Table 1. Odds-Ratios (ORs) of Demographic Factors Associated With Loneliness (“Often” or “Very Often”) Among Norwegian University Students.

Demographic factor	Lack companionship				Left out				Isolated
	Women		Men		Women		Men		Women		Men
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Age group	Sex interaction: Wald (df) = 11.41(3), p = .010				Sex interaction: Wald (df) = 29.70(3), p < .001				Sex interaction: Wald (df) = 25.28(3), p < .001
18-20 years	1.38***	1.29, 1.48	1.32***	1.17, 1.48	1.22***	1.13, 1.32	1.05	0.91, 1.21	1.27***	1.18, 1.38	1.15*	1.01, 1.32
21-22 years	1.05	0.98, 1.12	0.97	0.87, 1.07	1.02	0.95, 1.10	0.82**	0.73, 0.93	1.04	0.97, 1.12	0.81***	0.72, 0.91
23-25 years	1.00		1.00		1.00		1.00		1.00		1.00
26-35 years	1.07*	1.00, 1.16	1.24***	1.11, 1.38	1.22***	1.12, 1.32	1.47***	1.30, 1.65	1.21***	1.11, 1.32	1.37***	1.22, 1.54
Relationship status	Sex interaction: Wald (df) =159.58(3), p < .001				Sex interaction: Wald (df) = 88.48(3), p < .001				Sex interaction: Wald (df) = 82.32(3), p < .001
Single	1.61***	1.39, 1.86	2.85***	2.14, 3.81	1.01	0.74, 1.18	1.59**	1.18, 2.14	1.18*	1.01, 1.39	1.65***	1.23, 2.21
Boy-/girlfriend	1.27**	1.09, 1.48	1.24	0.92, 1.68	1.02	0.74, 1.19	0.90	0.66, 1.22	1.05	0.90, 1.24	0.85	0.62, 1.16
Cohabitant	1.05	0.90, 1.22	0.91	0.67, 1.25	1.10	0.94, 1.29	1.08	0.79, 1.48	1.10	0.93, 1.29	0.94	0.69, 1.28
Married / registered partner	1.00		1.00		1.00		1.00		1.00		1.00
Accommodation status	Sex interaction: Wald (df) = 86.75(3), p < .001				Sex interaction: Wald (df) = 32.32(3), p < .001				Sex interaction: Wald (df) = 36.86(3), p < .001
Alone	1.96***	1.82, 2.11	3.85***	3.37, 4.39	1.26***	1.17, 1.37	1.99***	1.74, 2.28	1.50***	1.39, 1.62	2.44***	2.13, 2.80
With partner	1.00		1.00		1.00		1.00		1.00		1.00
With friends / others in a collective	1.24***	1.16, 1.32	2.08***	1.85, 2.35	0.79***	0.74, 0.84	1.02	0.90, 1.15	0.85	0.80, 0.92	1.15*	1.02, 1.31
With parents	1.45***	1.31, 1.59	2.74***	2.33, 3.34	1.18**	1.07, 1.31	1.57***	1.32, 1.88	1.35***	1.21, 1.49	1.75***	1.46, 2.09
Immigration status	Sex interaction: Wald (df) = 3.77(1), p = .052				Sex interaction: Wald (df) = 0.16(1), p = .688				Sex interaction: Wald (df) = 1.65(1), p = .422
Norwegian	1.00		1.00		1.00		1.00		1.00		1.00
Immigrant	1.48***	1.35, 1.61	1.72***	1.51, 1.95	1.45***	1.32, 1.59	1.40***	1.20, 1.62	1.44***	1.31, 1.59	1.55***	1.34, 1.79
Studying abroad	Sex interaction: Wald (df) = 1.26(1), p = .262				Sex interaction: Wald (df) = 6.14(1), p = .013				Sex interaction: Wald (df) = 2.52(1), p = .112
No	1.00		1.00		1.00		1.00		1.00		1.00
Yes	1.19**	1.06, 1.35	1.04	0.84, 1.28	1.16*	1.02, 1.33	0.80	0.61, 1.04	1.16*	1.01, 1.33	0.92	0.71, 1.18