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Table 6 Association of vitamin D sufficiency status with risk of NAFLD in lean and obese participants

From: Low serum vitamin D concentrations are associated with obese but not lean NAFLD: a cross-sectional study

Lean

Models

Odds ratios (95% confidence interval)

χ2 value

P value

VD deficiency (n = 422)

VD insufficiency (n = 519)

VD sufficiency (n = 303)

Model 1

1.025 (0.640–1.644)

1.558 (1.012–2.397)

1

6.474

0.039

Model 2

1.335 (0.803–2.221)

1.726 (1.091–2.730)

1

5.736

0.057

Model 3

1.192 (0.693–2.050)

1.602 (0.982–2.612)

1

4.145

0.126

Obese

Models

Odds ratios (95% confidence interval)

χ2 value

P value

VD deficiency (n = 408)

VD insufficiency (n = 576)

VD sufficiency (n = 310)

Model 1

1.784 (1.324–2.405)

1.653 (1.252–2.184)

1

16.853

< 0.001

Model 2

2.055 (1.479–2.854)

1.792 (1.325–2.423)

1

20.578

< 0.001

Model 3

2.076 (1.462–2.950)

1.730 (1.252–2.390)

1

17.737

< 0.001

  1. Model 1 was unadjusted
  2. Model 2 was adjusted for age, gender, waist circumference and body mass index
  3. Model 3 was further adjusted for systolic and diastolic blood pressure, alanine aminotransferase, γ-glutamyl transpeptidase, triglyceride, HDL-cholesterol, LDL-cholesterol, fasting blood glucose and serum uric acid
  4. Participants were classified into three groups according to their serum VD levels: VD deficiency, < 50.0 nmol/L; VD insufficiency, 50–74.9 nmol/L; and VD sufficiency, ≥ 75.0 nmol/L.