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Table 3 The results of CFA for Different Groups (N = 367)

From: Revisiting the structure of the Yale Global Tic Severity Scale (YGTSS) in a sample of Chinese children with tic disorders

Model

Variable

Younger Group

Older Group

Male Group

Female Group

Total

Two-factor model

CFI

0.969

0.967

0.972

0.952

0.972

TLI

0.959

0.956

0.963

0.937

0.963

AIC

5537.337

1759.21

5881.455

1418.627

7326.45

BIC

5547.373

1743.766

5892.143

1400.834

7341.837

RMSEA

0.088

0.089

0.081

0.12

0.083

SRMR

0.036

0.052

0.038

0.066

0.034

Three-factor model

CFI

0.962

0.949

0.963

0.935

0.962

TLI

0.951

0.934

0.951

0.915

0.95

AIC

7143.35

2300.536

7651.142

1842.883

9518.982

BIC

7154.82

2282.886

7739.466

1822.548

9536.568

RMSEA

0.088

0.1

0.085

0.127

0.088

SRMR

0.041

0.059

0.043

0.071

0.04

  1. Note: CFI Comparative Fit Index, TLI Tucker-Lewis Index, AIC Akaike, BIC Sample-size adjusted Bayesian, RMSEA Root Mean Square Error of Approximation, SRMR Standardized Root Mean Square Residual, ICC Inter-correlation Coefficient