Table 2 Cox regression analyses of the association between phase angle and all-cause mortality, weighted.

From: Association between phase angle and all-cause mortality in adults aged 18–49 years: NHANES 1999–2004

 

HR (95%CI) P value

Unadjusted

Model 1

Model 2

Model 3

Continuous PhA

0.83 (0.71–0.98) 0.032

0.72 (0.58–0.88) 0.002

0.66 (0.51–0.86) 0.002

0.73 (0.59–0.91) 0.005

Categories PhA

 Low (PhA < 6.96°)

Reference

Reference

Reference

Reference

 High (PhA ≥ 6.96°)

0.78 (0.60–1.02) 0.074

0.66 (0.48–0.91) 0.011

0.66 (0.45–0.98) 0.041

0.67 (0.46–0.98) 0.041

  1. PhA Phase angle; HR hazard ratio; 95%CI 95% confidence intervals.
  2. Model 1: Adjusted for age, gender, race, education level, marital status, and income information.
  3. Model 2: Adjusted for Model 1 plus fat mass, fat-free mass, BMI, drinking, and smoking.
  4. Model 3: Adjusted for Model 2 plus asthma, COPD, cardiovascular disease, hypertension, diabetes, and cancer.
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