossi et al., 2007; Pignolo et al., 2017). Despite using a psychiatric sample from a non-Western culture, the two factors identified for this MCMI-III Arabic version were similar to those reported on studies with MCMI-III, using primarily Western samples (Craig and Bivens, 1998; Rossi et al., 2007).

Project description:PurposeTo review studies about the reliability and validity of self-reported alcohol consumption measures among adults, an area which needs updating to reflect current research.MethodsDatabases (PUBMED (1966-present), MEDLINE (1946-present), EMBASE (1947-present), Cumulative Index of Nursing and Allied Health Literature (CINAHL) (1937-present), PsycINFO (1887-present) and Social Science Citation Index (1976-present)) were searched systematically for studies from inception to 11th August 2017. Pairs of independent reviewers screened study titles, abstracts and full texts with high agreement and a third author resolved disagreements. A comprehensive quality assessment was conducted of the reported psychometric properties of measures of alcohol consumption using the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) to derive ratings of poor, fair, good or excellent for each checklist item relating to each psychometric property.ResultsTwenty-eight studies met inclusion criteria and, collectively, they investigated twenty-one short-term recall measures, fourteen quantity-frequency measures and eleven graduated-frequency measures. All measures demonstrated adequate/good test-retest reliability and convergent validity. Quantity-frequency measures demonstrated adequate/good criterion validity; graduated-frequency and short-term recall measures demonstrated adequate/good divergent validity. Quantity-frequency measures and short-term recall measures demonstrated adequate/good hypothesis validity; short-term recall measures demonstrated adequate construct validity. Methodological quality varied within and between studies.ConclusionsIt was difficult to discern conclusively which measure was the most reliable and valid given that no study assessed all psychometric properties and the included studies varied in the psychometric properties that they selected to assess. However, when the results from the range of studies were considered and summed, they tended to indicate that the quantity-frequency measure compared to the other two measures performed best in psychometric terms and, therefore, it is likely to produce the most reliable and valid assessment of alcohol consumption in population surveys.

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Revisiting the Drinker Inventory of Consequences: An extensive evaluation of psychometric properties in two alcohol clinical trials.

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Revisiting the Drinker Inventory of Consequences: An extensive evaluation of psychometric properties in two alcohol clinical trials.

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