Table 2.

The impact of family SEP and lockdown during COVID-19 pandemic^*, and its interaction on the probability of high level of depressive symptoms, loneliness, quality of life, and life satisfaction among boys in lower secondary education.

Boys	High depressive symptoms				Loneliness				Quality of life				Life satisfaction
	Main effect		Interaction		Main effect		Interaction		Main effect		Interaction		Main effect		Interaction
Predictors	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
School grade
8th grade	Ref		Ref		Ref		Ref		Ref		Ref		Ref		Ref
9th grade	1.83	1.16–2.88	1.83	1.16–2.88	2.12	1.50–2.99	2.13	1.51–3.01	0.96	0.77–1.20	0.96	0.76–1.20	0.81	0.59–1.12	0.81	0.59–1.12
10th grade	1.61	1.01–1.01	1.61	1.01–2.57	1.74	1.22–2.49	1.76	1.23–2.52	0.89	0.70–1.11	0.89	0.70–1.11	0.96	0.69–1.33	0.96	0.69–1.34
Lockdown COVID-19 pandemic
Pre pandemic 2020	Ref		Ref		Ref		Ref		Ref		Ref		Ref		Ref
lockdown	1.23	0.87–1.75	1.28	0.62–2.63	1.27	0.98–1.66	1.24	0.67–2.32	0.65	0.54–0.79	0.51	0.31–0.84	0.37	0.28–0.49	0.47	0.27–0.85
Family SEP
High	Ref		Ref		Ref		Ref		Ref		Ref		Ref		Ref
Medium	1.70	1.14–2.53	1.67	0.92–3.04	1.26	0.94–1.69	1.00	0.47–1.28	0.95	0.78–1.17	0.88	0.67–1.17	0.69	0.52–0.93	0.74	0.44–1.25
Low	2.33	1.46–3.73	2.27	1.19–4.30	1.43	0.99–2.07	1.30	0.79–2.11	0.88	0.67–1.14	0.93	0.67–1.30	0.48	0.34–0.70	0.42	0.25–0.73
Interactions SEP x lockdown
High* lockdown			Ref				Ref				Ref		Ref		Ref
Medium* lockdown			1.03	0.46–2.30			1.50	0.83–2.71			1.16	0.78–1.75			0.91	0.49–1.72
Low* lockdown			1.05	0.41–2.74			1.19	0.57–2.51			0.80	0.45–1.42			0.76	0.63–2.75

^*Adjusted for school grade.