Table 3.
Univariate χ2 Analysis of Filled and Unfilled Electronically Prescribed Prescriptionsa
| Variable | Filled (484) | Unfilled (73) | P |
| Age, yb | .0005 | ||
| 18–34 | 53 (11.0) | 20 (27.4) | |
| 35–49 | 127 (26.2) | 19 (26.0) | |
| 50–64 | 232 (47.9) | 23 (31.5) | |
| ≥65 | 72 (14.9) | 11 (15.1) | |
| Sexc | .15 | ||
| Male | 131 (27.1) | 14 (19.2) | |
| Female | 353 (72.9) | 59 (80.8) | |
| Prior antidepressant history (within 1 y prior to electronic prescription date)d | < .0001 | ||
| Naive to all antidepressants | 34 (7.0) | 21 (28.8) | |
| Previous therapy with other antidepressant only | 23 (4.8) | 4 (5.5) | |
| Previous therapy with electronically prescribed antidepressant | 427 (88.2) | 48 (65.8) | |
| Class of electronically prescribed antidepressante | .55 | ||
| Serotonin-norepinephrine reuptake inhibitor | 250 (51.7) | 35 (47.9) | |
| Duloxetine | 98 (39.2) | 15 (42.9) | |
| Venlafaxine | 152 (60.8) | 20 (57.1) | |
| Selective serotonin reuptake inhibitor | 234 (48.3) | 38 (52.1) | |
| Citalopram | 55 (23.5) | 8 (21.1) | |
| Sertraline | 179 (76.5) | 30 (78.9) | |
| Type of health planf | .032 | ||
| Health management organization | 203 (41.9) | 14 (19.1) | |
| Preferred provider organization | 186 (38.4) | 18 (24.7) | |
| Medicare Part D | 33 (6.8) | 39 (53.4) | |
| Indemnity | 62 (12.8) | 2 (2.7) | |
| Prescriber typeg | .43 | ||
| Primary care | 376 (77.7) | 52 (71.2) | |
| Psychiatrist | 72 (14.9) | 13 (17.8) | |
| Other | 36 (7.4) | 8 (11.0) | |
a
All data are presented as no. (%).
b
χ21=17.7815.
c
χ21=2.0497.
d
χ21=34.1929.
e
χ21=0.349.
f
χ21=8.7745.
g
χ21=0.2787.