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- Title
Impact of pet dog or cat exposure during childhood on mental illness during adolescence: a cohort study.
- Authors
Gadomski, Anne; Scribani, Melissa B.; Tallman, Nancy; Krupa, Nicole; Jenkins, Paul; Wissow, Lawrence S.
- Abstract
<bold>Background: </bold>In our prior study of 643 children, ages 4-11 years, children with pet dogs had lower anxiety scores than children without pet dogs. This follow-up study examines whether exposure to pet dogs or cats during childhood reduces the risk of adolescent mental health (MH) disorders.<bold>Methods: </bold>Using a retrospective cohort study design, we merged our prior study database with electronic medical record (EMR) data to create an analytic database. Common MH diagnoses (anxiety, depression, ADHD) occurring from the time of prior study enrollment to 10/27/21 were identified using ICD-9 and ICD-10 codes. We used proportional hazards regression to compare time to MH diagnoses, between youths with and without pets. From 4/1/20 to 10/27/21, parents and youth in the prior study were interviewed about the amount of time the youth was exposed to a pet and how attached s/he was to the pet. Exposure included having a pet dog at baseline, cumulative exposure to a pet dog or cat during follow-up, and level of pet attachment. The main outcomes were anxiety diagnosis, any MH diagnosis, and MH diagnosis associated with a psychotropic prescription.<bold>Results: </bold>EMR review identified 571 youths with mean age of 14 years (range 11-19), 53% were male, 58% had a pet dog at baseline. During follow-up (mean of 7.8 years), 191 children received a MH diagnosis: 99 were diagnosed with anxiety (52%), 61 with ADHD (32%), 21 with depression (11%), 10 with combined MH diagnoses (5%). After adjusting for significant confounders, having a pet dog at baseline was associated with lower risk of any MH diagnosis (HR = 0.74, p = .04) but not for anxiety or MH diagnosis with a psychotropic prescription. Among the 241 (42%) youths contacted for follow-up, parent-reported cumulative exposure to pet dogs was borderline negatively associated with occurrence of any MH diagnosis (HR = 0.74, p = .06). Cumulative exposure to the most attached pet (dog or cat) was negatively associated with anxiety diagnosis (HR = 0.57, p = .006) and any MH diagnosis (HR = 0.64, p = .013).<bold>Conclusion: </bold>Cumulative exposure to a highly attached pet dog or cat is associated with reduced risk of adolescent MH disorders.
- Subjects
MALIGNANT hyperthermia; CAT diseases; MENTAL illness; DOGS; MEDICAL record databases; ANIMAL-assisted therapy; ELECTRONIC health records; PETS
- Publication
BMC Pediatrics, 2022, Vol 22, Issue 1, p1
- ISSN
1471-2431
- Publication type
journal article
- DOI
10.1186/s12887-022-03636-0