Table 4.

The relationship between the mean ranks of Cardiff Acne Disability Index (CADI) and Rosenberg self-esteem scale (RSES) scores in relation to gender and acne with and without facial post-inflammatory hyperpigmentation

Variables CADI	Mean rank of scores		p-value	Mean rank of scores		p-value
	Male	Female		Acne with facial PIH	Acne without facial PIH
Aggressive, frustrated or embarrassed?	103.56	100.54	0.528	110.19	91.30	<0.001
Interfered with social life	102.10	101.90	0.943	105.06	98.00	0.012
Avoidance of public facilities	102.70	101.35	0.646	104.57	98.65	0.046
Feelings about appearance of skin	100.19	103.69	0.638	109.70	91.94	0.018
How bad is your acne now?	103.19	100.89	0.751	108.61	93.36	0.038
Total CADI	101.90	102.10	0.980	113.19	87.38	<0.001
RSES
Do not feel that I am a person of worth	102.10	101.91	0.967	100.42	104.06	0.426
Do not feel that I have good qualities	102.76	101.30	0.719	99.50	105.26	0.160
Inclined to feel that I am a failure	101.98	102.01	0.996	98.69	106.32	0.189
Unable to do things like other people	106.45	97.84	0.130	105.27	97.73	0.189
Do not have much to be proud of	110.83	93.76	0.027	98.36	106.76	0.280
No positive attitude towards myself	102.50	101.53	0.865	100.88	103.47	0.652
I am not satisfied with myself	100.14	103.73	0.585	97.76	107.55	0.140
Wish for more respect for myself	94.79	108.73	0.071	110.19	91.30	0.165
I certainly feel useless at times	98.87	104.92	0.376	99.91	104.73	0.484
At times I think I am no good at all	101.64	102.34	0.917	102.75	101.02	0.797
Total self-esteem	103.47	100.62	0.728	101.54	102.60	0.899

Abbreviations: PIH, post-inflammatory hyperpigmentation; RSES, Rosenberg self-esteem scale; CADI, Cardiff Acne Disability Index.