Table 3.
Goodness of fit Indexes for the one-, two- and three-factor solutions of GASA.
| Model | Model description | CFI | RMSEA |
|---|---|---|---|
| 1.1 | GASA CFA 1 core items NC all | 0.994 | 0.051 |
| 1.1 g | GASA MGCFA 1 core items NC by gender configural | 0.954 | 0.077 |
| 1.2 | GASA CFA 1 OC and NC all | 0.960 | 0.077 |
| 1.2 g | GASA MGCFA 1 OC and NC by gender configural | 0.886 | 0.095 |
| 2.1 | GASA CFA 2 all | 0.973 | 0.065 |
| 2.1 g | GASA MGCFA 2 by gender configural | 0.933 | 0.077 |
| 2.1 gc | GASA CFA 2 by gender configural with correlation errors between item 5 and 7 | 0.971 | 0.059 |
| 2.1 gm | GASA MGCFA 2 by gender metric, model 2.1 gc with eq constraints | 0.935 | 0.079 |
| 3.1 | GASA CFA 3 all | 0.974 | 0.069 |
| 3.1 gm | GASA MGCFA 3 by gender metric eq constraints | 0.959 | 0.069 |
| 3.2 g.dia | GASA MCCFA 3 by gender model 3.1 gm with covariate diagnose ADHD lifetime | 0.954 | 0.067 |
Whole sample all n = 137 and multiple-group by gender, n (female) = 68, n (male) = 69. CFI, comparative fit index; RMSEA, root mean square error of approximation; GASA, game addiction scale for adolescents; CFA, confirmatory factor analyses; MGCFA, multiple-group confirmatory factor analysis; OC, over consumption; NC, negative consequences; ADHD, attention deficit hyperactivity disorder.