Table 1.
Sample characteristics by cohort and overall
| Characteristic | UC (n = 583) | TMS (n = 89) | Total (n = 672) |
P (UC vs TMS) |
|---|---|---|---|---|
| Demographic | ||||
| Age, mean (SD), y | 39.3 (13.9) | 43.2 (14.1) | 39.9 (14.0) | .02 |
| Sex, % (n) | .56 | |||
| Female | 65.0 (379) | 60.7 (54) | 64.4 (433) | |
| Male | 30.5 (178) | 32.6 (29) | 30.8 (207) | |
| Not reported | 4.5 (26) | 6.7 (6) | 4.8 (32) | |
| Insurance type, % (n) | .66 | |||
| Commercial | 89.7 (523) | 85.4 (76) | 89.1 (599) | |
| Medicare | 4.8 (28) | 6.7 (6) | 5.1 (34) | |
| Cash pay | 1.0 (6) | 1.1 (1) | 1.0 (7) | |
| Unknown | 4.5 (26) | 6.7 (6) | 4.8 (32) | |
| Clinical | ||||
| Secondary diagnosis, % (n) | ||||
| GAD | 47.0 (274) | 41.5 (37) | 46.3 (311) | .34 |
| Anxiety NOS | 8.1 (47) | 5.6 (5) | 7.7 (52) | .42 |
| PTSD | 5.0 (29) | 3.4 (3) | 4.8 (32) | .51 |
| PHQ-9 score at baseline, mean (SD) | 15.5 (4.5) | 17.9 (4.7) | 15.8 (4.6) | < .001 |
| No. of failed medications at baseline, meana | 3.1 | 4.0b | 3.2 | < .001 |
| Had previous course(s) of TMS, % (n) | 22 (128) | 27 (24) | 23 (152) | .29 |
Abbreviations: GAD Generalized anxiety disorder, NOS Not otherwise specified, PHQ-9 Patient Health Questionnaire, PTSD Post-traumatic stress disorder, SD Standard deviation, TMS Transcranial magnetic stimulation, UC Usual care
aNumber of failed medications was only tracked as 0, 1, 2, 3, and 4 + , so a standard deviation cannot be accurately calculated
bBecause number of failed medications was only tracked as 0, 1, 2, 3, and 4 + , the mean should be interpreted as 4 +