| Age (yr) | 0.793 |
| ≤20 | 116 (22.1) | 100 (86.2) | 16 (13.8) | |
| 21–23 | 322 (61.2) | 273 (84.8) | 49 (15.2) | |
| ≥23 | 88 (16.7) | 77 (87.5) | 11 (12.5) | |
| Gender | 0.017 |
| Male | 122 (23.2) | 102 (83.6) | 20 (16.4) | |
| Female | 384 (73.0) | 335 (87.2) | 49 (12.8) | |
| Undisclosed gender | 20 (3.8) | 13 (65.0) | 7 (35.0) | |
| Year of study | 0.137 |
| 1 | 126 (24.0) | 106 (84.1) | 20 (15.9) | |
| 2 | 137 (26.0) | 122 (89.1) | 15 (10.9) | |
| 3 | 99 (18.8) | 78 (78.8) | 21 (21.2) | |
| 4 | 96 (18.3) | 82 (85.4) | 14 (14.6) | |
| 5 | 68 (12.9) | 62 (91.2) | 6 (8.8) | |
| Program of study | 0.897 |
| Industrial pharmacy | 315 (59.9) | 270 (85.7) | 45 (14.3) | |
| Clinical pharmacy | 211 (40.1) | 180 (85.3) | 31 (14.7) | |
| Residence | 0.307 |
| Home | 86 (16.3) | 69 (80.2) | 17 (19.8) | |
| Off-campus dormitory | 214 (40.7) | 185 (86.4) | 29 (13.6) | |
| On-campus dormitory | 226 (43.0) | 196 (86.7) | 30 (13.3) | |
| Living arrangement | 0.226 |
| With family | 90 (17.1) | 73 (81.1) | 17 (18.9) | |
| With friends | 215 (40.9) | 190 (88.4) | 25 (11.6) | |
| Living alone | 221 (42.0) | 187 (84.6) | 34 (15.4) | |
| Adequacy of monthly income | 0.021 |
| Sufficient | 350 (66.5) | 310 (88.6) | 40 (11.4) | |
| Insufficient | 176 (33.5) | 140 (79.5) | 36 (20.5) | |
| Personal history of ADHD diagnosis | 0.005 |
| Yes | 4 (0.8) | 2 (50.0) | 2 (50.0) | |
| No | 502 (95.4) | 433 (86.3) | 69 (13.7) | |
| Unsure | 20 (3.8) | 15 (75.0) | 5 (25.0) | |
| Family history of ADHD diagnosis | 0.189 |
| Yes | 6 (1.1) | 4 (66.7) | 2 (33.3) | |
| No | 498 (94.7) | 429 (86.1) | 69 (13.9) | |
| Unsure | 22 (4.2) | 17 (77.3) | 5 (22.7) | |
| Traffic violation behavior (in the past 3 months) | 0.013 |
| Ever violated traffic rules | 166 (31.6) | 133 (80.1) | 33 (19.9) | |
| Never violated traffic rules | 303 (57.6) | 271 (89.4) | 32 (10.6) | |
| Unsure | 57 (10.8) | 46 (80.7) | 11 (1.3) | |
| Frequency of drinking (in the past 3 months) | 0.318 |
| Do not drink | 349 (66.3) | 304 (87.1) | 45 (12.9) | |
| Drink less than or equal to ٣ times per week | 43 (8.2) | 38 (88.4) | 5 (11.6) | |
| Drink more than ٣ times per week | 115 (21.9) | 94 (81.7) | 21 (18.3) | |
| Smoking | 0.625 |
| Non-smoker | 517 (98.3) | 443 (85.7) | 74 (14.3) | |
| Smoker | 9 (1.7) | 7 (77.8) | 2 (22.2) | |
| Time spent on the internet/smartphone per day (hr) | 0.040 |
| Less than 4 | 70 (13.3) | 65 (92.4) | 5 (7.1) | |
| 4–6 | 134 (25.5) | 119 (88.8) | 15 (11.2) | |
| More than ٦ | 322 (61.2) | 266 (82.6) | 56 (17.4) | |
| Length of online study/learning session (hr) | 0.027 |
| Less than or equal to ١ | 40 (7.6) | 34 (85.0) | 6 (15.0) | |
| More than 1 up to 2 | 288 (54.8) | 246 (85.4) | 42 (14.6) | |
| More than ٢ up to ٣ | 140 (26.6) | 127 (90.7) | 13 (9.3) | |
| More than 3 | 58 (11.0) | 43 (74.1) | 15 (25.9) | |
| Most frequent time of using online media | 0.053 |
| Daytime | 33 (6.3) | 32 (97.0) | 1 (3.0) | |
| Nighttime | 486 (92.4) | 413 (85.0) | 73 (15.0) | |
| Both | 7 (1.3) | 5 (71.4) | 2 (28.6) | |