Table 4. Ordinal logistic regression modelling of in-home UI risks among children (N=1186).

	β	SE	Wald	P	Exp(β)	95% CI
						Lower	Upper
The living area per child (m2)	−0.005	0.002	4.122	0.042*	0.995	0.990	1.000
Monthly household income per capita (yuan)	–	–	14.809	0.005*	–	–	–
<4000 vs ≥15 000	0.695	0.271	6.562	0.010*	2.004	1.177	3.408
4000–6999 vs≥15 000	0.638	0.246	6.707	0.010*	1.893	1.168	3.068
7000–9999 vs≥15 000	0.303	0.260	1.363	0.243	1.354	0.814	2.255
10 000–14 999 vs≥15 000	0.069	0.278	0.062	0.804	1.071	0.621	1.848

Model fitting information: χ2=27.746, p=0.006<0.01.

^*P<0.05.

UI, unintentional injury.