Part I. Dependent variable: Intention to use (Senior generation serves as the reference group for results relevant to generation cohort)
		β	SE	t-value	95% CI
(Constant)		0.387	0.841	0.460	[–1.267, 2.040]
Social presence		0.695	0.261	2.666**	[0.183, 1.208]
Fear		0.518	0.222	2.331*	[0.081, 0.955]
Social presence × Fear		–0.109	0.064	–1.700	[–0.236, 0.017]
Middle generation		1.448	0.934	1.551	[–0.389, 3.285]
Young generation		2.548	0.895	2.845**	[0.786, 4.309]
Social presence × Middle generation		–0.387	0.298	–1.298	[–0.972, 0.199]
Social presence × Young generation		–0.586	0.292	–2.005*	[–1.161, − 0.011]
Fear × Middle generation		–0.621	0.250	–2.490*	[–1.112, − 0.131]
Fear × Young generation		–0.784	0.244	–3.209**	[–1.264, − 0.030]
Social presence × Fear × Middle generation		0.158	0.071	2.223*	[0.018, 0.298]
Social presence × Fear × Young generation		0.185	0.071	2.611**	[0.046, 0.324]
Gender		–0.010	0.084	–0.121	[–0.175, 0.154]
Education		0.063	0.060	1.038	[–0.056, 0.182]
Income		0.092	0.047	1.947	[–0.001, 0.185]
Part II. Dependent variable: Intention to use (Middle generation serves as the reference group for result relevant to generation cohort)
		β	SE	t-value	95% CI
Social presence × Fear × Young generation		0.026	0.043	0.609	[–0.058, 0.111]
Part III. Conditional effect of social presence on intention to use at different values of fear and generation
Generation	Fear	β	SE	t-value	95% CI
Senior generation	Low (Mean − 1SD)	0.415	0.143	2.904**	[0.134, 0.695]
Senior generation	Moderate (Mean)	0.230	0.137	1.677	[–0.040, 0.499]
Senior generation	High (Mean + 1SD)	0.045	0.202	0.224	[–0.352, 0.442]
Middle generation	Low (Mean − 1SD)	0.435	0.082	5.287***	[0.273, 0.596]
Middle generation	Moderate (Mean)	0.517	0.066	7.821***	[0.387, 0.647]
Middle generation	High (Mean + 1SD)	0.600	0.087	6.889***	[0.429, 0.771]
Young generation	Low (Mean − 1SD)	0.302	0.069	4.361**	[0.166, 0.439]
Young generation	Moderate (Mean)	0.429	0.055	7.746***	[0.320, 0.538]
Young generation	High (Mean + 1SD)	0.556	0.080	6.975***	[0.400, 0.713]