Table 3.
Exploratory factor analysis: factor loadings
| All frequent cannabis users (N=2,613) | ‘Cannabis only’ frequent users (N=1,119) | |||
|---|---|---|---|---|
| Symptoms | 2-factor solution | 2-factor solution | ||
| Weakness | Depression/Anxiety | Weakness | Depression/Anxiety | |
| Hypersomnia | 0.80 | 0.03 | 0.88 | −0.05 |
| Weak or tired | 0.99 | −0.05 | 0.86 | 0.12 |
| Yawning | 0.74 | 0.04 | 0.65 | 0.15 |
| Psychomotor Retardation | 0.54 | 0.08 | 0.79 | −0.15 |
| Depressed Mood | 0.27 | 0.57 | 0.36 | 0.55 |
| Sweating | 0.10 | 0.67 | 0.16 | 0.69 |
| Nausea | 0.18 | 0.52 | - - | - - |
| Anxiety | 0.09 | 0.75 | 0.18 | 0.66 |
| Muscle aches | 0.01 | 0.80 | −0.03 | 0.90 |
| Restless | 0.01 | 0.88 | 0.09 | 0.81 |
| Tremors | −0.03 | 0.88 | −0.05 | 1.00 |
| Insomnia | −0.10 | 0.85 | −0.07 | 0.91 |
| Eigenvalues | 6.81 | 1.37 | 7.08 | 1.57 |
| Promax Factor Correlations | 0.64 | 0.59 | ||