Table 3.

Health behavior estimates and design effect in the combined dual-frame sample and the single-frame sample

	Dual-frame: combined (n = 25,319)		Single-frame: cell (n = 15,602)		Relative difference
	% (SE)	DEFT	% (SE)	DEFT	%
Self-reported health status as “poor”	6.0 (0.2)	1.30	5.7 (0.2)	1.21	−5.0
Chronic diseases	36.6 (0.4)	1.22	36.3 (0.4)	1.13	−0.8
Limitations in daily activities	21.6 (0.3)	1.23	21.1 (0.4)	1.15	−2.4
Obesity	13.5 (0.3)	1.27	13.1 (0.3)	1.17	−3.2
Physical inactivity	8.7 (0.2)	1.32	8.9 (0.3)	1.20	2.0
Daily cigarette smoking	27.0 (0.4)	1.28	27.6 (0.4)	1.14	2.4
Lifetime suicidal attempt	7.2 (0.2)	1.28	7.4 (0.2)	1.15	2.4

Analyses used corresponding calibrated weights for each frame (combined dual-frame and single-frame)