Post‐TBI cognitive trajectories: Differences by sex/gender, cause, and severity
Notice bibliographique
Résumé
BACKGROUND: While traumatic brain injury (TBI) is recognized as an important risk factor for cognitive health, most research has been conducted on military servicemembers and athletes, often postmortem-primarily (or exclusively) male populations with limited causes of TBI, access to healthcare and monitoring not typical of the general population. The generalizability of these studies, and the impact on TBI at the population level, remains unclear; and little research has been conducted on TBIs among the general population, including women, nor using non-postmortem methods. METHOD: Using TBI and cognition data from the Health and Retirement Study, this paper analyses longitudinal changes in cognition and dementia risk among participants who have experienced TBI after age 50, including differences by sex/gender, TBI cause, and severity. Cognition was measured using a 27-point scale and included immediate and delayed recall, numeracy, and orientation questions. For TBI, participants were asked a series of questions about whether they had had a traumatic brain injury, the date of the injury, cause of that injury, and various sequelae. A dummy variable was coded into having had a TBI or not, and variables were created to indicate the earliest and latest TBI each participant had. Sex/gender was gather in the initial wave and two options (male and female) were given. Multilevel regression was conducted with cognition as the outcome variable and including time since TBI, source of TBI, and sequelae count, as well as sex/gender. Demographic variables, including age, race/ethnicity, education, wealth, veteran status, and histories of homelessness and incarceration were also included. RESULT: In the fully adjusted model, years-since-TBI was statistically significantly associated with a decrease in cognition (b = -0.05, p = 0.008). Interpersonal violence as the cause of TBI was also negatively associated with cognition (b = -0.74, p = 0.004). Neither sex/gender nor TBI sequelae had a statistically significant association with cognition CONCLUSION: TBI may have long-lasting effects on cognitive health well after its occurrence, and these may be compounded when that injury is due to interpersonal violence. More research is needed to analyze the relationship between violence, TBI, and later-life cognition.
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Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,003 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,001 |
| Études des sciences et des technologies | 0,001 | 0,000 |
| Communication savante | 0,001 | 0,001 |
| Science ouverte | 0,000 | 0,001 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,003 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».