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PD and Sunlight Data - Part 1

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Old 05-22-2011, 06:52 AM #1
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Default I confess to skipping statistics
Calculus was bad enough. If you can find anything of use in the data, feel free to run with it and report back. I wonder if there is any decent state by state data for SAD? That might be interesting.....


Quote:
Originally Posted by johnt View Post
Thanks for the data Rick.

Using this data directly gives a correlation of almost 0.25, from which (taking the square) it's reasonable to estimate 6% of the variance in PD rates is due to factors linked with latitude. Even then we are not talking causality.

The analysis would be improved if:
- we weighted the data by population;
- used the population centre of gravity for each state;
- used UV data.

John
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Born in 1953, 1st symptoms and misdiagnosed as essential tremor in 1992. Dx with PD in 2000.
Currently (2011) taking 200/50 Sinemet CR 8 times a day + 10/100 Sinemet 3 times a day. Functional 90% of waking day but fragile. Failure at exercise but still trying. Constantly experimenting. Beta blocker and ACE inhibitor at present. Currently (01/2013) taking ldopa/carbadopa 200/50 CR six times a day + 10/100 form 3 times daily. Functional 90% of day. Update 04/2013: L/C 200/50 8x; Beta Blocker; ACE Inhib; Ginger; Turmeric; Creatine; Magnesium; Potassium. Doing well.
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Old 05-23-2011, 04:15 AM #2
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Default Query on low calorific diet
Hello Reverett123, I always enjoy your informative posts.I noticed that you advised a low calorie diet to help with PD. I would love to know what the findings are on this, and why you so advise. Thankyou, Ladybird.
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Old 05-24-2011, 04:19 AM #3
EnglishCountryDancer EnglishCountryDancer is offline
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Default Confounding variables
I have been trying to think of confounding variables that might influence the data.I cannot really, except to ask whether certain immigrants settled in different latitudes. I know that they settled .for example,in different areas in say NY, but was there a signifigant difference over much larger areas?
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Old 05-24-2011, 04:31 AM #4
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Default Any hope
Is there any hope of getting data from an area, such as China,with a relative static population. Combined with the US data you would really be on to something, Rick.We already know Vitamin D levels are lower in PwP That is one of our excuses for going on holiday,somewhere sunny away from the gloom of England in the winter. We also take a 1000iu of Vitamin D throughout the winter.
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