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Table 3 Goodness-of fit statistics for the tested models (n = 772)

From: Friendship networks and psychological well-being from late adolescence to young adulthood: a gender-specific structural equation modeling approach

  Goodness-of-fit statistics
  Model 1: Baselinea Model 2: Social causationb Model 3: Social selectionc Model 4: Reciprocald
Males
 RMSEA .016 .017 .018 .018
 CFI .995 .994 .994 .993
 TLI .992 .992 .991 .991
 AIC 12178.444 12179.927 12180.417 12181.908
 BIC 12381.108 12386.565 12387.055 12392.520
 χ2 73.00 72.49 72.99 72.47
df 66 65 65 64
p <.001 <.001 <.001 <.001
 Chi-square difference test
  Comparison with: - Model 1 Model 1 Model 1/Model 2/Model 3
  Change in χ2 - .51 .01 .53/.02/.52
  Change in df - 1 1 2/1/1
   p - .47 .87 .76/.89/.47
Females
 RMSEA .051 .052 .051 .051
 CFI .949 .948 .950 .950
 TLI .929 .928 .931 .929
 AIC 12115.777 12117.570 12114.797 12116.652
 BIC 12316.592 12322.322 12319.549 12325.342
 χ2 131.15 130.95 128.17 128.03
df 66 65 65 64
p <.001 <.001 <.001 <.001
 Chi-square difference test
  Comparison with: - Model 1 Model 1 Model 1/Model 2/Model 3
  Change in χ2 - .20 2.98 3.12/2.92/.14
  Change in df - 1 1 2/1/1
   p - .65 .08 .20/.08/.70
  1. a Only auto-regressive associations and cross-sectional correlations
  2. b Friendship network quality at T1 predicts psychological well-being at T2
  3. c Psychological well-being at T1 predicts friendship network quality at T2
  4. d Friendship network quality and psychological well-being have reciprocal associations