Table 1

Quantitative outcomes for all participants throughout the study period

Participant 1Participant 2Participant 3Participant 4Participant 5Participant 6Participant 7Participant 8
Intervention group statusInterventionInterventionWaiting listWaiting listInterventionInterventionWaiting listWaiting list
Initial screening
 IOTF classification†22212111
Baseline assessment
 IOTF classification†22N/AN/A21N/AN/A
Second baseline for waiting list controls
 IOTF classification†N/AN/A21N/AN/A11
Intervention session 4
 IOTF classification†22212111
Intervention session 8
 IOTF classification†2221211
Final session (endpoint)
 IOTF classification†2212111
 IOTF classification2†2221111
  • ‘–’ indicates missing data.

  • BMI adjusted for age and sex to assess overweight/obesity; IOTF (Extended IOTF) classification: 1=overweight; 2=very overweight/obese; CGAS: 51–60=some noticeable problems (problems in more than one area); 61–70=some problems (problems in one area); 71–80=doing all right (minor impairment); 81–90=doing well.

  • *Self-report by adolescent or assessed in private by a member of the research team.

  • †Assessed by a member of the research team.

  • ‡Consensus coding by the psychiatrist and a member of the research team.

  • §Self-report by adolescent.

  • BMI, Body Mass Index; CGAS, Children’s Global Assessment Scale; DD-NOS, depressive disorder not otherwise specified; HoNOSCA, Health of the Nation Outcome Scales for Children and Adolescents; IOTF, International Obesity Task Force; K-SADS, Kiddie-Sads-Present and Lifetime Version; MDD, major depressive disorder; MFQ-SF, Mood and Feelings Questionnaire—Short Form; N/A, not applicable.