Table 8.

Summary statistics of outcome variables as a function of 2 generations by presence of chronic diseases^a.

Outcome variables		Chronic disease (no), mean (SD)	Chronic disease (yes), mean (SD)	F test (df)	P value	η2
HWISb
	Generation	N/Ac	N/A	33.26 (1, 1126)	<.001	0.03
	Presence of chronic diseases	N/A	N/A	1.95 (1, 1126)	.16	0.002
	Generation × presence of chronic diseases	N/A	N/A	5.06 (1, 1126)	.03	0.004
	Digital natives	2.36 (0.77)	2.53 (0.70)	N/A	N/A	N/A
	Digital immigrants	2.15 (0.85)	2.11 (0.81)	N/A	N/A	N/A
HGISd
	Generation	N/A	N/A	7.83 (1, 1126)	.01	0.01
	Presence of chronic diseases	N/A	N/A	124.97 (1, 1126)	<.001	0.10
	Generation × presence of chronic diseases	N/A	N/A	0.89 (1, 1126)	.35	0.001
	Digital natives	0.58 (0.72)	1.16 (0.78)	N/A	N/A	N/A
	Digital immigrants	0.76 (0.79)	1.24 (0.77)	N/A	N/A	N/A
HMISe
	Generation	N/A	N/A	0.62 (1, 1126)	.43	0.001
	Presence of chronic diseases	N/A	N/A	112.81 (1, 1126)	<.001	0.09
	Generation × presence of chronic diseases	N/A	N/A	0.28 (1, 1126)	.60	0.000
	Digital natives	0.57 (0.65)	1.00 (0.60)	N/A	N/A	N/A
	Digital immigrants	0.62 (0.57)	1.00 (0.59)	N/A	N/A	N/A
PHAf
	Generation	N/A	N/A	1.50 (1, 1126)	.22	0.001
	Presence of chronic diseases	N/A	N/A	14.88 (1, 1126)	<.001	0.01
	Generation × presence of chronic diseases	N/A	N/A	1.30 (1, 1126)	.26	0.001
	Digital natives	1.85 (0.88)	2.15 (0.86)	N/A	N/A	N/A
	Digital immigrants	1.86 (0.85)	2.01 (0.94)	N/A	N/A	N/A

^aA total of 4 analyses of covariance were conducted using 7 covariates: information quality, trust in online health information, trust in health care institutions, search skills, race, ethnicity, and political affiliation.

^bHWIS: health wellness information search.

^cN/A: not applicable.

^dHGIS: health guidance information search.

^eHMIS: health management information search.

^fPHA: preventative health actions.