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The problem
Intervention: Early (within 14 days) versus delayed (after 14 days) start of a structured psycho-educational intervention
Who it was tested with: 244 adolescents with depressive disorder treated between January 2022 and December 2024 (country hint: China).
The same group is measured before the intervention and again afterwards, with a baseline and an endline and sometimes a midline. Change is visible, but other causes cannot be ruled out.
"This retrospective cohort study included 244 adolescents with depressive disorder treated between January 2022 and December 2024." This is an observational comparison of timing groups rather than a randomised or quasi-experimental trial, so the lower tier applies.
Retrospective and non-randomised, so confounding is possible. The outcomes are short-term and come from a single questionnaire. The abstract does not describe the intervention in detail, and every adolescent received an intervention, so there is no untreated comparison. Because the design is not clearly experimental, the lower tier was chosen.
Across countries and designs
1 study · 1 country
