Fig. 2

Subgroup analyses for the association between fish oil use and the risk of SLE. Note: BMI, body mass index; CI, confidence interval; HR, hazard ratio; NSAIDs, non-steroidal anti-inflammatory drugs. Forest plots show the multivariable HRs of SLE associated with fish oil use in subgroups. HRs were adjusted for age, sex, race, location of assessment centers, BMI, education, Townsend deprivation index, smoking status, alcohol drinking status, physical activity, vitamin supplementation use, mineral supplementation use, nonsteroidal anti-inflammatory drugs use, history of hypertension, history of diabetes, history of hyperlipemia, ultraviolet radiation and healthy diet score