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Logrank tests according to socioeconomic status (SES) indicators.
| SES indicator | Logrank value (χ2) (df) | P value |
| Educational track | 16.7 (1) | <.001 a |
| Family affluence | 5.2 (2) | .07 |
| Perceived financial situation | 1.3 (1) | .3 |
aItalicization indicates P<.05.
