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. Author manuscript; available in PMC: 2009 Mar 1.
Published in final edited form as: Epidemiology. 2008 Mar;19(2):338–344. doi: 10.1097/EDE.0b013e3181635dc2

TABLE 2.

Relative Change in Mean Plasma Carotenoid Levels and Spearman Correlations at Different Time Points

Baseline to Year 1
Baseline to Year 4
Year 1 to Year 4
Carotenoid % Change in Mean Spearman Correlation % Change in Mean Spearman Correlation % Change in Mean Spearman Correlation
Alpha-carotene 2 0.77 −18 0.62 −19 0.67
Beta-carotene −4 0.80 −15 0.64 −11 0.71
Lutein 2 0.80 −3 0.68 −5 0.66
Lycopene −1 0.63 4 0.51 5 0.50
Beta-cryptoxanthin 0 0.75 8 0.57 8 0.62
Total carotenoids −1 0.80 −6 0.64 −5 0.68