Table 1.

How representative are our study participants? Comparison of characteristics for individuals ages 55 and older in different samples Results are presented as mean [standard deviation]

	HRS 2002	HRS 2002	CPS 2002
	Numeracy module respondents	All core respondents
	(1)	(2)	(3)
Age	67.9 [9.5]	68.0 [9.6]	67.3 [8.4]
Female	0.61 [0.49]	0.56 [0.50]	0.55 [0.50]
Married	0.60 [0.49]	0.64 [0.48]	0.62 [0.49]
Race/ethnicity
White non-Hispanic	0.85 [0.36]	0.83 [0.38]	0.84 [0.36]
Black non-Hispanic	0.08 [0.27]	0.09 [0.29]	0.09 [0.29]
Other non-Hispanic	0.02 [0.13]	0.02 [0.12]	0.07 [0.25]
Hispanic	0.05 [0.22]	0.06 [0.25]	0.06 [0.25]
Fair or poor self-reported health	0.25 [0.43]	0.27 [0.44]	0.29 [0.45]
Did not complete high school	0.21 [0.41]	0.25 [0.43]	0.24 [0.43]
Core numeracy (0–4)	1.5 [1.3]	1.3 [1.3]	N/A
Memory score (0–20)	9.8 [3.6]	9.0 [4.6]	N/A
Serial Sevens score (0–4)	2.6 [1.6]	2.4 [1.6]	N/A
Sample n (unweighted)	962	16,963	37,118

Notes:

HRS = Health and Retirement Study; CPS = Current Population Survey.

Estimates are weighted using sampling weights. In each study, the sample is restricted to respondents ages 55 and older. Column (1) contains results for our study participants.