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. 2015 Sep-Oct;90(5):622–629. doi: 10.1590/abd1806-4841.201533726

Table 3.

Prevalence of psychosocial variables in students of a public school of João Pessoa-PB, according to degree of severity of acne (n=317)

Variables AV leve* AV p X2 V of Cramer
moderate to severe**
Considers himself a stressed person 49.5% 46.3% 0.672 (NS) 0.179 0.031
Frequently manipulates pimples 46.1% 70.6% <0.001 16.318 0.235
Feels distressed for having pimples 46.3% 63.9% 0.005 8.043 0.167
Fears that lesions will never cease 53.5% 71.7% 0.003 8.866 0.177
Feels embarrassed regarding family and friends because of pimples 19,9% 30% 0,060(NS) 3,533 0,114
Believes that his acne negatively affects the way others treat him 18.1% 20.2% 0.767(NS) 0.088 0.026
Is afraid to have his picture taken 17.1% 23.9% 0.195 (NS) 1.679 0.082
Likes his appearance when he looks in a mirror 80.5% 69.1% 0.03 4.559 -0.128
Is afraid of meeting people for the first time 20.6% 25% 0.453(NS) 0.562 0.051
Is afraid of meeting acquaintances 8.3% 9.2% 0.947(NS) 0.004 0.016

AV = Acne Vulgaris. p= statistical significance. X2= Chi-square value with correction of Yates. NS = Not Significant.

*

Degree 1 in the classification of Sampaio and Rivitii is considered as "mild AV".

**

Degrees 2, 3 and 4 in the classification of Sampaio and Rivitii are considered as "moderate to severe AV".