Table 2. Fit indices and invariance indicators for the unifactorial model of the Spanish version of the SOS-6.
| Model | RMSEA | ∆RMSEA | 90% CI RMSEA | CFI | ∆CFI | RMSR | CMIN/DF | df | Rχ2 | ∆Rχ2 | p | |
| Sex (men,women) | 1. Configural | .045 | NA | .029-.062 | . 981 | NA | .046 | 2.549475 | 18 | 98.752 | NA | <.001 |
| 2. Weak | .042 | -.003 | . 028-.057 | .980 | -.001 | .050 | 2.335719 | 23 | 86.904 | -11.848 | <.001 | |
| 3.Strong | .059 | .017 | .047-.072 | .951 | -.029 | .050 | 3.616202 | 28 | 161.896 | 74.992 | <.001 | |
| 4. Strict | .063 | .004 | .052-.075 | .932 | -.019 | .060 | 4.004832 | 34 | 197.855 | 35.959 | <.001 | |
| Age range (18-34, 35-49, ≥50 y/o) | 1. Configural | .041 | NA | .022-.059 | .984 | NA | .082 | 1.833141 | 27 | 102.360 | NA | .005 |
| 2. Weak | .034 | -.007 | . 015-.050 | .984 | 0 | .047 | 1.572391 | 37 | 85.534 | -16.826 | .015 | |
| 3.Strong | .041 | .007 | .027-.054 | .972 | -.012 | .051 | 1.825339 | 47 | 123.757 | 38.223 | <.001 | |
| 4. Strict | .066 | .025 | .055-.076 | .907 | -.065 | .058 | 3.150926 | 59 | 240.897 | 117.14 | <.001 | |
| Relationships (yes, no) | 1. Configural | .045 | NA | .028-.061 | .982 | NA | .104 | 2.483781 | 18 | 82.425 | NA | <.001 |
| 2. Weak | .046 | .001 | .032-.061 | .976 | -.006 | .050 | 2.591452 | 23 | 75.421 | -7.004 | <.001 | |
| 3.Strong | .041 | -.005 | . 027-.054 | .977 | .001 | .051 | 2.236253 | 28 | 78.870 | 3.449 | <.001 | |
| 4. Strict | .037 | -.004 | .024-.049 | .977 | 0 | .054 | 2.011408 | 34 | 79.717 | .847 | <.001 | |
| Education level (University, non-univiersity) | 1. Configural | .046 | NA | . 029-.062 | . 981 | NA | .047 | 2.551575 | 18 | 97.227 | NA | <.001 |
| 2. Weak | .042 | -.004 | .027-.057 | .980 | -.001 | .050 | 2.321813 | 23 | 85.997 | -11.23 | <.001 | |
| 3.Strong | .040 | -.002 | .027-.054 | .978 | -.002 | .052 | 2.210601 | 28 | 98.952 | 12.955 | <.001 | |
| 4. Strict | .043 | .003 | .031-.055 | .969 | -.009 | .062 | 2.392268 | 34 | 119.500 | 20.548 | <.001 |
Note. RMSEA: Root Mean Square Error of Approximation; ∆RMSEA: Increase of Root Mean Square Error of Approximation; 90% CI RMSEA: 90% confidence interval for RMSEA; CFI: Comparative Fit Index; ∆CFI: Increase of Comparative Fit Index; RMSR; Root Mean Square Residual; CMIN/DF: Chi Square per degree of freedom; df: Degrees of freedom; Rχ 2: Chi Square robust estimator; ∆Rχ 2: Increase of Chi Square robust estimator.