Table 2 Factor analysis of the I-8 impulsivity scale using the varimax rotation
Variable | Factor 1 | Factor 2 | Factor 3 | Factor 4 |
|---|---|---|---|---|
I8–6 | 0.919 |  |  |  |
I8–5 | 0.897 |  |  |  |
I8–2 |  | 0.926 |  |  |
I8–1 |  | 0.904 |  |  |
I8–3 |  |  | 0.994 |  |
I8–4 |  |  | 0.791 |  |
I8–7 |  |  |  | 0.862 |
I8–8 |  |  |  | 0.844 |
Percentage of variance explained | 38.51 | 21.25 | 13.56 | 8.65 |
Cronbach’s alpha | 0.802 | 0.796 | 0.815 | 0.613 |