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. 2022 Jan 10;90:44–52. doi: 10.1016/j.sleep.2021.12.018

Table 3.

Crude and multivariate-adjusted odds ratio for the association between individual characteristics and nightmare' profiles during the first wave of COVID-19 pandemic.

Nightmares
Crude ORa (95%CI)
Adjusted ORa (95%CI)
Stable moderate Stable severe Stable moderate Stable severe
Gender
 Men 1 1 1 1
 Women 2.29 (1.92–2.72) 3.04 (2.07–4.46)
Age (years)
 16-39 1 1 1 1
 40-49 1.03 (0.88–1.21) 0.90 (0.66–1.23)
 50-59 0.69 (0.57–0.84) 0.62 (0.42–0.91)
 ≥ 60 0.61 (0.49–0.77) 0.45 (0.28–0.74)
Education levelb
 University 1 1 1 1
 High school 0.94 (0.78–1.13) 1.17 (0.84–1.65) 1.02 (0.84–1.23) 1.28 (0.91–1.80)
 ≤ Elementary 0.87 (0.56–1.36) 0.98 (0.42–2.26) 1.06 (0.67–1.67) 1.35 (0.58–3.16)
Living aloneb
 No 1 1 1 1
 Yes 0.95 (0.80–1.14) 1.18 (0.85–1.63) 0.97 (0.81–1.17) 1.23 (0.88–1.71)
Household with1 childc
 No 1 1 1 1
 Yes 1.37 (1.16–1.61) 1.71 (1.27–2.29) 1.21 (1.02–1.44) 1.50 (1.10–2.04)
Household with1 person with chronic diseasec
 No 1 1 1 1
 Yes 1.16 (1.01–1.33) 1.07 (0.82–1.40) 1.23 (1.07–1.42) 1.14 (0.87–1.49)
Perceived income adequacyd
 Comfortable 1 1 1 1
 Enough to make ends meet 1.27 (1.09–1.50) 1.37 (0.98–1.91) 1.25 (1.06–1.47) 1.30 (0.93–1.82)
 Cautious with expenses 1.47 (1.23–1.76) 2.13 (1.51–3.02) 1.44 (1.19–1.74) 2.01 (1.40–2.87)
 Insufficient 1.59 (1.06–2.39) 2.65 (1.34–5.22) 1.66 (1.10–2.53) 2.60 (1.30–5.20)
Fear of SARS-CoV-2 infectione
 Never/occasionally 1 1 1 1
 Often/almost always/always 2.60 (2.24–3.03) 7.09 (5.42–9.27) 2.48 (2.12–2.91) 6.62 (5.01–8.74)
SARS-CoV-2 infectionf
 No 1 1 1 1
 Yes 1.54 (1.06–2.21) 2.89 (1.69–4.93) 1.73 (1.19–2.53) 3.09 (1.76–5.43)

95%CI, 95% confidence interval, OR, odds ratio.

a

Stable-mild as the reference category.

b

Multivariate model adjusted for gender and age.

c

Multivariate model adjusted for gender, age and education.

d

Multivariate model adjusted for gender, age, education and living alone.

e

Multivariate model adjusted for gender, age, education, household with ≥ 1 child; household with ≥1 person with chronic disease, perceived income adequacy and SARS-CoV-2 infection.

f

Multivariate model adjusted for gender, age, education, perceived income adequacy and living alone.