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Table 3 Fit statistics for invariance configural models tested using the alignment method across 8 conflict-affected districts

From: Measurement invariance of the Hopkins Symptoms Checklist: a novel multigroup alignment analytic approach to a large epidemiological sample across eight conflict-affected districts from a nation-wide survey in Sri Lanka

 

Configural models

Alignment setting

No. of parameters

Log

AIC

BIC

1

Two-factor

Fixed

615

−18271.02

37772.04

42105.44

2

Three-factor

Fixed

623

−18901.53

39049.06

43438.93

  1. Log loglikelihood, AIC Akaike, BIC Bayesian Information Criteria. Note: We tested a three-model based on the tripartite model proposed by Clark and Watson (1991) including the core constellations of anxiety-depressive symptoms and an additional domain of non-specific symptoms (insomnia, fatigue, restlessness, weakness, feeling tense). Models 1 and 2 tested using FREE method (all factor means were freely estimated) were poorly identified and therefore FIXED method (with Putalam fixed as the reference category) was used to estimate the model