Figure 2. Relative Risks of Age-Related Macular Degeneration (AMD) According to Primary Carotenoid-Containing Foods.
Bars surrounding point estimates indicate 95% CIs. Multivariate models were adjusted for the same variables as in Table 2.
aP for linear trend < .05.
bCooked spinach (0.5 cup) is approximately equivalent to 2.5 × raw spinach (1 cup); total spinach (1 cup) = raw spinach (1 cup) + 2.5 × cooked spinach (0.5 cup).
cP for linear trend < .10.
dP for heterogeneity between the Nurses' Health Study and the Health Professionals Follow-up Study < .05.