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Table 4 Sample size adequacy measures of the Severity of Dependence for Khat (SDS-Khat) in polysubstance users

From: Psychometric properties of the severity of the dependence scale for Khat (SDS-Khat) in polysubstance users

Measures

Values

Diagonal element of the anti-image correlation matrix

0.62–0.71

Bartlett’s test of Sphericity

< 0.001

Communalitya

0.30-0.48

Determinant

0.65

Kaiser-Meyer-Olkin Test of Sampling Adequacy (KMO)

0.66

  1. a Initial exploratory factor analysis (EFA) with Principal component analysis extraction for unrotated solution was performed
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BMC Psychiatry

ISSN: 1471-244X

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