. 2016 Apr 1;13(Spring):1f.

Table 2.

Descriptive Statistics of Dependent Variables

Category		Personal Health Record (PHR) System	N	Mean	Standard Deviation	Min	Max
Usefulness	It is useful	Microsoft HealthVault	77	6.06	1.260	1	7
	It is useful	Health Companion	76	5.49	1.309	1	7
	It does everything I expected	Microsoft HealthVault	77	5.70	1.348	1	7
	It does everything I expected	Health Companion	76	5.16	1.534	1	7
	It gives me control over activities	Microsoft HealthVault	77	5.47	1.343	1	7
	It gives me control over activities	Health Companion	76	5.25	1.490	1	7
	It makes it easier to accomplish what is needed	Microsoft HealthVault	77	5.31	1.453	1	7
	It makes it easier to accomplish what is needed	Health Companion	76	4.57	1.637	1	7
	It helps me be more effective	Microsoft HealthVault	77	5.25	1.416	1	7
	It helps me be more effective	Health Companion	76	4.92	1.505	1	7
	It meets my needs	Microsoft HealthVault	77	5.44	2.224	1	7
	It meets my needs	Health Companion	76	4.87	1.695	1	7
	It saves me time	Microsoft HealthVault	77	5.25	1.425	1	7
	It saves me time	Health Companion	76	4.45	1.711	1	7
Ease of Use	It is easy to use	Microsoft HealthVault	76	6.09	1.1333	2	7
	It is easy to use	Health Companion	70	4.66	1.817	1	7
	It is simple to use	Microsoft HealthVault	76	6.01	0.959	1	7
	It is simple to use	Health Companion	70	4.56	1.682	3	7
	It is user friendly	Microsoft HealthVault	76	5.97	1.143	3	7
	It is user friendly	Health Companion	70	4.77	1.787	1	7
	It requires the fewest steps to accomplish what I want	Microsoft HealthVault	76	5.67	1.193	2	7
	It requires the fewest steps to accomplish what I want	Health Companion	70	4.21	1.693	1	7
	It is flexible	Microsoft HealthVault	76	5.46	1.216	2	7
	It is flexible	Health Companion	70	4.81	1.526	1	7
	Using it is effortless	Microsoft HealthVault	76	5.49	1.342	1	7
	Using it is effortless	Health Companion	70	4.31	1.629	1	7
	I can use it without written instructions	Microsoft HealthVault	76	6.01	1.160	2	7
	I can use it without written instructions	Health Companion	70	4.60	1.853	1	7
	I don't notice any inconsistencies when using	Microsoft HealthVault	76	5.79	1.123	2	7
	I don't notice any inconsistencies when using	Health Companion	70	5.16	1.293	2	7
	Occasional and regular users would like it	Microsoft HealthVault	76	5.67	1.248	3	7
	Occasional and regular users would like it	Health Companion	70	4.87	1.503	2	7
	I can recover from mistakes quickly and easily	Microsoft HealthVault	76	5.76	1.165	1	7
	I can recover from mistakes quickly and easily	Health Companion	70	4.93	1.478	1	7
	I can use it successfully every time	Microsoft HealthVault	76	5.70	1.211	1	7
	I can use it successfully every time	Health Companion	70	4.80	1.708	1	7
Ease of Learning	I learned to use it quickly	Microsoft HealthVault	77	6.00	1.225	1	7
	I learned to use it quickly	Health Companion	75	4.76	1.837	1	7
	I easily remember how to use it	Microsoft HealthVault	77	6.00	1.203	1	7
	I easily remember how to use it	Health Companion	75	4.85	1.799	1	7
	It is easy to learn how to use it	Microsoft HealthVault	77	6.03	1.277	2	7
	It is easy to learn how to use it	Health Companion	75	4.67	1.826	1	7
	I quickly became skillful with it	Microsoft HealthVault	77	6.00	1.267	1	7
	I quickly became skillful with it	Health Companion	75	5.00	2.919	1	7
Satisfaction	I am satisfied with it	Microsoft HealthVault	76	5.64	1.344	1	7
	I am satisfied with it	Health Companion	74	4.84	1.647	1	7
	I would recommend it to a friend	Microsoft HealthVault	76	5.67	1.518	1	7
	I would recommend it to a friend	Health Companion	74	4.64	1.920	1	7
	It works the way I want it to work	Microsoft HealthVault	76	5.57	1.360	1	7
	It works the way I want it to work	Health Companion	74	4.58	1.767	1	7
	I feel I need to have it	Microsoft HealthVault	76	4.25	1.682	1	7
	I feel I need to have it	Health Companion	74	4.07	1.875	1	7
	It is pleasant to use	Microsoft HealthVault	76	6.11	1.138	2	7
	It is pleasant to use	Health Companion	74	4.64	1.818	1	7