| Background:Acne is a common disease of dermatology. It is a chronic inflammation of hair follicles and sebaceous glands, which usually occurs in adolescences. It is thought that the main risk factors of acne are: follicular hyperkeratosis, infundibulum of hair follicle be blocked, the sebaceous glands secrete too much sebum production caused by androgen, and microbial infection within the hair follicle. Acne often occurson people's face, chest, and back,where is rich in sebaceous glands. Acne has the character: pimples, pustules, nodules, cysts and other damage, recurrently. Acne often occurs in the facial area, which seriously affects the people's appearance. So as people's living standards improved, more and more attention is paid on the treatments of acne. Since Bloch published the first epidemiological investigation of acne in 1931, researchers from different countries have done a lot of epidemiology researches on it. In recent years more and more people are concerned about adult acne. After reference relevant literature, the study conducts an epidemiological survey on acne of Changchun adolescents.Objectives:To find out the basic situation of acne vulgaris of Changchun adolescent. To analyze the risk factors that may affect the occurrence of acne vulgaris and discuss the risk factors of acne vulgaris. Based on the results of recognition about acne of Changchun's teenagers, we could obtain theoretical support for the education and publicity in the future.Methods:Students, who lived in Changchun, aged 12 to 23 from ten middle schools and a university were invited to take part in this study. There were 1567 students in all, 791 men and 776 females. Then investigation of acne condition was carried out between them. General demographic data, information on risk factors of acne and acne information on cognitive status of objects were collected. The data collected was entered in the Excel database. Then use SPSS13.0 for statistical analysis and make clear the risk factor of acne .Results:1. 1567 students were collected in all, 707 acne patients and 860 healthy people. The prevalence of Acne in Changchun Adolescents is 45.1%. The prevalence of male is 45.9%,while the female is 44.3%. The conditiong of acne is different among different age. The prevalence of Acne was highest at 16 age, which is 68.7%; 23 and 15 were higher than others, which wre54.5% and 54.3%.2. The age distribution diffference between male and female acne patients is statistically significant. Before 17, the female acne patients accounts the most percentage; after 17, the male acne patients accounts the most percentage, especially after 20.3. 78% acne occurs on people's faces; 17% acne occurs on people's dorsal part of chest; 5% acne occurs on both people's faces and dorsal part of chest.4. Among 1567 adolescents, obesity, eating habits, lifestyle(except the times of face washing everyday), digestive disorders, mental factors, genetic factors, factors related to androgen levels are significantly different(P<0.05) in acne patients and healthy people.The BMI of acne patients was More cases frequently occurred constipation, diarrhea, Abdominal discomfort. Compared with healthy people, More patients frequently have piquant food, sweet food, fat food and marine delicacies. The water patients have had was lower than healthy people. The percentage of patients using cosmetics was higher than that of, so did the frequence of sleep late. More patients have the acne family history and tensive mind condition. The percentage of patients with more axillary hairs, more beard, visible laryngeal prominence, more body hair around the areola of breast and abnormal menstruation is higher than that of healthy people. The number of of patients with more cerolein is more than others.5. Logistic analysis showed that the acne is related to these factors: constipation, daily water drinking, seafood eating, cosmetics using, family history of acne, mental tension, age of menarche, whether menstruation is normal, the situation of upper lip hairs (beard), whether more body hair around the areola of breast. 6. When people suffer from acne, most choose their own treatment or go to hospital, and their own treatment accounts the largest proportion, reached 48%. Compared with case, more controls thought that the acne will have little affect on the self-confidence and appearance, cases and controls have different ideas. The majority consider that acne will affect the self-confidence and appearance to some extent.Conclusions:1. The prevalence of Acne in Changchun Adolescents is 45.1%. The prevalence of male is 45.9%,while the female is 44.3%. The conditiong of acne is different among different age. The prevalence of Acne was highest at 16 age, which is 68.7%; 23 and 15 were higher than others, which wre54.5% and 54.3%.2. There was some diffference between male and female acne patients'age distribution, though the patients whether men or women average of age of onset is 16 years old. Before 17, the female acne patients accounts the most percentage; after 17, the male acne patients accounts the most percentage, especially after 20.3. Obesity, lifestyle, eating habits, digestive disorders, mental factors, genetic factors, factors related to androgen levels may be related to the occurrence of acne.4. Constipation, daily water drinking, seafood eating, cosmetics using, family history of acne, mental tension, age of menarche, whether menstruation is normal, the situation of upper lip hairs (beard), whether more body hair around the areola of breast may be the risk factors of acne.5. Most people did not pay enough recognition on acne, so proper treatments can not be adopted. Compared with case, more controls thought that the acne will have little affect on the self-confidence and appearance, cases and controls have different ideas. |
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