Table 1.
Sample characteristics as a function of anxious depression
| Characteristics | Anxious depressed |
Statistics | ||
|---|---|---|---|---|
| no (n = 259) | yes (n = 264) | |||
| Demographic variables | ||||
| Sex female | 169 (65.3) | 184 (69.7) | χ2 = 1.2 | p ≤ 0.278a |
| Race (non-Hispanic white) | 223 (86.1) | 200 (75.8) | χ2 = 9.0 | p ≤ 0.003a |
| Mean age ± SD, years | 42.8 ± 12.6 | 41.9 ± 11.6 | t521 = 0.88 | p ≤ 0.377b |
| Marital status | χ2 = 0.0 | p ≤ 0.936a | ||
| Single | 151 (58.3) | 153 (58.0) | ||
| Partnered | 108 (41.7) | 111 (42.0) | ||
| Mean education ± SD, years | 15.5 ± 2.9 | 14.6 ± 2.9 | t521=3.54 | p ≤ 0.000b |
| Employment | χ2 = 8.6 | p ≤ 0.196a | ||
| Full time | 124 (47.9) | 104 (39.4) | ||
| Part time | 29 (11.2) | 34 (12.9) | ||
| Homemaker/caregiver | 10 (3.9) | 21 (8.0) | ||
| Student | 11 (4.2) | 13 (4.9) | ||
| Retired | 7 (2.7) | 9 (3.4) | ||
| Other | 17 (6.6) | 11 (4.2) | ||
| Unemployed | 61 (23.5) | 72 (27.3) | ||
| Mean depression severity scores ± SD | ||||
| HRSD17 | 18.1 ± 2.8 | 22.7 ± 3.7 | t521 = −16.1 | p ≤ 0.000b |
| BDI | 27.4 ± 8.5 | 30.5 ± 9.1 | t521 = −4.0 | p ≤ 0.000b |
| QIDS-SR | 14.7 ± 4.0 | 16.2 ± 4.2 | t521 = −4.2 | p ≤ 0.000b |
| Mean age at onset ± SD, years | 20.9 ± 11.1 | 21.5 ± 10.5 | χ2 = 0.81 | p ≤ 0.368c |
| Median | 19.0 | 18.0 | ||
| Mean length of current episode ± SD, years | 27.7 ± 52.1 | 22.3 ± 37.0 | χ2 = 0.42 | p ≤ 0.518c |
| Median | 9.0 | 10.0 | ||
| Mean length of illness ± SD, years | 21.5 ± 12.6 | 20.0 ± 11.0 | χ2 = 1.22 | p ≤ 0.269c |
| Median | 19.0 | 19.0 | ||
| Median number of episodes | 3.0 | 4.0 | χ2 = 5.65 | p ≤ 0.017c |
| Current double depression | 14 (5.4) | 13 (4.9) | χ2 = 0.1 | p ≤ 0.804a |
| Current comorbid anxiety disorders | ||||
| Panic disorder without agoraphobia | 10 (3.9) | 23 (8.7) | χ2 = 5.20 | p ≤ 0.023a |
| Panic disorder with agoraphobia | 2 (0.8) | 10 (3.8) | p χ 0.037d | |
| Agoraphobia without panic disorder | 2 (0.8) | 4 (1.5) | p ≤ 0.686d | |
| Social anxiety disorder | 31 (12.0) | 55 (20.8) | χ2 = 7.48 | p ≤ 0.006a |
| Generalized anxiety disorder | 7 (2.7) | 23 (8.7) | χ2 = 8.73 | p ≤ 0.003a |
| Posttraumatic stress disorder | 12 (4.6) | 11 (4.2) | χ2 = 0.07 | p ≤ 0.795a |
| Specific phobia | 9 (3.5) | 29 (11.0) | χ2 = 10.94 | p ≤ 0.001a |
| Comorbid DSM-IV diagnoses | ||||
| Current | 96 (37.1) | 133 (50.4) | χ2 = 9.4 | p ≤ 0.002a |
| Lifetime | 193 (74.5) | 207 (78.4) | χ2 = 1.1 | p ≤ 0.294a |
Figures in parentheses indicate percentages.
a
χ2 statistics for contingency tables.
b
statistics are from t tests for independent samples.
c
χ2 statistics are from Kruskal-Wallis test for medians.
d
p value from Fisher's exact test.