Table 3. Demographic characteristics of the sample population concerning the Sl-DNCC-Scale and the three subscales.

Variable	1st subscale	2nd subscale	3rd subscale	Sl-DNCC-Scale
	M (95% confidence interval)
	Test value/p
Gender
Male	5.87 (5.52–6.05)	6.13 (5.33–6.42)	2.88 (2.35–3.82)	5.50 (5.25–5.71)
Female	6.00 (5.69–6.05)	6.25 (5.84–6.23)	2.00 (2.57–3.32)	5.57 (5.41–5.70)
	(U)856.000 /	(U)898.500 /	(U)846.500 /	(U)899.000 /
	.373	.557	.336	.561
Health facilities
Primary Health Care	6.00 (5.56–6.02)	6.00 (5.61–6.16)	2.50 (2.57–3.52)	5.56 (5.31–5.66)
Secondary Health Care	5.67 (5.36–6.02)	6.44 (5.96–6.52)	1.88 (1.76–2.99)	5.44 (5.15–5.67)
Tertiary Health Care	6.15 (5.54–6.40)	6.25 (5.75–6.61)	2.38 (2.09–3.75)	5.65 (5.28–6.01)
Social Welfare Institution	6.54 (6.18–6.84)	6.50 (5.42–6.77)	4.50 (2.91–5.68)	6.05 (5.72–6.54)
	(H)11.062/	(H)2.954/	(H)9.201/	(H)8.669/
	.011	.399	.027	.034
Active working years as RNs
From 1 to 7	5.96 (5.57–5.99)	6.13 (5.75–6.22)	2.25 (2.32–3.20)	5.56 (5.29–5.63)
From 8 to 14	6.09 (5.50–6.35)	6.44 (5.50–6.64)	1.88 (1.85–3.65)	5.62 (5.29–5.91)
From 15 to 22	5.56 (5.34–5.90)	6.19 (4.89–6.69)	2.75 (1.86–3.31)	5.40 (4.96–5.63)
From 23 to 30	6.17 (5.34–6.45)	6.19 (5.60–6.53)	2.38 (2.27–4.36)	5.71 (5.23–6.00)
From 31 to 39	6.52 (5.62–6.79)	6.38 (5.56–6.67)	3.50 (2.62–5.28)	5.86 (5.35–6.45)
	(H)9.044/	(H)1.216/	(H)3.789/	(H)6.690/
	.060	.875	.435	.153
Nurse manager
Yes	6.30 (5.70–6.50)	6.63 (5.78–6.61)	4.50 (3.64–5.17)	5.86 (5.58–6.21)
No	5.93 (5.64–5.96)	6.25 (5.76–6.17)	2.00 (2.23–2.91)	5.50 (5.32–5.58)
	(χ2)89.199/	(χ2)43.658/	(χ2)72.998/	(χ2)173.473/
	.945	.651	.004	.048

Note. Nurses’ core competencies in disaster management–First subscale; Barriers to developing core competencies–Second subscale Nurses’ roles and responsibility in disaster management–Third subscale; Median (M); U value—Mann-Whitney U test; χ2 value—Kruskal Wallis H test; χ2 value—Pearson chi-square test; p value—statistical significance