. 2016 May 1;22(5):419–428. doi: 10.1089/tmj.2015.0137

Table 1.

Usage Pattern of My Chart in My Hand Mobile Personal Health Record

	MEAN					SUM
	USER WITH A PATIENT ID (N = 2,186)^a					USER WITH A PATIENT ID (N = 2,186)^a
CATEGORY	LIGHT USER (N = 1,063)^b	HEAVY USER (N = 1,123)^c	TOTAL LIGHT AND HEAVY USERS (N = 2,186)	USER WITHOUT A PATIENT ID (N = 4,910)^d	TOTAL USERS (N = 7,096)	LIGHT USER (N = 1,063)^b	HEAVY USER (N = 1,123)^c	TOTAL LIGHT AND HEAVY USERS (N = 2,186)	USER WITHOUT A PATIENT ID (N = 4,910)^d	TOTAL USERS (N = 7,096) (RANK)^e
Login	9.54^f	71.40	80.94	3.11^g	14.88	10,136	80,178	90,314	15,289	105,603
“My Chart”	117.39^f	166.13	283.52	0.55^g	44.25	124,785	186,569	311,354	2,708	314,062
Laboratory results	108.64^f	141.96	250.60	0.16^g	38.85	115,483	159,418	274,901	802	275,703 (1)
Medication lists	6.21^f	9.71	15.92	0.14^g	2.56	6,606	10,902	17,508	680	18,188 (3)
Problem lists	6.33^f	7.09	13.42	0.19^g	2.20	6,734	7,958	14,692	919	15,611 (4)
Allergies	1.38^f	2.48	3.86	0.06^g	0.64	1,470	2,783	4,253	307	4,560
“OPD Service Support”	25.34	28.80	54.14	0.05^g	8.38	26,937	32,344	59,281	218	59,499
Online appointment	26.89^f	21.65	48.54	0.04^g	7.48	28,583	24,310	52,893	191	53,084 (2)
Waiting list check	2.38^f	3.44	5.82	0.01^g	0.90	2,526	3,862	6,388	27	6,415
“Health Management”	10.97	11.97	22.94	1.86^g	4.82	7,821	17,281	25,102	9,151	34,253
Blood sugar test	4.05	3.97	8.02	1.11^g	2.00	4,307	4,454	8,761	5,462	14,223 (5)
Blood pressure	0.54^f	4.91	5.45	0.45^g	1.17	576	5,518	6,094	2,216	8,310
Body mass index	1.47^f	3.69	5.16	0.15^g	0.91	1,563	4,148	5,711	743	6,454
Health calculator
10 CVD risk	0.71^f	1.49	2.20	0.08^g	0.40	755	1,671	2,426	410	2,836
Metabolic syndrome	0.58^f	1.33	1.91	0.07^g	0.34	620	1,490	2,110	320	2,430
“Medication Management”	6.52	6.51	6.51	6.52	2.23	6,929	7,315	14,244	1,653	15,897
Today's medication schedule	2.17^f	3.62	5.79	0.12^g	0.98	2,303	4,068	6,371	574	6,945
Medication schedules	1.29^f	1.84	3.13	0.08^g	0.54	1,375	2,065	3,440	413	3,853
Medication alarm setting	0.62^f	1.79	2.41	0.06^g	0.41	655	2,009	2,664	271	2,935
Insulin injection schedule	0.29^f	1.30	1.59	0.08^g	0.30	309	1,460	1,769	395	2,164

^{^a}

A user with a patient identification number (ID) who is able to fully access My Chart in My Hand.

^{^b}

A light user is someone who accessed My Chart in My Hand at or below the median (less than two times per a month) of the users with a patient ID.

^{^c}

A heavy user is someone who accessed My Chart in My Hand above the median (two or more times per a month) of the users with a patient ID.

^{^d}

A user without a patient ID who is able to fully access My Chart in My Hand except for “My Chart” and “Outpatient department [OPD] Service Support” categorized menus that communicate with the hospital database.

^{^e}

Ranked in order of popularity except for categorized menus such as the “My Chart” menus.

^{^f}

The p values (< 0.05) indicate significant difference in number of logins or accesses to each menu between the light user and heavy user with a patient ID by t test.

^{^g}

The p values (< 0.05) indicate significant difference in number of logins or accesses to each menu between the user without a patient ID and the user with a patient ID by t test.

CVD, cardiovascular disease.