Table 5.

multidetector computed tomography scan appropriateness

Variables	Univariate		Multivariate
	Crude OR (95% CI)	P-value	Adjusted OR (95% CI)	P-value
Age (years, N=421)	0.98 (0.97, 0.99)	0.038	0.97 (0.94, 0.99)	0.009
Gender (N=416)
Female	1		1
Male	1.61 (0.95, 2.70)	0.074	1.41 (0.68, 2.92)	0.350
Education (N=368)
None	1		1
Completed primary	2.64 (0.97, 7.14)	0.056	3.90 (1.06, 14.33)	0.040
Completed secondary	2.27 (0.89, 5.75)	0.084	3.23 (0.96, 10.84)	0.057
Completed university	1.58 (0.58, 4.31)	0.368	1.91 (0.45, 8.16)	0.383
Socioeconomic status (N=400)
Quintile 1	1		1
Quintile 2	0.60 (0.25, 1.41)	0.241	0.24 (0.06, 0.89)	0.034
Quintile 3	0.65 (0.27, 1.59)	0.345	0.32 (0.08, 1.27)	0.105
Quintile 4	0.72 (0.29, 1.74)	0.460	0.46 (0.12, 1.74)	0.255
Quintile 5	0.59 (0.25, 1.39)	0.228	0.54 (0.14, 2.09)	0.373
Health insurance (N=339)
Yes	0.56 (0.29, 1.08)	0.085	0.40 (0.18, 0.94)	0.034
No	1		1
Healthcare provider (N=414)
Specialist doctors	1		1
Others	0.35 (0.19, 0.62)	<0.001	0.20 (0.09, 0.47)	<0.001

Model P-value <0.001; OR, odds ratio; CI, confidence interval