Table 5.

Direct and indirect effects of review features on consumer choice.^a

Hypothesis and parameters		Effect, β (95% CI)	SE	t4.454 Test	P value
Hb4a
	Proportion→PAc	0.259 (0.176 to 0.340)	0.041	6.253	<.001
	PA→PSId	–0.579 (–0.640 to –0.511)	0.033	17.505	<.001
	Proportion→PA→PSI	–0.150 (–0.202 to –0.099)	0.026	5.701	<.001
H4b
	Proportion→RAe	–0.354 (–0.419 to –0.286)	0.034	10.301	<.001
	RA→PSI	0.199 (0.137 to 0.263)	0.032	6.222	<.001
	Proportion→RA→PSI	–0.071 (–0.100 to –0.045)	0.014	5.079	<.001
H5a
	Claim type→PA	0.118 (0.036 to 0.199)	0.042	2.778	.005
	PA→PSI	–0.579 (–0.640 to –0.511)	0.033	17.505	<.001
	Claim type→ PA→PSI	–0.068 (–0.118 to –0.021)	0.025	2.714	.01
H5b
	Claim type→RA	–0.123 (–0.198 to –0.051)	0.037	3.330	.001
	RA→PSI	0.199 (0.137 to 0.263)	0.032	6.222	<.001
	Claim type→RA→PSI	–0.025 (– 0.045 to –0.009)	0.009	2.587	.01
H6a
	Physician response→PA	–0.288 (–0.364 to –0.209)	0.040	7.280	<.001
	PA→PSI	–0.579 (–0.640 to –0.511)	0.033	17.505	<.001
	Physician response→PA→PSI	0.167 (0.118 to 0.214)	0.025	6.711	<.001
H6b
	Physician response→RA	0.480 (0.417 to 0.542)	0.032	14.894	<.001
	RA→PSI	0.199 (0.137 to 0.263)	0.032	6.222	<.001
	Physician response→RA→PSI	0.096 (0.065 to 0.130)	0.016	5.815	<.001

^aResults are based on bootstrapping with 5000 subsamples (2-tailed).

^bH: hypothesis.

^cPA: physician attribution.

^dPSI: physician selection intention.

^eRA: reviewer attribution.