Exploring risk factors for re-hospitalization in a psychiatric inpatient setting: a retrospective naturalistic study

Table 3 Multinomial regression analysis

		No re-admission			No re-admission
		vs			vs
		One re-admission			Two or more re-admission
Variable	χ²₂	b (SE)	OR	95% CI OR	b (SE)	OR	95% CI OR
Previous hospitalization	23.87^***	0.82 (0.22)^***	2.28	[1.48–3.51]	.99 (0.30)^***	2.86	[1.48–4.87]
History of suicide attempts	6.74^*	0.21 (0.26)	1.24	[0.75–2.05]	0.74 (0.28)^**	2.09	[1.21–3.62]
Age at psychiatric disorder onset	7.92^*	-0.02 (0.01)	0.99	[0.98–1.01]	-0.31 (0.01)^**	0.97	[0.95–0.99]
Length of stay (days)	8.57^*	0.01 (0.01)	1.01	[0.99–1.03]	0.03 (0.01)^**	1.03	[1.01–1.05]

Note. Nagelkerke R² = 0.096,-2LL = 1102.05. Model χ²₈ = 65.10, p < .001. *p < .05, **p < .01, ***p < .001

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