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Table 4 Pairwise comparisons for the best-fitting mixed models for each dependent variable

From: The impact of COVID-19 and bushfires on the mental health of Australian adolescents: a cross-sectional study

Pairwise comparison

Psychological Distress

Depression

Anxiety

Insomnia

Suicidal Ideation

COVID-19 Trauma

Bushfire Trauma

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Adverse childhood experiences

 No (ref) vs yes

3.21 (2.73, 3.78)*

3.62 (2.83, 4.63)*

2.38 (1.96, 2.90)*

2.01 (1.59, 2.56)*

6.27 (3.54, 11.10)*

2.09 (1.74, 2.51)*

1.45 (0.92, 2.29)

Mental illness history

 No (ref) vs yes

3.38 (2.88, 3.98)*

3.22 (2.69, 3.85)*

3.28 (2.76, 3.89)*

2.47 (2.04, 3.00)*

3.31 (2.51, 4.37)*

1.77 (1.49, 2.09)*

1.58 (1.07, 2.34)

Gender

       

 Male (ref) vs female

3.65 (3.01, 4.43)*

2.41 (1.87, 3.10)*

4.85 (3.76, 6.24)*

2.36 (1.77, 3.13)*

2.20 (1.43, 3.41)*

2.44 (1.96, 3.03)*

2.07 (1.26, 3.40)*

 Male (ref) vs other

8.30 (4.64, 14.85)*

6.97 (4.10, 11.84)*

8.33 (4.95, 14.01)*

4.97 (2.90, 8.50)*

5.85 (2.86, 12.00)*

3.10 (1.90, 5.07)*

1.48 (0.45, 4.81)

 Female (ref) vs other

2.27 (1.29, 4.02)*

2.89 (1.76, 4.77)*

1.72 (1.06, 2.79)

2.11 (1.23, 3.45)*

2.66 (1.41, 4.99)*

1.27 (0.80, 2.03)

0.71 (0.22, 2.24)

Sexual orientation

 Heterosexual (ref) vs sexuality

diverse

3.30 (2.53, 4.30)*

3.77 (2.84, 4.99)*

2.40 (1.82, 3.17)*

2.33 (1.71, 3.19)*

3.53 (2.28, 5.49)*

1.97 (1.50, 2.57)*

3.10 (1.56, 5.99)*

 Heterosexual (ref) vs unsure

1.59 (1.91, 2.10)*

1.45 (1.01, 2.08)

1.30 (0.93, 1.82)

1.17 (0.78, 1.77)

1.40 (0.74, 2.66)

1.08 (0.78, 1.51)

1.18 (0.53, 2.60)

 Sexuality diverse (ref) vs

unsure

0.48 (0.34, 0.69)*

0.38 (0.26, 0.58)*

0.54 (0.37, 0.80)*

0.50 (0.32, 0.79)*

0.40 (0.20, 0.78)*

0.55 (0.38, 0.81)*

0.39 (0.15, 0.98)

Perceived household wealth

 High (ref) vs low

1.41 (1.20, 1.67)*

1.46 (1.18, 1.81)*

1.46 (1.20, 1.78)*

1.47 (1.16, 1.85)*

1.36 (0.96, 1.92)

1.29 (1.07, 1.55)*

1.18 (0.75, 1.85)

Language spoken most at home

 English (ref) vs other

1.18 (0.91, 1.54)

1.16 (0.83, 1.61)

0.76 (0.54, 1.05)

0.95 (0.65, 1.39)

1.20 (0.69, 2.07)

1.25 (0.94, 1.65)

1.22 (0.53, 2.79)

COVID-19 diagnosis/quarantine

 No (ref) vs yes

1.25 (1.04, 1.50)

1.25 (1.00, 1.55)

1.22 (0.99, 1.50)

1.24 (0.98, 1.56)

1.30 (0.92, 1.84)

1.55 (1.28, 1.87)*

1.40 (0.92, 2.15)

Bushfire personal harm

 No (ref) vs yes

N/A

1.40 (1.04, 1.88)

1.45 (1.09, 1.92)

1.60 (1.18, 2.19)*

1.95 (1.27, 3.00)*

N/A

2.36 (1.67, 3.34)*

  1. “Prefer not to say” responses were not included in pairwise comparisons
  2. OR odds ratio, 95% CI 95% confidence intervals, ref reference category
  3. *p < .007