Table 1.
Sociodemographic and clinical sample characteristics at baseline
| Variable | Total | IF | SF | χ 2 | p | |
|---|---|---|---|---|---|---|
| Sociodemographic characteristics | ||||||
| Agea | M (SD) | 45.7 (11.3) | 45.7 (11.8) | 45.8 (10.7) | 0.166b | .868 |
| Female sex | n (%) | 714 (65.6) | 360 (64.9) | 354 (66.3) | 0.246 | .620 |
| Unemployed | n (%) | 127 (11.8) | 59 (10.6) | 68 (12.7) | 1.169 | .280 |
| Lower level of formal educationc | n (%) | 336 (30.9) | 160 (28.8 | 176 (33.3) | 5.673 | .140 |
| Marital status | ||||||
| Single | n (%) | 373 (34.3) | 196 (35.3) | 177 (33.1) | 1.301 | .521 |
| Married | n (%) | 561 (51.5) | 286 (51.5) | 275 (51.5) | ||
| Widowed/divorced | n (%) | 155 (14.2) | 73 (13.2) | 82 (15.4) | ||
| Clinical baseline characteristics | ||||||
| PHQ‐9 | M (SD) | 11.8 (3.4) | 11.9 (13.4) | 11.7 (3.5) | 1.044b | .297 |
| SCID‐I diagnosis | ||||||
| Current MDD | n (%) | 458 (42.1) | 247 (44.5) | 211 (39.5) | 3.194 | .670 |
| Remitted MDD | n (%) | 285 (26.2) | 137 (24.7) | 148 (27.7) | ||
| Dysthymia | n (%) | 90 (8.3) | 46 (8.3) | 44 (8.2) | ||
| Double depression | n (%) | 58 (5.3) | 27 (4.9) | 31 (5.8) | ||
| Bipolar or NOSd | n (%) | 65 (6.0) | 32 (5.8) | 33 (6.2) | ||
| No affective disorder Diagnosis (current/past) | n (%) | 133 (12.2) | 66 (11.9) | 67 (12.5) | ||
| Expectationsa | M (SD) | 10.0 (4.0) | 9.9 (4.0) | 10.1 (4.0) | 0.462b | .644 |
| Perseverative thinkinga | M (SD) | 37.4 (8.7) | 37.2 (8.8) | 37.6 (8.7) | 0.739b | .460 |
| Perceived social support | M (SD) | 25.7 (5.0) | 25.5 (5.0) | 25.8 (5.0) | 1.051b | .294 |
N = 1,089.
Abbreviations: IF, individualized feedback (n = 555); NOS, not otherwise specified; PHQ‐9, Patient Health Questionnaire‐9; SCID‐I, structured clinical interview for DSM‐IV; SF, standardized feedback (n = 534).
a
Variables have some missing values: age, n = 1,081; expectations, n = 1,081; PHQ‐9, n = 1,067.
b
t test for independent samples.
c
“lower” category encompasses no certificate or certificates from lower secondary/secondary school, “higher” category encompassing certificates from trade school/college‐preparatory school, college, or university.
d
Individuals with bipolar disorders were included only if they were not experiencing current mania/hypomania.