Healthy lifestyle intervention impacts on cognition and habits for individuals with traumatic brain injury: Secondary analysis of a randomized controlled trial
Bibliographic record
Abstract
To examine the impact of a healthy lifestyle intervention adapted for survivors of traumatic brain injury (TBI) classified as overweight or obese on cognition and habits. Setting is community-based intervention. Participants (n = 57) were adult survivors of moderate or severe TBI at least 6-month post-injury with a body mass index of ≥25 kg/m2. We conducted secondary analysis of a 12-month randomized controlled trial of a healthy lifestyle intervention (GLB-TBI) compared to an attention control group (BHG); primary study analyses previously demonstrated statistically and clinically significant weight loss of 7.9%, enhanced blood pressure, improved lipids, and good attendance and self-monitoring. Primary outcomes included the Montreal Cognitive Assessment and the Self-Report Habit Index. Average cognitive function for the GLB-TBI group significantly improved, whereas the average score for BHG decreased (β = 1.8 [0.29, 3.31]; p = 0.02). There were no significant differences in perceived habit strength. Although both groups perceived improvement in healthy habits, only the GLB-TBI group focused on evidence-based dietary and physical activity changes, resulted in improved cognitive function. Healthcare providers should consider referrals for healthy lifestyle interventions for survivors of brain injury who are overweight/obese, particularly for those experiencing sustained cognitive deficits.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.029 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".