Table 2 Factor Loadings of the CPRL items from the Exploratory Factor Analysis (EFA) in the first subsample and Confirmatory Factor Analysis (CFA) in the second subsample
Items | Percentage of correct responses | Percentage of “I don’t know” responses | EFA | CFA |
|---|---|---|---|---|
1. Cannabis causes structural changes in the brain of users (T) | 1148 (48.6%) | 563 (23.8%) | 0.77 | 0.70 |
2. All people who use cannabis will develop psychological symptoms (F) | 530 (22.4%) | 821 (34.8%) | 0.78 | 0.61 |
3. Individuals who use cannabis are at greater risk of developing diseases such as schizophrenia (T) | 1088 (46.1%) | 713 (30.2%) | 0.83 | 0.75 |
4. The genetic factor increases the risk of psychosis in cannabis users (T) | 1162 (49.2%) | 624 (26.4%) | 0.74 | 0.63 |
5. The risk of developing psychotic symptoms increases when consuming high-potency cannabis (i.e. with high THC levels) (T) | 1082 (45.8%) | 466 (19.7%) | 0.87 | 0.76 |
6. Stopping cannabis use can lead to a decline in psychotic symptoms and an improvement in functioning (T) | 1072 (45.4%) | 654 (27.7%) | 0.78 | 0.65 |
7. The best way to deal with the symptoms of psychosis in a cannabis user is to deal with them on their own (F) | 655 (27.7%) | 538 (22.8%) | 0.57 | 0.40 |
8. Religious practices and prayer help prevent or control the symptoms of psychosis that may appear in cannabis users (F) | 963 (40.8%) | 687 (29.1%) | 0.66 | 0.55 |