Table 5 Multiple linear regression analysis predicting NCCCS (N = 1977).

Variables	Group	β	t	P	95% CI
Variables	Group	β	t	P	LL	UL
Department Emergency department (Reference Group)	Internal medicine	0.031	1.242	0.215	−2.177	9.687
	Surgery	0.164	5.263	< 0.001	8.368	18.310
	Gynecology and obstetrics	0.056	2.339	0.019	1.258	14.331
	Pediatric	0.081	2.329	0.020	0.877	10.227
	Oncology department	0.047	1.845	0.065	−0.353	11.609
	Gaogan department	0.070	3.452	0.001	8.482	30.792
	General department	0.032	1.562	0.118	−2.162	19.094
	Infectious diseases department	0.051	2.351	0.019	1.612	17.831
	E.N.T.department	0.040	2.049	0.041	0.664	30.443
	Outpatient service department	0.022	0.979	0.328	−3.573	10.693
	Other	0.008	0.348	0.728	−6.502	9.310
Gender	Female	0.008	0.424	0.672	−7.384	11.452
Nursing years ≤ 5 (Reference Group)	6–10	0.085	2.366	0.018	1.002	10.712
	11–15	0.123	2.951	0.003	3.075	15.257
	>15	0.222	4.759	< 0.001	10.037	24.109
Professional titles Nurse (Reference Group)	Senior nurse	−0.010	−0.269	0.788	−5.624	4.267
	Supervisor nurse	0.027	0.622	0.534	−3.883	7.489
	Deputy chief nurse	−0.009	−0.381	0.704	−11.893	8.027
Age ≤ 30 (Reference Group)	31–40	0.008	0.261	0.794	−3.524	4.607
Age ≤ 30 (Reference Group)	>40	0.035	0.911	0.362	−3.588	9.816
CAI		0.464	23.570	< 0.001	0.622	0.735

R² = 0.309, Adjusted R² = 0.302, F = 41.687 (P < 0.001).
Abbreviations: CAI, Caring ability inventory; E.N.T., Ears, nose, and throat; CI, confidence interval; LL, lower Limit 95% confidence interval; UL = upper Limit 95% confidence interval.

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