Table 6 Logistic regression models predicting 25OHD deficiency in Others, n = 943

SLE

1.0

-

RA

0.72 (0.18, 2.9)

0.636

T2DM

2.8 (1.3, 6.2)

0.009

Age, for every decade

0.88 (0.79, 0.98)

0.02

Male gender

1.0 (0.74, 1.4)

0.990

October to March season

1.2 (0.89, 1.5)

0.26

Serum calcium, mg/dl

0.64 (0.55, 0.81)

<0.001

Vitamin D supplementation

0.67 (0.49, 0.91)

0.012

Bisphosphonate therapy

0.53 (0.34, 0.83)

0.005

Serum creatinine >1.5 mg/dl

1.2 (0.85, 1.7)

0.383