Table 2. Characteristics of patient portal users and results of statistical analysis.
| No patient portal account | Has patient portal account | Statistical analysis on random samples | |||||
|---|---|---|---|---|---|---|---|
| Characteristics | n = 396,303 | Overall n = 109,200 |
Active users n = 82,541 |
Inactive users n = 26,659 |
No patient portal account n = 300 |
Active users n = 300 |
p
-value
(test used) |
| Age (mean in years) | 46.22 | 48.33 | 49.45 | 44.84 | 44.77 | 49.87 |
p
= 0.008
(Wilcoxon rank-sum) |
| Age (in groups) | |||||||
| Under 18 | 37,860 (9.55%) | 2,727 (2.50%) | 899 (1.09%) | 1,828 (6.86%) | 38 (12.67%) | 4 (1.33%) |
p
< 0.001
(chi-square) |
| 18–29 | 63,859 (16.11%) | 15,129 (13.85%) | 11,175 (13.54%) | 3,954 (14.83%) | 47 (15.67%) | 34 (11.33%) | |
| 30–39 | 57,533 (14.52%) | 21,153 (19.37%) | 15,754 (19.09%) | 5,399 (20.25%) | 40 (13.33%) | 62 (20.67%) | |
| 40–49 | 56,396 (14.23%) | 18,994 (17.39%) | 13,990 (16.95%) | 5,004 (18.77%) | 36 (12.00%) | 48 (16.00%) | |
| 50–59 | 61,667 (15.65%) | 19,055 (17.45%) | 14,824 (17.96%) | 4,231 (15.87%) | 47 (15.67%) | 58 (19.33%) | |
| 60–69 | 56,236 (14.19%) | 17,523 (16.05%) | 14,256 (17.27%) | 3,267 (12.25%) | 51 (17.00%) | 51 (17.00%) | |
| 70 or older | 62,752 (15.83%) | 14,619 (13.39%) | 11,643 (14.11%) | 2,976 (11.16%) | 41 (13.67%) | 43 (14.33%) | |
| Gender (%) | |||||||
| Female | 217,609 (54.91%) | 67,312 (61.64%) | 51,661 (62.59%) | 15,651 (58.71%) | 174 (58.00%) | 199 (66.33%) |
p
= 0.035
(chi-square) |
| Male | 178,428 (45.02%) | 41,886 (38.36%) | 30,879 (37.41%) | 11,007 (41.29%) | 126 (42.00%) | 101 (33.67%) | |
| Other | 266 (0.07%) | 2 (0.00%) | 1 (0.00%) | 1 (0.00%) | 0 | 0 | |
| Insurance | |||||||
| Medicare | 83,301 (21.02%) | 19,772 (18.11%) | 15,729 (19.06%) | 4,043 (15.17%) | 57 (19.00%) | 56 (18.67%) |
p
= 0.917
(chi-square) |
| Non-Medicare | 313,002 (78.98%) | 89,428 (81.89%) | 66,812 (80.94%) | 22,616 (84.83%) | 243 (81.00%) | 244 (81.33%) | |
| Race | |||||||
| White or Caucasian | 207,482 (52.35%) | 63,890 (58.51%) | 49,437 (59.89%) | 14,453 (54.21%) | 189 (63.00%) | 190 (63.33%) |
p
= 0.933
(chi-square) |
| Other/Refused | 188,821 (47.65%) | 45,310 (41.49%) | 33,104 (40.11%) | 12,206 (45.79%) | 111 (37.00%) | 110 (36.67%) | |
| Language | |||||||
| English | 370,566 (93.51%) | 105,651 (96.75%) | 79,981 (96.90%) | 25,670 (96.29%) | 285 (95.00%) | 289 (96.33%) |
p
= 0.423
(chi-square) |
| Non-English | 25,737 (6.49%) | 3,549 (3.25%) | 2,560 (3.10%) | 989 (3.71%) | 15 (5.00%) | 11 (3.67%) | |
| Outpatient visits (average each month for July 2014 to May 2015) |
0.31 | 0.89 |
p
< 0.001
(Wilcoxon rank-sum) |
||||
| Inpatient encounters (average each month for July 2014 to May 2015) |
0.007 | 0.059 |
p
< 0.001
(Wilcoxon rank-sum) |
||||
| No shows (average each month for July 2014 to May 2015) |
0.023 | 0.035 |
p
= 0.167
(Wilcoxon rank-sum) |
||||
| Emergency room (ER) visits (average each month for July 2014 to May 2015) |
0.047 | 0.014 |
p
< 0.001
(Wilcoxon rank-sum) |
||||