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Table 2 Relationship between sleep duration/ sleep onset timing and albumin in different models

From: Association between sleep duration and albumin in US adults: a cross-sectional study of NHANES 2015–2018

  Model 1 Model 2 Model 3
β(95%CI) P value β(95%CI) P value β(95%CI) P value
sleep duration (h)
  7–8 Ref Ref Ref
  ≤ 5 -1.09 (-1.43, -0.76)  < 0.0001 -0.93 (-1.24, -0.61)  < 0.0001 -1.00 (-1.26, -0.74)  < 0.0001
  5–6 -0.70 (-0.96, -0.44)  < 0.0001 -0.72 (-0.96, -0.47)  < 0.0001 -0.45 (-0.65, -0.25)  < 0.0001
  6–7 -0.02 (-0.21, 0.18) 0.8581 -0.14 (-0.32, 0.05) 0.1420 -0.13 (-0.28, 0.02) 0.0919
  8–9 -0.47 (-0.67, -0.26)  < 0.0001 -0.26 (-0.45, -0.07) 0.0079 -0.22 (-0.38, -0.06) 0.0063
  > 9 -0.84 (-1.11, -0.58)  < 0.0001 -0.54 (-0.79, -0.30)  < 0.0001 -0.48 (-0.68, -0.27)  < 0.0001
sleep timing (HH:MM)
  22:00–22:59 Ref Ref Ref
  18:00–21:59 -0.35 (-0.56, -0.13) 0.0014 -0.27 (-0.46, -0.07) 0.0091 -0.16 (-0.33, 0.01) 0.0580
  23:00–23:59 -0.16 (-0.36, 0.03) 0.0901 -0.23 (-0.41, -0.05) 0.0128 -0.18 (-0.33, -0.03) 0.0166
  later than 00:00 -0.35 (-0.55, -0.16) 0.0003 -0.61 (-0.80, -0.43)  < 0.0001 -0.43 (-0.59, -0.28)  < 0.0001
  1. β was the effect size (g/L) of the change in albumin, and the 95% CI indicated the confidence interval
  2. Model 1 adjust for: none
  3. Model 2 adjust for: sex, age, race, marital status, moderate work activity
  4. Model 3 adjust for: sex, age, race, marital status, moderate work activity, TP, ALT, AST, Cr, UACR, HS-CRP, GLU, BMI, hypertension, high cholesterol, cancer or malignancy