Table 3.

Odds Ratios (OR) with 95%-confidence interval (95%-CI) for associations of relevant variables with a strong sense of coherence (SOC)

Variables	Categories	Strong SOC- model 1a		Strong SOC- model 2b
		OR	95 %-CI	OR	95 %-CI
Gender	Male	1.08	0.87–1.36	1.05	0.81–1.37
	Female (Ref.c)
Income sufficiency	Sufficient	1.32	0.98–1.78	1.13	0.80–1.60
	Insufficient (Ref.)
Only-child	Yes	1.01	0.81–1.27	0.96	0.73–1.26
	No (Ref.)
Subjective health	Good	1.94**	1.30–2.89	1.72*	1.07–2.76
	Poor (Ref.)
Health awareness	High	1.52**	1.18–1.94	1.40*	1.05–1.87
	Low (Ref.)
Nutrition importance	Important	2.04**	1.34–3.08	1.67*	1.04–2.69
	Unimportant (Ref.)
Weight satisfaction	Satisfied
	Dissatisfied (Ref.)	1.02	0.82–1.28	0.93	0.71–1.21
Physical activity	< 1 a week (Ref.)
	1–2 a week	1.32*	1.01–1.73	1.14	0.83–1.57
	≥ 3 a week	1.61**	1.17–2.21	1.13	0.77–1.66
Performance compared with peers	Better	2.23***	1.66–3.01	1.64**	1.15–2.34
	The same	1.97***	1.48–2.62	1.62**	1.16–2.26
	Worse (Ref.)
Social support satisfaction	Satisfied	3.20***	2.44–4.21	2.56***	1.87–3.50
	Dissatisfied (Ref.)
Relation with parents	Good	1.32	0.86–2.03	1.10	0.68–1.79
	Poor (Ref.)
Relation with fellow students	Good	1.72*	1.05–2.83	1.17	0.67–2.07
	Poor (Ref.)
Relation with friends	Good	1.17	0.69–2.03	1.04	0.56–1.91
	Poor (Ref.)
Isolation at university	No	2.54***	1.76–3.69	1.60*	1.04–2.47
	Yes (Ref.)
Political situation	Satisfied	2.25***	1.80–2.82	2.05***	1.57–2.67
	Dissatisfied (Ref.)
Age increase per year		0.99	0.94–1.05	0.85	0.89–1.02
PSS score increase per point		-	-	0.81***	0.79–0.83

Model 1 included variables that were significantly associated with SOC in bivariable analysis (except PSS score); model 2 includes perceived stress scale score as an additional independent variable added to model 1

^aNagelkerke R square = 0.30 (df = 18, N = 1,639, p < 0.001)

^bNagelkerke R square = 0.53 (df =19, N = 1,587, p < 0.001)

^cReference category; Significance of Wald test: *p < 0.05; **p < 0.01; ***p < 0.001