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Table 2 Association between hemoglobin level (g/dL) and hemoglobin A1c level (%)

From: Association between hemoglobin within the normal range and hemoglobin A1c among Chinese non-diabetes adults

 

Unadjusted model

β (95% CI)

Minimally adjusted model

β (95% CI)

Fully adjusted model

β (95% CI)

Hemoglobin

0.020 (0.008, 0.032)**

0.006 (− 0.014, 0.024)

−0.042 (− 0.064, − 0.020)***

Hemoglobin (Quartile)

Q1

Reference

Reference

Reference

Q2

0.03 (−0.02, 0.08)

0.02 (−0.03, 0.07)

− 0.03 (− 0.08, 0.02)

Q3

0.07 (0.02, 0.12)

0.02 (− 0.04, 0.09)

−0.07 (− 0.14, − 0.01)

Q4

0.07 (0.02, 0.12)

0.01 (− 0.07, 0.08)

−0.14 (− 0.22, − 0.06)

P for trend

0.002

0.771

< 0.001

  1. Unadjusted model: no covariates were adjusted
  2. Minimally adjusted model: age and sex were adjusted
  3. Fully adjusted model: age, sex, smoking behavior, alcohol consumption, body mass index, blood glucose, white blood cell count, and red blood cell count were adjusted
  4. * P < 0.05, ** P < 0.01, *** P < 0.001