Table 2 Multivariable logistic regression models of factors associated with probable depression in caregivers of children with ADHD

Demographics of caregivers:

 Medical morbidities of caregivers

  Mental disorder

5.34 (1.62–17.62)

0.006

COVID-19-related stressors:

 Child vaccination

  Non-vaccinated

Reference

N/A

  1 dose or more

0.53 (0.19–1.48)

0.224

 Caregiver stress due to school dismissal

  No or some difficulties

Reference

N/A

  Many or a lot of difficulties

2.67 (0.99–7.19)

0.052

Child-related factors:

 Number of COVID-19-related stressors

  0

Reference

N/A

  1–2

5.52 (1.67–18.24)

0.005

  3 or more

3.31 (0.96–11.38)

0.058

 ADHD symptom severity (SWAN)

  Inattention

1.05 (0.97–1.13)

0.223

  Hyperactivity/impulsivity

1.04 (0.97–1.11)

0.307

 Internalizing and externalizing symptoms (SDQ)

  Emotional symptoms

1.34 (1.06–1.70)

0.016

  Conduct problems

0.98 (0.68–1.42)

0.928

  Peer relationship problems

1.19 (0.89–1.59)

0.250

 Insomnia

  None or mild

Reference

N/A

  Moderate to very severe

8.84 (2.87–27.22)

< 0.001

Nagelkerke R²

0.500

N/A

χ²

40.2

< 0.001