Table 5.

Percentage of item “don’t know” and refusals to financial questions by consent propensity stratum in the 2008 Health and Retirement Study.

			Item refusals (%)		Item “don’t knows” (%)
	N	Consent (%)	2006	2008	2006	2008
Consent propensity stratum
1 (Low)	1276	40.3 (1.4)	8.7 (0.8)	11.4 (0.9)	1.8 (0.4)	1.1 (0.3)
2	1277	61.9 (1.4)	2.4 (0.4)	2.4 (0.4)	0.3 (0.2)	0.9 (0.3)
3	1277	72.0 (1.3)	1.0 (0.3)	1.1 (0.3)	0.3 (0.2)	0.4 (0.2)
4	1277	80.0 (1.1)	0.9 (0.3)	0.4 (0.2)	0.6 (0.2)	0.2 (0.1)
5 (High)	1277	84.6 (1.0)	0.6 (0.2)	0.6 (0.2)	0.2 (0.1)	0.3 (0.2)
P-value (trend test)		0.017	0.017	0.083	0.333	0.083

Parenthetical entries are standard errors.