Figure 1

Overview of the Cool Kids Social Enhanced Program
| Session number | Participants | Session content | Homework practice tasks |
|---|---|---|---|
| S-1 | T, Y, P | - Rapport building | - Complete “Getting to know anxiety” |
| S-2 | T, Y, P | - Continue rapport building | - Attention training |
| S-3 | T, Y, P | - Introduce cognitive restructuring (detective thinking) | - Attention training continued |
| S-4 | T, Y, P | - Detective thinking to cost | - Detective thinking incl. cost |
| S-5 | T, P | - Parenting an adolescent with SAD | - Changing my response as a parent |
| S-6 | T, Y, P | - Introduce safety traps | - Conduct 2-4 planned experiments that focus on undoing safety traps |
| S-7 | T, Y, P | - Review safety trap experiments and task-focused attention - Conduct the video-feedback experiment - Introduce the importance of obtaining an accurate self-perception - Obtaining accurate self-perception using feedback - Conduct additional in session experiments | - Implement min. 2-4 planned experiments using feedback in the recording form - Daily experiment practice - Use detective evidence sheet as supplement to the experiments - Continue task-focus attention training |
| S-8 | T, Y, P | - Review and revise experiments that utilize feedback | - Daily experiment practice (incl. min. 2-4 planned extra challenge experiments) |
| S-9 | T, Y, P | - Review and revise extra challenge experiments and post-event detective thinking | - Daily experiments (including large experiments) |
| S-10 | T, Y, P | - Review of goals | - Continue to practice skills |
| Booster | T, Y,P | - Focusing on maintaining and continuing the progress. | - Continue to practice skills |
Estimated Slopes (Change) from Baseline- to Post Intervention and Post Intervention to 1-Year Follow-Up
| Outcome | Respondent | Baseline to post intervention β [95% CI] | Post intervention to 1-year follow-up β [95% CI] |
|---|---|---|---|
| SCAS total | Youth | -1.44 [-1.78, -1.10]*** | 0.08 [-0.15, 0.30] |
| Mother | -1.18 [-1.59, -0.77]*** | 0.02 [-0.13, 0.17] | |
| Father | -0.82 [-1.41, -0.23]** | 0.04 [-0.16, 0.24] | |
| SCAS social phobia subscale | Youth | -0.29 [-0.41, -0.17]*** | 0.02 [-0.04, 0.08] |
| Mother | -0.21 [-0.33, -0.09]*** | -0.01 [-0.05, 0.03] | |
| Father | -0.14 [-0.28, -0.00]* | -0.02 [-0.06, 0.02] | |
| CALIS total | Youth | -0.44 [-0.60, -0.27]*** | 0.06 [-0.06, 0.18] |
| Mother | -0.71 [-1.12, -0.31]*** | -0.05 [-0.19, 0.09] | |
| Father | -0.54 [-1.00, -0.08]* | -0.05 [-0.25, 0.16] | |
| MFQ | Youth | -0.28 [-0.45, -0.10]** | 0.07 [-0.01, 0.14] |
| Mother | -0.12 [-0.33, 0.09] | 0.00 [-0.06, 0.06] | |
| Father | -0.11 [-0.27, 0.05] | -0.02 [-0.07, 0.03] | |
| SEQ total | Youth | 0.74 [0.42, 1.05]*** | -0.07 [-0.24, 0.09] |
| SAFE | Youth | -1.07 [-1.50, -0.64]*** | -0.09 [-0.25, 0.06] |
| CATS total | Youth | -1.02 [-1.39, -0.65]*** | 0.11 [-0.06, 0.27] |
| FAQ - self focus | Youth | -0.30 [-0.42, -0.17]*** | 0.01 [-0.07, 0.08] |
| FAQ - external focus | Youth | -0.08 [-0.18, 0.02] | 0.01 [-0.04, 0.06] |
| PTQ | Youth | -0.76 [-1.18, -0.34]*** | -0.05 [-0.18, 0.09] |
| DASS anxiety | Mother | -0.08 [-0.23, 0.06] | 0.04 [0.00, 0.08] |
| DASS depression | Mother | -0.16 [-0.41, 0.09] | 0.05 [-0.02, 0.12] |
| DASS stress | Mother | -0.01 [-0.26, 0.25] | 0.02 [-0.07, 0.10] |
| DASS anxiety | Father | - | - |
| DASS depression | Father | 0.10 [-0.10, 0.30] | -0.02 [-0.11, 0.07] |
| DASS stress | Father | 0.05 [-0.14, 0.24] | -0.04 [-0.10, 0.02] |
Treatment Satisfaction at Post-Intervention
| Item | Respondent | Response categories | ||
|---|---|---|---|---|
| Not True | Partly True | Certainly True | ||
| The treatment helped me/my child | Youth | 0 | 3 (25%) | 9 (75%) |
| Mother | 0 | 4 (31%) | 9 (69%) | |
| Father | 0 | 3 (33%) | 7 (67%) | |
| We feel better in the family now than before treatment | Youth | 3 (25%) | 6 (50%) | 3 (25%) |
| Mother | 0 | 4 (31%) | 9 (69%) | |
| Father | 0 | 2 (20%) | 8 (80%) | |
| If a friend needed similar help, I would recommend the | Youth | 0 | 11 (92%) | 1 (8%) |
| treatment | Mother | 0 | 0 | 13 (100%) |
| Father | 0 | 1 (10%) | 9 (90%) | |
| I trusted the therapist | Youth | 0 | 2 (17%) | 10 (83%) |
| Mother | 0 | 0 | 13 (100%) | |
| Father | 0 | 1 (10%) | 9 (90%) | |
| The therapist had an understanding of my worries and issues | Youth | 0 | 3 (25%) | 9 (75%) |
| After treatment I felt like being with my friends more | Youth | 2 (16%) | 5 (42%) | 5 (42%) |
| The treatment helped me (the parent) | Mother | 0 | 2 (15%) | 11 (85%) |
| Father | 1 (10%) | 2 (20 %) | 7 (70%) | |
| I have been given enough information about the purpose | Mother | 0 | 1 (8%) | 12 (92%) |
| and course of treatment prior to the start | Father | 0 | 2 (20%) | 8 (80%) |
| During the treatment I managed to change my behavior | Mother | 0 | 3 (23%) | 10 (77%) |
| towards my child in a positive way | Father | 0 | 1 (10%) | 9 (90%) |
| During the treatment I got a better understanding of my | Mother | 0 | 0 | 13 (100%) |
| child’s psychological well-being | Father | 0 | 1 (10%) | 9 (90%) |
| The treatment made me/my child feel worse | Youth | 11 (92%) | 1 (8%) | 0 |
| Mother | 13 (100%) | 0 | 0 | |
| Father | 10 (100%) | 0 | 0 | |
| The treatment made me (the parent) feel worse | Mother | 13 (100%) | 0 | 0 |
| Father | 10 (100%) | 0 | 0 | |
Mean Scores, Standard Deviations and Effect-Sizes
| Outcome | Respondent | Baseline | Post intervention | 3 month follow-up | 1 year follow-up | Baseline - post intervention: effect size | Post - 1 year follow-up: effect size |
|---|---|---|---|---|---|---|---|
| ADIS-IV: CSR on SAD | CSR rating* | 6.23 (0.44) | 5.58 (0.79) | 4.77 (1.83) | - | d = 1.02 | d = 0.59 |
| SCAS total | Youth | 53 (16.81) | 35.33 (13.74) | 37.22 (13.09) | 39 (22.09) | d = 1.15 | d = -0.21 |
| Mother | 48.46 (15.03) | 34.85 (16.09) | 30.08 (13.92) | 33.83 (21.32) | d = 0.87 | d = 0.05 | |
| Father | 43.09 (10.27) | 34.7 (16.57) | 25.5 (7.93) | 29.71 (15.51) | d = 0.62 | d = 0.31 | |
| SCAS social phobia | Youth | 12.77 (3.24) | 8.75 (3.44) | 9.44 (3.09) | 9.63 (4.34) | d = 1.2 | d = -0.23 |
| subscale | Mother | 14.23 (2.52) | 11.77 (3.52) | 10.92 (4.14) | 10.75 (4.29) | d = 0.80 | d = 0.26 |
| Father | 13.36 (2.01) | 11.6 (3.06) | 10.88 (3.44) | 10.43 (1.72) | d = 0.69 | d = 0.45 | |
| CALIS total | Youth | 19.46 (5.64) | 13.67 (6.75) | 14.56 (5.46) | 16.88 (10.09) | d = 0.93 | d = -0.39 |
| Mother | 37.69 (8.45) | 30 (10.65) | 25.17 (13.13) | 26.08 (13.21) | d = 0.80 | d = 0.33 | |
| Father | 35.27 (9.26) | 31.4 (9.72) | 22.75 (7.05) | 27.29 (13.59) | d = 0.41 | d = 0.36 | |
| MFQ | Youth | 12.62 (7.18) | 9.67 (7.29) | 9.22 (7.16) | 12.5 (9.15) | d = 0.41 | d = -0.35 |
| Mother | 9.62 (6.45) | 8.23 (7.01) | 7.08 (8.34) | 7.33 (6.96) | d = 0.21 | d = 0.13 | |
| Father | 6.55 (3.56) | 4.8 (3.39) | 4.63 (4.60) | 3.29 (2.36) | d = 0.50 | d = 0.50 | |
| SEQ total | Youth | 59.62 (11.33) | 69.25 (14.45) | 69.11 (14.08) | 63.88 (20.29) | d = 0.75 | d = -0.32 |
| SAFE | Youth | 91.62 (16.19) | 78.5 (12.99) | 75.33 (18.70) | 73.63 (16.13) | d = 0.89 | d = 0.34 |
| CATS total | Youth | 34.46 (20.56) | 22.08 (17.07) | 22.44 (20.30) | 26.13 (23.53) | d = 0.65 | d = -0.20 |
| FAQ self-focus | Youth | 17.38 (4.05) | 13.92 (3.70) | 13.89 (5.09) | 14.75 (6.23) | d = 0.89 | d = -0.17 |
| FAQ external focus | Youth | 14.38 (2.47) | 13.67 (1.67) | 13 (3.16) | 14.25 (3.65) | d = 0.34 | d = -0.22 |
| PTQ | Youth | 36.92 (11.94) | 27.75 (13.46) | 23.67 (16.48) | 23.75 (17.38) | d = 0.72 | d = 0.26 |
| DASS anxiety | Mother | 3.38 (5.20) | 1.69 (2.78) | 2.92 (3.68) | 3.17 (3.97) | d = 0.41 | d = -0.43 |
| DASS depression | Mother | 6.08 (10.77) | 2.92 (3.88) | 4.67 (7.34) | 4.25 (6.22) | d = 0.39 | d = -0.26 |
| DASS stress | Mother | 8.38 (7.7) | 8.38 (6.97) | 7.67 (8.05) | 8.5 (7.70) | d = 0.0 | d = -0.02 |
| DASS anxiety | Father | 1.64 (3.56) | 1.6 (2.76) | 0.38 (0.74) | 0.14 (0.38) | d = 0.01 | d = 0.68 |
| DASS depression | Father | 3.27 (8.66) | 4.4 (6.88) | 5.75 (8.53) | 2.86 (2.85) | d = -0.14 | d = 0.27 |
| DASS stress | Father | 4.09 (4.74) | 4.7 (4.37) | 4.25 (3.11) | 2.29 (2.63) | d = -0.13 | d = 0.64 |