Table 4.
Measurement invariance of the 8-item Phubbing Scale in two-factor structure across 3 countries and genders/sexes
| χ2 | df | CFI | RMSEA | SRMR | ΔCFI | ΔRMSEA | ΔSRMR | |
|---|---|---|---|---|---|---|---|---|
| Across Country | ||||||||
| Configural invariance | 385.852 | 73 | 0.966 | 0.082 | 0.072 | |||
| Metric (weak) invariance | 252.763 | 69 | 0.980 | 0.065 | 0.059 | 0.014 | -0.017 | -0.013 |
| Scalar (strong) invariance | 445.542 | 81 | 0.960 | 0.084 | 0.073 | -0.020 | 0.019 | 0.014 |
| Across gender/sex | ||||||||
| Configural invariance | 191.529 | 73 | 0.987 | 0.051 | 0.053 | |||
| Metric (weak) invariance | 189.451 | 69 | 0.987 | 0.053 | 0.053 | 0.000 | 0.002 | 0.000 |
| Scalar (strong) invariance | 208.406 | 81 | 0.986 | 0.050 | 0.050 | -0.001 | -0.003 | -0.003 |
df = degree of freedom; CFI = comparative fit index; RMSEA = root mean square error of approximation; SRMR = standardized root mean square residual