Table 1.
Characteristics of trial patients
| Characteristics | Overall (n = 300) | Google search (n = 100) | HFD (n = 99) | No search (n = 101) |
|---|---|---|---|---|
| Age, y, Median (IQI) | 33.1 (26.2–45.9) | 30.6 (24.6–47.1) | 35.3 (28.8–46.6) | 33.9 (26.2–44.8) |
| Sex, no. (%) | ||||
| Women | 179 (59.7) | 60 (60.0) | 53 (53.5) | 66 (65.4) |
| Men | 121 (40.3) | 40 (40.0) | 46 (46.5) | 35 (34.7) |
| Race, no. (%) | ||||
| White | 89 (29.7) | 33 (33.0) | 28 (28.3) | 28 (27.7) |
| Black | 190 (63.3) | 62 (62.0) | 65 (65.7) | 63 (62.4) |
| Other | 21 (7.0) | 5 (5.0) | 6 (6.1) | 10 (9.9) |
| Employment, no. (%) | ||||
| Full-time | 126 (42.0) | 38 (38.0) | 48 (48.5) | 40 (39.6) |
| Part-time | 41 (13.7) | 16 (16.0) | 8 (8.1) | 17 (16.8) |
| Retired | 11 (3.7) | 4 (4.0) | 3 (3.0) | 4 (4.0) |
| Unemployed | 122 (40.7) | 42 (42.0) | 40 (40.4) | 40 (39.6) |
| Enrollment site, no. (%) | ||||
| JHBV ED | 137 (45.7) | 43 (43.0) | 44 (44.4) | 50 (49.5) |
| JHH ED | 163 (54.3) | 57 (57.0) | 55 (55.6) | 51 (50.5) |
| Educational level, no. (%) | ||||
| Some high school or less | 64 (21.3) | 20 (20) | 21 (21.2) | 23 (22.8) |
| High school or GED | 182 (60.7) | 62 (62) | 58 (58.6) | 62 (61.4) |
| College or university degree | 38 (12.7) | 16 (16) | 11 (11.1) | 11 (10.9) |
| Master’s degree | 8 (2.7) | 1 (1) | 5 (5.1) | 2 (2) |
| Doctorate | 8 (2.7) | 1 (1) | 4 (4) | 3 (3) |
| Annual household income ($), no. (%) | ||||
| <45,000 | 216 (72.0) | 72 (72.0) | 69 (69.7) | 75 (74.3) |
| 45,000 to <60,000 | 45 (15.0) | 17 (17.0) | 17 (17.2) | 11 (10.9) |
| 60,000 to <100,000 | 20 (6.7) | 5 (5.0) | 9 (9.1) | 6 (5.9) |
| ≥100,000 | 19 (6.3) | 19 (6.3) | 4 (4.0) | 9 (8.9) |
| Type of work (US Census categories) | ||||
| Management/professional | 45 (15.0) | 12 (12.0) | 17 (17.2) | 16 (15.8) |
| Service | 64 (21.3) | 24 (24.0) | 15 (15.2) | 25 (24.8) |
| Sales/office | 25 (8.3) | 10 (10.0) | 10 (10.1) | 5 (5.0) |
| Construction/maintenance | 26 (8.7) | 6 (6.0) | 11 (11.1) | 9 (8.9) |
| Other | 24 (8.0) | 7 (7.0) | 8 (8.1) | 9 (8.9) |
| Smartphone | ||||
| iPhone owner, no. (%) | 100 (33.3) | 34 (34.0) | 30 (30.3) | 36 (35.6) |
| Android owner, no. (%) | 195 (65.0) | 64 (64.0) | 65 (65.7) | 66 (65.4) |
| Online symptom searching prior to visit, no. (%) | ||||
| Searched symptoms online prior to ED | 137 (45.7) | 46 (46.0) | 41 (41.4) | 50 (49.5) |
| Used Google as main search engine | 278 (92.7) | 93 (93.0) | 92 (92.9) | 93 (92.1) |
| Search time in ED, Median (IQI), minutes | 3.82 (2.53–5.72) | 4.13 (2.64–6.03) | 3.45 (2.48–5.10) | – |
IQI inter-quartile interval, JHBV ED Johns Hopkins Bayview Emergency Department, JHH ED Johns Hopkins Hospital Emergency Department, HFD Health related features disabled