. Author manuscript; available in PMC: 2007 Jul 2.

Published in final edited form as: Int Arch Occup Environ Health. 2006 May 19;80(2):109–116. doi: 10.1007/s00420-006-0108-5

Table 1.

Characteristics of sample

Variable	n = 617
^aAge in years (mean + SD)	55.2 (2.9)
^aFemale sex	50.2%
^aWhite race	82.2%
^aEducation in years (mean + SD)	12.3 (3.0)
^bWidowed, separated or divorced	2.4%
^cNon-housing net worth	$30,000 ($86,900)
^bCancer (y/n)	1.3%
^bHeart disease (y/n)	2.7%
^bHeavy alcohol use (3 + drinks/day)	8.3%
^bFunctional status: % dependent in 1 + ADL	5.6%

Denotes table value (mean or proportion) measured at 1992 baseline

Denotes average proportion over study frame for time-varying characteristic

Denotes median and interquartile range measured at 1992 baseline