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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