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. 2023 Oct 24;2023(10):CD014722. doi: 10.1002/14651858.CD014722.pub2

Osborn 2020.

Study characteristics
Methods Study design: RCT
Duration of study: the study was conducted between 2019 and 2020.
Country: Kenya
Income classification: low‐middle‐income country in 2019 and 2020
Geographical scope: urban, Kiambu County, outskirts of Nairobi
Healthcare setting: private secondary school
Participants 1. Age: 13‐18 years
2. Gender: both
3. Socioeconomic background: private boarding school admitting low‐income students
4. Educational background: 1‐3rd form (grades 9‐11)
Inclusion criteria:
a. participants must be aged between 13 and 18 years;
b. all Kenyan high school students;
c. male and female.
Exclusion criteria:
there were no exclusion criteria for any participant who met the inclusion criteria.
Note: at baseline, the intervention and control group scores for Patient Health Questionnaire‐8 (PHQ‐8) were, respectively, 10.60 (5.37) and 9.68 (4.75).
Stated purpose
Psychosocial purpose of the trial: to reduce depressive and anxiety symptoms and to improve overall well‐being in Kenyan high school students.
Interventions Name: Shamiri‐Digital Wellness
Title/name of PW and number: no PWs
1. Selection—self‐help intervention: no PWs
2. Educational background: no PWs
3. Training: the intervention was an internet‐based digital intervention (one of the modules included a “growth testimonial” by a peer; feedback from recent school graduates [peers] was involved in the adaptation to digital form).
4. Supervision: students were informed that they could talk to the study staff should they be distressed and that depending on the kind and severity of the distress, the staff would seek help per local customs and regulations in the school.
5. Incentives/remuneration: not specified
Prevention type: indicated – participants presented with some level of distress as indicated by the PHQ‐8 scores.
Intervention details: the Shamiri‐Digital intervention consists of three modules: growth mindset, gratitude, and value affirmation. In the growth‐mindset module, participants learned about the brain’s ability to grow in response to challenges in various domains (e.g. academic, interpersonal, and personality traits). Then, participants read a growth testimonial written by a Kenyan peer. Afterward, participants wrote their own growth stories about a challenge they faced and overcame. In the gratitude module, participants learned about the importance of practising and expressing gratitude. In a “good things” exercise, participants listed three good things in their lives for which they were grateful. In the value‐affirmation module, participants learned about the importance of affirming personal values (presented as “virtues,” the more common term in Kenya). Participants wrote about a time in which they used their values to guide life decisions. The programme included no audio or multimedia content.
Manual: full intervention available online at http://supp.apa.org/psycarticles/supplemental/ccp000050/ccp0000505_supp.html
Control: active control—it consisted of two modules, note‐taking skills and effective study habits. In the first module, participants learned a step by‐ step framework for note‐taking. Participants then reflected on how they could use this framework to improve their studying, and they practised by applying the skill to a brief article. In the module on effective study habits, they learned five study habits they could use to optimize the time spent studying.
Outcomes Participants’outcomes of interest for this review
  1. Depressive symptoms – PHQ‐8

  2. Anxiety symptoms – Generalized Anxiety Disorder Screener‐7 (GAD‐7)

  3. Quality of life – shortened Warwick‐Edinburgh Mental Wellbeing Scale (SWEMWBS)


Carers’outcomes of interest for this review
Nil
Economic outcomes
Nil
Time points: baseline, post‐intervention (< 1 month)
Notes Source of funding: not available
Notes on validation of instruments (screening and outcomes):
PHQ‐8: the PHQ‐8 has also demonstrated adequate internal consistency (α = 0.73) and discriminant validity with Kenyan adolescents. Cronbach’s alpha for the PHQ‐8 in the present study was 0.73.
GAD‐7: it has shown adequate internal consistency (α = 0.78) and discriminant validity with Kenyan youths. In the present study, the Cronbach’s alpha for the GAD‐7 was 0.82.
SWEMWBS: the Cronbach’s alpha for the SWEMWBS in the present sample was 0.70.
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Handling the data—supplementary materials available: dx.doi.org/10.1037/ccp0000505.supp
Prospective trial registration number: PACTR201906810558181