Table 2

Cognitive function in the US and England, age 65+, 2002

Unadjusted

Age- and Sex-Adjusted


Cognitive Test

US

(N = 8,299)

England

(N = 5,276)

P Value*

US

(N = 8,299)

England

(N = 5,276)

P Value*


Immediate Recall (Mean ± SE)

5.1 ± .03

4.7 ± .03

<.001

5.3 ± .04

4.8 ± .04

<.001

Delayed Recall

4.1 ± .03

3.1 ± .03

<.001

4.3 ± .05

3.3 ± .05

<.001

Orientation

3.6 ± .01

3.6 ± .01

.2

3.6 ± .02

3.6 ± .02

.2

Combined Scale

12.8 ± .06

11.4 ± .06

<.001

13.2 ± .09

11.7 ± .08

<.001


* P value of t-test for a significant difference in mean between countries.

Langa et al. BMC Geriatrics 2009 9:23   doi:10.1186/1471-2318-9-23

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