| B | Unstandardized regression coefficient |
| β | Standardized coefficient |
| C | Chronological |
| D | Demirjian |
| F | F-test |
| M | Mean |
| p | Significance level |
| R | Linear regression coefficient |
| R2 | R Squared (coefficient of determination) |
| SD | Standard-deviation |
| SE B | Standard-error for unstandardized coefficient |
| SE | Standard-error |
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