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Table 2 Estimated effects of nocturnal noise level from multiple linear regression of BMI, SBP, and DBP in Chinese Adults

From: Indoor nocturnal noise is associated with body mass index and blood pressure: a cross-sectional study

  BMI SBP DBP
Estimate (95% CI) p-value Estimate (95% CI) p-value Estimate (95% CI) p-value
Model 1 0.61 (0.07, 1.13) 0.025 3.03 (1.14, 4.92) 0.002 0.68 (−0.65, 2.01) 0.317
Model 2 0.54 (0.01, 1.06) 0.045 2.90 (1.12, 4.68) 0.001 0.79 (−0.56, 2.13) 0.253
Model 3 0.51 (−0.02, 1.03) 0.059 2.72 (0.90, 4.53) 0.003 0.69 (− 0.69, 2.07) 0.328
Model 4 0.51 (−0.02, 1.04) 0.060 2.64 (0.86, 4.42) 0.004 0.56 (−0.82, 1.95) 0.424
Model 5 0.50 (−0.03, 1.03) 0.064 2.41 (0.62, 4.20) 0.008 0.52 (−0.88, 1.92) 0.465
  1. Model 1: crude estimate without adjustment; Model 2: adjusted for age, gender, education, occupation, income, house type, marital status; Model 3: additionally adjusted for exercise, smoking, alcohol, and BMI (excluded when BMI was the outcome); Model 4: additionally adjusted for diagnosis of hypertension (excluded when BMI was the outcome) and the psychometric constructs; Model 5: additionally adjusted for sleep duration and sleep quality
  2. BMI body mass index, SBP systolic blood pressure DBP diastolic blood pressure