Table 1.

Penalized logistic regression analysis predicting suicidal ideation in a Greek community sample during the second lockdown.

Predictors	Odds Ratio	95% CI	p-value
Depression [Potential case (PHQ 2 ≥ 3) vs. Non-case]	5.85	2.17 – 15.74	<0.001
Anxiety [Potential case (GAD 2 ≥ 3) vs. Non-case]	3.12	1.28 – 7.63	0.01
Suicidal ideation during first lockdown (Yes vs. No)	17.07	7.02 – 41.52	<0.001
Living with a person with frail health and vulnerable for COVID-19 severe infection (Yes vs. No)	2.38	1.06 – 5.28	0.03
Gender‡ (Women vs. Men)	1.57	0.56 – 4.40	0.40
Age (per year)	1.01	0.98 – 1.05	0.42
Mental health history (Yes vs. No)	1.32	0.47 – 3.63	0.68

Notes: 95% Confidence Interval, 95% CI.

Stepwise penalized logistic regression analysis, with Firth's correction to reduce small-sample size bias.

^‡Regarding gender, due to the fact that only 2 individuals reported “other”, they were not included in the penalized logistic regression analysis.