Collaborative PsychiatricEpidemiology Surveys
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PD21b1
How old were you [(when you had the attack "out of the blue"/the first time you had an attack "out of the blue")] for no obvious reason?
IF R REPORTS 'ALL MY LIFE' OR 'AS LONG AS I CAN REMEMBER', CODE: DON'T KNOW
A discrepancy exists between the question text in the surveys. You may wish to compare question text to determine how it affects the variable results.
| Mean | Std Dev | Median | Min | Max |
|---|---|---|---|---|
| 23.74 | 13.52 | 20.00 | 00.000 | 83.000 |
You can also view this variable in SDA 
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