Table 1.

Demographics and Clinical Characteristics of Prescription and Patient Cohorts

Variable	Cohort
Unique patients, n	267
Sex, n (%)
Female	196 (73.4)
Male	71 (26.6)
Age at date of first electronic prescription, mean (SD), y	51.5 (14.1)
Age range (minimum–maximum), y	20–97
Age range breakdown, n (%), y
18–34	34 (12.7)
35–49	78 (29.2)
50–64	118 (44.2)
≥65	37 (13.9)
No. of unique electronic prescriptions	557
Prescription breakdown, no. (%)
Citalopram	63 (11.3)
Duloxetine	113 (20.3)
Sertraline	209 (37.5)
Venlafaxine	172 (30.9)
Prescription breakdown by class, no. (%)
Serotonin-norepinephrine reuptake inhibitor	272 (48.8)
Selective serotonin reuptake inhibitor	285 (51.2)
Prescription breakdown by sex, no. (%)
Female	412 (74.0)
Male	145 (26.0)
Previous therapy (within 1 y prior to date of electronic prescription), no. (%)
New to all antidepressants	55 (9.9)
Another antidepressant only	27 (4.8)
Electronically prescribed antidepressant	475 (85.3)
Type of health plan, no. (%)
Health management organization	217 (39.0)
Preferred provider organization	204 (36.6)
Medicare Part D	72 (12.9)
Indemnity	64 (11.5)
Type of prescriber, no. (%)
Primary care	428 (76.8)
Psychiatrist	44 (7.9)
Other	85 (15.3)