Photoprotection awareness and practices among patients with systemic lupus erythematosus and its association with disease activity and severity

Abstract

Objective

The objective of this paper is to determine photoprotection awareness, knowledge, practices, and its relationship with disease activity and damage in patients with systemic lupus erythematosus (SLE).

Methods

A cross-sectional study was performed. Data were acquired from in-person interviews and medical records.

Results

A total of 199 (89.6%) females and 23 (10.4%) males were recruited. Median age was 39.00 (interquartile range (IQR) 18) years, disease duration 12.12 (IQR 8) years, Fitzpatrick skin phototype III 119 (53.6%) and IV 81 (36.5%). Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2 K) was 2.95 (IQR 4) while Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SLICC-ACR DI) was 1.20 (IQR 2). The majority 205 (92.3%) were aware of sun exposure effects on SLE. Photoprotection methods were shade seeking 209 (94.1%), sun avoidance 212 (95.5%), long pants 168 (75.7%), long sleeves 155 (69.8%), sunscreen 116 (52.3%), sunglasses 114 (51.4%) and head cover 103 (46.4%). Significantly higher photoprotection practice scores (PPS) were observed in females, Malays, and individuals with higher education level and internet accessibility. PPS were not significantly correlated with SLICC-ACR DI and SLEDAI-2 K. Independent predictors for good photoprotection practice (GPP) were ethnicity (OR = 3.66, 95% CI 1.78–7.53), awareness (OR = 3.77, 95% CI 1.09–13.08) and cutaneous involvement (OR = 2.43, 95% CI 1.11–5.28). Photoprotection methods and GPP were not predictors for disease activity or damage.

Conclusion

Photoprotection awareness and knowledge was good. Shade seeking and sun avoidance were the common photoprotection methods practised. The use of sunscreen requires improvement. Photoprotection awareness and cutaneous manifestation were predictors for GPP. Neither photoprotection methods nor GPP were associated with disease activity or damage.

Keywords

Photoprotection systemic lupus erythematosus cutaneous lupus erythematosus photosensitivity

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