Fit and comparison tests of bivariate twin models for onset of regular cannabis use with both insomnia and insomnia with short sleep on weekdays (<6 h)
| Measure . | Model . | Model fit . | . | . | . | . | χ 2 test with full Cholesky ACE decomposition . | . | . |
|---|---|---|---|---|---|---|---|---|---|
| . | . | χ 2 . | df . | P . | RMSEA . | CFI . | df . | χ 2 . | P . |
| Onset of regular cannabis use and insomnia | Full Cholesky ACE | 40.923 | 51 | 0.8426 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 58.191 | 54 | 0.3238 | 0.020 | 0.991 | 3 | 18.375 | <0.001 | |
| Dropping all C paths | 44.599 | 54 | 0.8154 | 0.000 | 1.000 | 3 | 3.736 | 0.2914 | |
| Dropping all E paths | 142.629 | 54 | 0.0000 | 0.093 | 0.809 | 3 | 125.396 | <0.001 | |
| Onset of regular cannabis use and insomnia with short sleep on weekdays (<6 h) | Full Cholesky ACE | 54.866 | 71 | 0.9215 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 71.443 | 74 | 0.5626 | 0.000 | 1.000 | 3 | 19.147 | <0.001 | |
| Dropping all C paths | 58.465 | 74 | 0.9071 | 0.000 | 1.000 | 3 | 3.772 | 0.2872 | |
| Dropping all E paths | 189.233 | 74 | 0.0000 | 0.091 | 0.758 | 3 | 182.649 | <0.001 |
| Measure . | Model . | Model fit . | . | . | . | . | χ 2 test with full Cholesky ACE decomposition . | . | . |
|---|---|---|---|---|---|---|---|---|---|
| . | . | χ 2 . | df . | P . | RMSEA . | CFI . | df . | χ 2 . | P . |
| Onset of regular cannabis use and insomnia | Full Cholesky ACE | 40.923 | 51 | 0.8426 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 58.191 | 54 | 0.3238 | 0.020 | 0.991 | 3 | 18.375 | <0.001 | |
| Dropping all C paths | 44.599 | 54 | 0.8154 | 0.000 | 1.000 | 3 | 3.736 | 0.2914 | |
| Dropping all E paths | 142.629 | 54 | 0.0000 | 0.093 | 0.809 | 3 | 125.396 | <0.001 | |
| Onset of regular cannabis use and insomnia with short sleep on weekdays (<6 h) | Full Cholesky ACE | 54.866 | 71 | 0.9215 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 71.443 | 74 | 0.5626 | 0.000 | 1.000 | 3 | 19.147 | <0.001 | |
| Dropping all C paths | 58.465 | 74 | 0.9071 | 0.000 | 1.000 | 3 | 3.772 | 0.2872 | |
| Dropping all E paths | 189.233 | 74 | 0.0000 | 0.091 | 0.758 | 3 | 182.649 | <0.001 |
Models in bold indicate the best fitting model via χ 2 difference tests.
Fit and comparison tests of bivariate twin models for onset of regular cannabis use with both insomnia and insomnia with short sleep on weekdays (<6 h)
| Measure . | Model . | Model fit . | . | . | . | . | χ 2 test with full Cholesky ACE decomposition . | . | . |
|---|---|---|---|---|---|---|---|---|---|
| . | . | χ 2 . | df . | P . | RMSEA . | CFI . | df . | χ 2 . | P . |
| Onset of regular cannabis use and insomnia | Full Cholesky ACE | 40.923 | 51 | 0.8426 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 58.191 | 54 | 0.3238 | 0.020 | 0.991 | 3 | 18.375 | <0.001 | |
| Dropping all C paths | 44.599 | 54 | 0.8154 | 0.000 | 1.000 | 3 | 3.736 | 0.2914 | |
| Dropping all E paths | 142.629 | 54 | 0.0000 | 0.093 | 0.809 | 3 | 125.396 | <0.001 | |
| Onset of regular cannabis use and insomnia with short sleep on weekdays (<6 h) | Full Cholesky ACE | 54.866 | 71 | 0.9215 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 71.443 | 74 | 0.5626 | 0.000 | 1.000 | 3 | 19.147 | <0.001 | |
| Dropping all C paths | 58.465 | 74 | 0.9071 | 0.000 | 1.000 | 3 | 3.772 | 0.2872 | |
| Dropping all E paths | 189.233 | 74 | 0.0000 | 0.091 | 0.758 | 3 | 182.649 | <0.001 |
| Measure . | Model . | Model fit . | . | . | . | . | χ 2 test with full Cholesky ACE decomposition . | . | . |
|---|---|---|---|---|---|---|---|---|---|
| . | . | χ 2 . | df . | P . | RMSEA . | CFI . | df . | χ 2 . | P . |
| Onset of regular cannabis use and insomnia | Full Cholesky ACE | 40.923 | 51 | 0.8426 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 58.191 | 54 | 0.3238 | 0.020 | 0.991 | 3 | 18.375 | <0.001 | |
| Dropping all C paths | 44.599 | 54 | 0.8154 | 0.000 | 1.000 | 3 | 3.736 | 0.2914 | |
| Dropping all E paths | 142.629 | 54 | 0.0000 | 0.093 | 0.809 | 3 | 125.396 | <0.001 | |
| Onset of regular cannabis use and insomnia with short sleep on weekdays (<6 h) | Full Cholesky ACE | 54.866 | 71 | 0.9215 | 0.000 | 1.000 | – | – | – |
| Dropping all A paths | 71.443 | 74 | 0.5626 | 0.000 | 1.000 | 3 | 19.147 | <0.001 | |
| Dropping all C paths | 58.465 | 74 | 0.9071 | 0.000 | 1.000 | 3 | 3.772 | 0.2872 | |
| Dropping all E paths | 189.233 | 74 | 0.0000 | 0.091 | 0.758 | 3 | 182.649 | <0.001 |
Models in bold indicate the best fitting model via χ 2 difference tests.
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