Table 2 Univariate comparison of respondents stratified by use of MPH
From: Methylphenidate use and misuse among medical residents in Israel: a cross-sectional study
|  | Misusers N = 120 | Users N = 56 | Non-users N = 166 | P value |
|---|---|---|---|---|
Age | ||||
 Mean (SD) | 36.2 (3.48) | 37.3 (2.99) | 36.4 (3.35) | 0.134 |
| Â | n (%) | n (%) | n (%) | Â |
|---|---|---|---|---|
Gender | ||||
 Female | 71 (32.7) | 34 (15.7) | 112 (51.6) | 0.317 |
 Male | 49 (39.2) | 22 (17.6) | 54 (43.2) |  |
Country of birth | ||||
 Israel | 90 (32.3) | 49 (17.6) | 140 (50.2) | 0.064 |
 Other | 30 (47.6) | 7 (11.1) | 26 (41.3) |  |
Native language | ||||
 Hebrew | 85 (32.3) | 50 (19) | 128 (48.7) | 0.026 |
 Other | 35 (44.3) | 6 (7.6) | 38 (48.1) |  |
Residency | ||||
 Surgery | 41 (45.6) | 20 (22.2) | 29 (32.2) |  |
 Pediatrics/internal medicine | 39 (39.4) | 13 (13.1) | 47 (47.5) | < 0.001 |
 Family medicine | 23 (24) | 10 (10.4) | 63 (65.6) |  |
 Other | 17 (29.8) | 13 (22.8) | 27 (47.4) |  |
ASRS—positive | 29 (24.2) | 34 (60.7) | 30 (18.1) | < 0.001 |
First use of MPH | ||||
 Pre-clinical years of medical school | 17 (14.2) | 34 (60.7) |  |  |
 Clinical years of medical school | 33 (27.5) | 8 (14.3) |  | < 0.001 |
 Residency | 70 (58.3) | 14 (25) |  |  |
Frequency of MPH use | ||||
 As needed | 46 (38.3) | 9 (16.1) |  |  |
 Daily (< 1 month) | 32 (26.7) | 7 (12.5) |  |  |
 Daily (≥ 1 month) | 32 (26.7) | 35 (62.5) |  | < 0.001 |
 No response | 10 (8.3) | 5 (8.9) |  |  |
Use for exams | ||||
 Yes | 106 (88.3) | 48 (85.7) |  | 0.807 |
Average attitude scorea | ||||
 Mean (SD) | 2.23 (0.74) | 2.72 (0.86) | 3.40 (0.80) | < 0.001 |