. 2022 Apr 1;8(3):e77. doi: 10.1192/bjo.2022.42

Table 2.

Regression equation values for the independent variables (sociodemographic and clinical) in older adults and the elderly

	χ²	R²_Nagelkerke	β coefficient	s.e.	Wald statistic	Exp(β)	95% CI (exp(β))
	χ²	R²_Nagelkerke	β coefficient	s.e.	Wald statistic	Exp(β)	Lower limit	Upper limit
Model 1 (n₁ = 81)
Age (50–60 years)	9.78**	0.175	0.08	0.05	5.32**	0.92	0.84	1.01
Marital status (single)	3.71*	0.309	0.27	0.14	3.59*	0.76	0.57	1.01
Pre-existing condition (anxiety)	13.51**	0.416	0.15	0.05	10.46**	0.96	0.78	0.98
Methods of self-injury (mixed)	11.96**	0.616	0.11	0.03	7.41**	0.90	0.84	0.96
Healthcare action (admission)	1.11*	0.041	0.32	0.11	1.07*	0.03	0.01	0.07
Model 2 (n₂ = 134)
Gender (female)	3.95**	0.101	1.12	0.06	6.21**	0.90	0.75	1.08
Age (71–80 years)	2.03*	0.282	0.14	0.23	5.12**	0.82	0.70	0.97
Marital status (widowed)	1.86*	0.375	0.19	0.46	3.97**	0.61	0.27	0.81
Pre-existing condition (depression)	11.83**	0.291	0.11	0.39	12.99**	0.95	0.23	0.98
Pre-existing condition (physical)	1.34*	0.336	0.91	0.67	1.17*	0.93	0.13	0.99
Suicide re-attempt method (single)	1.08*	0.598	0.33	0.18	3.23*	0.74	0.12	0.85
Healthcare action (discharge)	3.27**	0.754	1.36	0.21	4.11**	0.81	0.56	0.92

Model 1: older adults and the elderly who engage in more than one episode of self-injury. Model 2: older adults and the elderly who make more than one suicide attempt.

*P < 0.05, **P < 0.01.