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. 2021 May 5;290:52–60. doi: 10.1016/j.jad.2021.04.044

Table 2.

Multiple Poisson regression analysis to assess the isolated effect of social isolation factors on suicidal ideation in Wave 1

Variables Prevalence of SI (%) Crude PR (CI 95%) Adjusteda PR (CI 95%) p
Leaving home
Yes 19.2% 1.04 (0.91 – 1.18) 0.99 (0.88 – 1.13) 0.927
No 19.7% 1.00 1.00
Living alone
Yes 21.1% 1.13 (1.00 – 1.28) 1.16 (1.03 – 1.30) 0.015
No 18.9% 1.00 1.00
Social distancing
(time)
1.000 (1.000 - 1.001) 1.002 (1.000 – 1.004) 0.027
R- UCLA Positive
Yes 27.1% 3.06 (2.69 – 3.47) 1.49 (1.32 - 1.68) <0.001
No 8.7% 1.00 1.00
a

adjusted for age, gender, sexual orientation, marital status, income, geographical area, education, healthcare professional, unemployment, financial crisis during the pandemic, quality of family relationships, quality of friend relationships, religion, meditation, sleep quality, physical activity, childhood trauma, previous suicide attempt, family history of suicide, GAD-7, PHQ-9, cocaine / crack use, benzodiazepines use and AUDIT-C. Abbreviations: SI, Suicidal Ideation; PR, Prevalence Ratio; CI, Confidence Interval; AUDIT-C, Alcohol Use Disorders Identification Test - Concise; GAD-7, Generalized Anxiety Disorder 7-item; PHQ-9, Patient Health Questionnaire 9-item; R-UCLA, three-item short form of the Revised University of California, Los Angeles Loneliness Scale.