Table 2.

Intervention and control group differences.

Variable		Intervention, mean (95% CI)	Control, mean (95% CI)	Mean difference (95% CI)	P value
Primary outcome analysis
	Digital literacy score	2.42 (1.73 to 3.11)	0.13 (–0.48 to 0.75)	2.28 (1.37 to 3.20)	<.001
Domain-level analyses
	Social domain	0.64 (0.43 to 0.85)	0.20 (0.00 to 0.40)	0.44 (0.15 to 0.73)	.003
	Instrumental domain	0.77 (0.42 to 1.12)	0.04 (–0.28 to 0.36)	0.74 (0.27 to 1.20)	.002
	Reassurance domain	0.46 (0.24 to 0.07)	–0.15 (–0.40 to 0.07)	0.61 (0.30 to 0.92)	<.001
	Pastime domain	0.54 (0.29 to 0.78)	0.13 (–0.15 to 0.39)	0.41 (0.05 to 0.76)	.03