Table 4 Multiple linear regression analysis showing the effect of acne and associated psychiatric morbidities on the prediction of self-esteem^ψ.

	Unstandardised Coefficients		β	t	p	95% CI		Collinearity Statistics
	B	SE	β	t	p	Lower Bound	Upper Bound	Tolerance	VIF
Gender^a	-1.125	0.851	− 0.082	− 1.322	0.188	− 2.807	0.557	0.833	1.200
Age	− 0.058	0.124	− 0.026	− 0.463	0.644	− 0.303	0.188	0.981	1.020
Family history of acne^b	− 0.562	0.812	− 0.041	− 0.692	0.490	− 2.167	1.042	0.892	1.121
Sleep hours	0.198	0.385	0.030	0.513	0.609	− 0.564	0.959	0.929	1.076
GAGS
Acne	− 0.396	0.083	− 0.440	-4.760	< 0.001	− 0.560	− 0.231	0.373	2.683
DASS
Depression	0.071	0.217	0.027	0.326	0.745	− 0.358	0.500	0.457	2.186
Anxiety	− 0.385	0.192	− 0.183	− 2.007	0.047	− 0.763	− 0.006	0.384	2.603
Stress	− 0.388	0.221	− 0.173	-1.758	0.081	− 0.825	0.048	0.329	3.040

GAGS, Global acne grading system; DASS, Depression anxiety stress scale; RSES, Rosenberg self-esteem scale; CI, Confidence interval; B, Unstandardised Coefficients; SE, Standard error of the estimate; β, Standardised Coefficients; VIF, Variance inflation factor.
^a1: Male; 2: Female.
^b0: No; 1: Yes.
^ψ N = 150, R² = 0.550, F(8,141) = 21.555, p < 0.001.

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