Collaborative PsychiatricEpidemiology Surveys
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CC19c.
Do you ever see spots, lines, or heat waves before your headaches start?
| Value | Label | Frequency | Valid Percent | Total Percent |
|---|---|---|---|---|
| 1 | YES | 388 | 38.30% | 04.18% |
| 5 | NO | 625 | 61.70% | 06.73% |
| -9 | REFUSED | 6 | - | 00.06% |
| -8 | DONT KNOW | 7 | - | 00.08% |
| . | Missing | 8256 | - | 88.95% |
Disclaimer: Frequencies displayed above are not weighted.
You can also view this variable in SDA 
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