Table 1.
Demographic and clinical characteristics of the patients at baseline
| Patients who entered the CBT but did not complete | Patients who completed the CBT but not the 3-month FU assessments | Patients who completed the the 3-month but not the 12-month FU assessments | Patients who provided both FU assessments | P value | |
|---|---|---|---|---|---|
| Number of subjects | 9 | 4 | 4 | 40 | |
| Female, No. (%) | 3 (33.3) | 2 (50.0) | 2 (50.0) | 23 (57.5) | 0.63 |
| Age, years | |||||
| Mean ± SD | 27.4 ± 8.8 | 34.2 ± 9.3 | 34.2 ± 9.3 | 34.2 ± 8.9 | 0.12 |
| Range | 18-47 | 18-52 | 18-52 | 18-52 | |
| Onset of SAD, years | |||||
| Mean ± SD | 17.1 ± 4.2 | 19.4 ± 7.8 | 19.4 ± 7.8 | 19.6 ± 7.8 | 0.12 |
| Range | 12-23 | 5-42 | 5-42 | 5-42 | |
| Living situation, No (%) | 0.03* | ||||
| With spouse/significant-other | 0 (0.0) | 1 (25.0) | 2 (50.0) | 20 (50.0) | |
| With parents | 5 (55.6) | 3 (75.0) | 2 (50.0) | 16 (40.0) | |
| Alone | 4 (44.4) | 0 (0.0) | 0 (0.0) | 4 (10.0) | |
| Employment | 0.61 | ||||
| Full-time employment | 2 (22.2) | 1 (25.0) | 1 (25.0) | 10 (25.0) | |
| Full-time student | 2 (22.2) | 0 (0.0) | 0 (0.0) | 2 (5.0) | |
| Part-time/homemaker/retired | 3 (33.3) | 2 (50.0) | 3 (75.0) | 23 (55.0) | |
| Unemployed | 2 (22.2) | 1 (25.0) | 0 (0.0) | 6 (15.0) | |
| Education, No. (%) | 0.61 | ||||
| University | 2 (22.2) | 1 (25.0) | 1 (25.0) | 15 (37.5) | |
| College | 1 (11.1) | 3 (75.0) | 1 (25.0) | 10 (25.0) | |
| High school or less | 6 (66.6) | 0 (0.0) | 2 (50.0) | 15 (37.5) | |
| Social phobia, No. (%) generalized | 8 (88.8) | 4 (100.0) | 3 (75.0) | 34 (85.0) | 0.72 |
| Comorbidity, No. (%) | |||||
| Mood disorders | 2 (22.2) | 4 (100.0) | 2 (50.0) | 14 (35.0) | 0.05 |
| Anxiety disorders | 1 (11.1) | 1 (25.0) | 0 (0.0) | 4 (10.0) | 0.71 |
| Medication, No. (%) | |||||
| Benzodiazepine | 4 (44.4) | 0 (0.0) | 1 (25.0) | 11 (27.5) | 0.20 |
| Antidepressant | 7 (77.8) | 2 (50.0) | 2 (50.0) | 20 (50.0) | 0.50 |
| SF-36 | |||||
| Physical functioning | 85.6 ± 14.7 | 91.3 ± 11.8 | 82.5 ± 22.2 | 88.6 ± 14.3 | 0.79 |
| Role-physical | 75.0 ± 43.3 | 62.5 ± 43.3 | 56.3 ± 51.5 | 68.6 ± 36.6 | 0.87 |
| Bodily pain | 90.3 ± 19.4 | 64.3 ± 29.4 | 66.5 ± 32.5 | 65.8 ± 25.3 | 0.08 |
| General health perception | 47.2 ± 22.4 | 49.8 ± 26.3 | 44.3 ± 26.3 | 45.1 ± 22.1 | 0.98 |
| Vitality | 42.2 ± 23.6 | 45.0 ± 5.8 | 20.0 ± 18.3 | 39.6 ± 21.1 | 0.28 |
| Social functioning | 45.8 ± 23.4 | 56.3 ± 21.7 | 65.6 ± 38.7 | 58.7 ± 30.2 | 0.63 |
| Role-emotional | 51.9 ± 44.4 | 50.0 ± 43.0 | 41.7 ± 50.0 | 57.3 ± 40.4 | 0.89 |
| Mental health | 44.9 ± 14.9 | 48.0 ± 3.3 | 36.0 ± 15.0 | 47.9 ± 20.5 | 0.67 |
| SPS (total) | 44.0 ± 13.7 | 47.3 ± 28.0 | 34.0 ± 6.2 | 33.7 ± 12.5 | 0.08 |
| SIAS (total) | 55.3 ± 9.8 | 64.5 ± 26.4 | 51.3 ± 11.2 | 51.0 ± 13.3 | 0.29 |
| SCL-90-R depression | 1.67 ± 0.96 | 1.52 ± 0.75 | 1.35 ± 0.89 | 1.50 ± 0.87 | 0.93 |
P-values were calculated using one-way ANOVA for continuous variables and using χ2 statistic for categorical variables.
Appendices: FU, follow-up; SAD, social anxiety disorder; SCL-90-R, Symptom Checklist-90-Revised; SF-36, Short Form 36; SIAS, Social Interaction Anxiety; SPS, Social Phobia Scale
(* P < 0.05, ** P < 0.005)