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- Title
Raw and processed fruit and vegetable consumption and 10-year stroke incidence in a population-based cohort study in the Netherlands.
- Authors
Griep, LM Oude; Verschuren, W M M; Kromhout, D; Ocké, M C; Geleijnse, J M
- Abstract
Background/Objectives:Prospective cohort studies have shown that high fruit and vegetable consumption is related to a lower risk of stroke. Whether food processing affects this association is unknown. We evaluated the associations of raw and processed fruit and vegetable consumption independently from each other with 10-year stroke incidence and stroke subtypes in a prospective population-based cohort study in the Netherlands.Subjects/Methods:We used data of 20 069 men and women aged 20-65 years and free of cardiovascular diseases at baseline who were enrolled from 1993 to 1997. Diet was assessed using a validated 178-item food frequency questionnaire. Hazard ratios (HRs) were calculated for total, ischemic and hemorrhagic stroke incidence using multivariable Cox proportional hazards models.Results:During a mean follow-up time of 10.3 years, 233 incident stroke cases were documented. Total and processed fruit and vegetable intake were not related to incident stroke. Total stroke incidence was 30% lower for participants with a high intake of raw fruit and vegetables (Q4: >262 g/day; HR: 0.70; 95% confidence intervals (95% CIs): 0.47-1.03) compared with those with a low intake (Q1: 92 g/day) and the trend was borderline significant (P for trend=0.07). Raw vegetable intake was significantly inversely associated with ischemic stroke (>27 vs 27 g/day; HR: 0.50; 95% CI: 0.34-0.73), and raw fruit borderline significantly with hemorrhagic stroke (>120 vs 120 g/day; HR: 0.53; 95% CI: 0.28-1.01).Conclusions:High intake of raw fruit and vegetables may protect against stroke. No association was found between processed fruit and vegetable consumption and incident stroke.
- Publication
European Journal of Clinical Nutrition, 2011, Vol 65, Issue 7, p791
- ISSN
0954-3007
- Publication type
Academic Journal
- DOI
10.1038/ejcn.2011.36