Table 2.

Content of survey

Regarding catching cold
A. Prior to onset of PD or CVD (or their spouse's onset of PD).
a-1. Never caught cold.
a-2. Sometimes caught cold but never had high fever or required bed rest.
a-3. Sometimes had high fever and required bed rest.
Change in catching cold after onset
(1) No change; (2) Changed
B. If there was a change, please indicate in the following.
b-1. Stopped catching colds.
b-2. Sometimes caught cold but never had high fever or required bed rest.
b-3. Sometimes had high fever and required bed rest.
b-4. Caught cold more frequently and with higher fever and required more bed rest.