Table 4.

Effects of the intervention for improving eHealth literacy for the elderly (N = 46)

Constructs of IMB model and Variables	Baseline	Post 1	Post 2	χ2	P	Cohen’s d
	estimated Mean ± SE	estimated Mean ± SE	estimated Mean ± SE
Information
Computer/web knowledge	8.47 ± 38.23	14.06 ± 38.38	12.94 ± 38.40	60.04	< 0.001	0.57
Motivation
Perceived usefulness	22.81 ± 37.07	24.61 ± 37.19	23.95 ± 36.91	5.91	0.052
Perceived ease of use	20.12 ± 31.64	22.88 ± 31.63	22.49 ± 31.55	17.86	< 0.001	0.88
Perceived enjoyment	15.66 ± 22.31	18.16 ± 22.34	17.41 ± 22.27	23.06	< 0.001	0.87
Attitudes toward eHealth Information	17.05 ± 20.71	19.24 ± 20.79	18.83 ± 20.65	18.47	< 0.001	0.52
Behavior skills
eHealth literacy	27.52 ± 36.48	32.67 ± 36.28	31.38 ± 36.38	72.76	< 0.001	0.45
Behaviors
Searching for eHealth Information	1.56 ± 49.55	23.06 ± 49.02	9.65 ± 49.29	162.57	< 0.001	0.31
Understanding eHealth Information	2.25 ± 14.52	6.48 ± 14.66	5.87 ± 14.68	60.96	< 0.001	0.40
Health behavior and decision-making  changes		11.49 ± 19.70	11.86 ± 19.63	1.53	0.217

SE: standard error