4.4 Article

An update on the prevalence, chronicity, and severity of atopic dermatitis and the associated epidemiological risk factors in the Singapore/Malaysia Chinese young adult population: A detailed description of the Singapore/Malaysia Cross-Sectional Genetics Epidemiology Study (SMCGES) cohort

期刊

WORLD ALLERGY ORGANIZATION JOURNAL
卷 15, 期 12, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.waojou.2022.100722

关键词

Atopic dermatitis; Risk factors; Epidemiology; Ethnic Chinese; Singapore; Malaysia

资金

  1. National University of Singapore [N-154-000-038-001]
  2. Singapore Ministry of Education Academic Research Fund [R-154-000-191-112, R-154-000-404-112, R-154-000-553-112, R-154-000-565112, R-154-000-630-112, R-154-000-A08-592, R-154-000A27-597, R-154-000-A91-592, R-154-000-A95-592, R154000-B99-114]
  3. Biomedical Research Council (BMRC) (Singapore) [BMRC/01/1/21/18/077, BMRC/04/1/21/19/ 315, BMRC/APG2013/108]
  4. Singapore Immunology Network [SIgN-06-006, SIgN-08-020]
  5. National Medical Research Council (NMRC) (Singapore) [NMRC/1150/2008, OFIRG20nov-0033]
  6. National Research Foundation (NRF) (Singapore) [NRF-MP-2020-0004]
  7. Singapore Food Agency (SFA) [SFS_RND_SUFP_001_04, W22W3D0006]
  8. Agency for Science Technology and Research (A*STAR) (Singapore) [H17/01/a0/008, APG2013/108]

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Atopic Dermatitis (AD) is a common skin condition influenced by multiple genes and environmental triggers. This study aimed to investigate the epidemiological status of AD among young adults in Singapore and Malaysia, evaluate associated risk factors, and describe the disease presentation and symptoms profile. The results showed that family history, personal history of allergies, and various lifestyle and environmental factors were significantly associated with AD occurrence, chronicity, and severity.
Background: Atopic Dermatitis (AD) is a highly pruritic, chronic-recurrent inflammatory skin condition associated with erythematous lesions that affect a significant proportion of the popu-lation. Although AD is a non-communicable disease, it can cause pain, unbearable itchiness, sleep disturbance, loss of work productivity, and reduced quality of life. As a heterogeneous disease, AD is influenced by multiple genes and environmental triggers. As such, it is imperative to gain a deeper insight into the intricate gene-environment relationship that results in the manifestation of AD. Methods: There are 3 objectives in our study. We first aim to update the epidemiological status of AD amongst young adults in Singapore and Malaysia, in particular amongst the Chinese ethnic background. Next, we re-evaluated the possible associated risk factors, identified in our previous meta-analysis and review studies, on the current cohort. Finally, we described here a detailed disease presentation and symptoms profile of our Singapore and Malaysia Cross-Sectional Ge-netics Epidemiology Study (SMCGES) cohort, which forms the base population for the discovery of associated genetic factors in relation to asthma, allergic diseases and skin conditions. Based on a skin prick test (SPT) and investigator-administered medical history responses, we assessed the AD profiles of 11 494 participants and the significant modifiable and non-modifiable factors associ-ated with disease presentation. Results: The prevalence of AD in the combined population was 13.5%. Chronic and moderate/ severe AD were observed in 35.5% and 40.5% of the individuals with AD, respectively. Family history of atopic diseases, prior history of drug allergies, a history of acne, increased household family monthly income, higher number of individuals in the shared household, parental education, sedentary lifestyle, physical activities, alcoholic consumption, and even quality of diet was signif-icantly associated with AD presentation, chronicity, and severity. Among all the factors evaluated, family and personal history of atopic diseases imposed the strongest associated risk. Conclusions: These findings supported our previous review studies and affirmed that familial history or genetic factors critically influence the development of AD in our population and envi-ronment. Environmental and other modifiable factors can also trigger AD throughout the lifetime of individuals who have especially inherited the atopic disease disposition. A better understanding of how these risk factors affect AD individuals in our population can facilitate disease surveillance, monitor disease control, and serve as a description for our future genetic epidemiology studies.

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