Table 2.
Test of factorial invariance across sex, age range, partner relationship, relationship length, sexual orientation, and education level.
| IF test | RMSEA | 90% CI RMSEA | CFI | Decision |
|---|---|---|---|---|
| Sex (men, women) | ||||
| 1. Configural | .058 | .056-.060 | .928 | Invariance accepted |
| 2. Weak | .057 | .055-.059 | .927 | Invariance accepted |
| 3. Strong | .057 | .055-.059 | .926 | Invariance accepted |
| 4. Strict | .058 | .056-.059 | .921 | Invariance accepted |
| Age range (18-34, 35-49, > 50 years old) | ||||
| 1. Configural | .048 | .046-.050 | .923 | Invariance accepted |
| 2. Weak | .048 | .046-.049 | .920 | Invariance accepted |
| 3. Strong | .048 | .047-.050 | .917 | Invariance accepted |
| 4. Strict | .052 | .050-.053 | .898 | Invariance rejected |
| Relationship (yes, no) | ||||
| 1. Configural | .057 | .055-.059 | .929 | Invariance accepted |
| 2. Weak | .056 | .054-.058 | .928 | Invariance accepted |
| 3. Strong | .056 | .054-.058 | .928 | Invariance accepted |
| 4. Strict | .057 | .055-.059 | .923 | Invariance accepted |
| Relationship length (1-10, 11-20, > 20 years) | ||||
| 1. Configural | .050 | .048-.052 | .920 | Invariance accepted |
| 2. Weak | .049 | .047-.051 | .919 | Invariance accepted |
| 3. Strong | .048 | .046-.050 | .919 | Invariance accepted |
| 4. Strict | .050 | .048-.052 | .908 | Invariance rejected |
| Sexual orientation (heterosexual, non-heterosexual) | ||||
| 1. Configural | .057 | .055-.059 | .929 | Invariance accepted |
| 2. Weak | .056 | .054-.058 | .929 | Invariance accepted |
| 3. Strong | .056 | .054-.057 | .929 | Invariance accepted |
| 4. Strict | .054 | .053-.056 | .929 | Invariance accepted |
| Education level (university studies, non-university) | ||||
| 1. Configural | .058 | .056-.060 | .928 | Invariance accepted |
| 2. Weak | .057 | .055-.059 | .927 | Invariance accepted |
| 3. Strong | .056 | .054-.058 | .927 | Invariance accepted |
| 4. Strict | .056 | .054-.057 | .926 | Invariance accepted |
Note. Fit indexes included: Root mean Square Error of Approximation (RMSEA), 90% confidence interval for RMSEA (90% CI RMSEA), and Comparative Fit Index (CFI).