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. 2002 Jul 20;325(7356):125. doi: 10.1136/bmj.325.7356.125

Table 1.

 Demographic information on participants and non-participants

Characteristics
Participants (n=20)
Non-participants (n=11)
Mean (median) age (years) 86 (86) 85 (84)
Median age at leaving school (years) 14 14
White/black 16/4 8/3
Women/men 16/4 5/6
Mean (median) health status (1-5)* 3.3 (3) 3.0 (3)
Mean (median) religiousness (1-5) 3.2 (3) 3.8 (4)
*

Self reported, 5=excellent health. 

Self reported, 5=extremely religious.