Table 1.

Willingness to Share Personal Health Information (unadjusted means)

Use and User	Sensitivity	Willingness to Share Personal Health Information (mean rating)*
		No History of Cancer	History of Cancer	P
Research
University hospital	Low	6.70	6.88	.60
University hospital	High	6.69	6.85	.66
Drug company	Low	5.85	6.01	.66
Drug company	High	5.77	6.37	.11
Public health department	Low	6.04	6.05	.98
Public health department	High	6.08	7.33	.002
Quality improvement
University hospital	Low	6.25	6.32	.86
University hospital	High	6.29	6.59	.39
Drug company	Low	5.02	4.49	.22
Drug company	High	5.26	5.78	.17
Public health department	Low	5.80	5.66	.71
Public health department	High	5.62	5.48	.71
Marketing
University hospital	Low	4.85	5.08	.55
University hospital	High	5.00	4.82	.63
Drug company	Low	4.55	3.60	.024
Drug company	High	4.54	4.84	.46
Public health department	Low	4.51	4.56	.88
Public health department	High	4.60	4.67	.85

^*1 = low; 10 = high.