Sodium intake is higher in female systemic lupus erythematosus (SLE) mice fed a high-salt diet. SLE mice fed a 4% NaCl diet consume significantly higher NaCl (*P = 0.003, < 0.0001, 0.0004, < 0.0001, and < 0.0001) compared with SLE mice fed a 0.4% NaCl diet, per 2-tailed, unpaired, t test. n = 13 (4% NaCl) and n = 12 (0.4% NaCl). Error bars represent SE.