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In the article by Beydoun et al.(1), the following errors were published.

In the section on weight status and dementia on page 211, the statement was:

Comparing underweight with normal weight, however, there was a 42% increase in the risk of dementia based on a pooled RR (RR: 1.42, 95% CI: 1.07–1.87).

The text was incorrect and should have read:

Comparing underweight with normal weight, however, there was a 36% increase in the risk of dementia based on a pooled RR (RR: 1.36, 95% CI: 1.07–1.73).

In the section on obesity and subtype of dementia on pages 212 and 213, the two statements were:

Among men, the pooled RR for obesity and dementia was 2.32 with a 95% CI of 1.37–3.9, while among women, the effect was even stronger: pooled RR = 3.01 with a 95% CI of 2.09–4.33. Based on the same studies (9,10), although imprecise, the effect of obesity on incident VaD indicated an appreciable and statistically significant increased risk among both men and women (RR > 3).

The text was incorrect and should have read:

Among men, the pooled RR for obesity and AD was 2.32 with a 95% CI of 1.37–3.9, while among women, the effect was even stronger: pooled RR = 3.01 with a 95% CI of 2.09–4.33. Based on the same studies (9,10), although imprecise, the effect of obesity on incident VaD indicated an appreciable and statistically significant increased risk among both men and women (RR > 3) (Table 2).

In Figures 1 and 2, the following text should have been added:

Figure 1: “Obese vs. dementia” should be placed next to (a); “Overweight vs. dementia” next to (b) and “underweight vs. dementia” next to (c).

Figure 2: “Obese vs. AD” should be placed next to (a) and “Obese vs. VaD” next to (b).

We apologize for this error.

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