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Table 3 Multivariable linear regression of 6-min walk distance (6MWD) in meters

From: A cross-sectional study of differences in 6-min walk distance in healthy adults residing at high altitude versus sea level

 

Change in 6MWD, meters (95% CI)

P

City (Lima is reference)

-47.6 (-81.7 to -13.6)

<0.01

Age (years)

-1.4 (-2.2 to -0.7)

<0.001

Sex (male as reference)

-13.5 (-39.8 to 12.8)

0.32

Height (cm)

1.1 (0.1 to 2.1)

0.04

Percent body fat (%)

-1.4 (-2.6 to -0.3)

0.02

Systolic blood pressure (mmHg)

0.0 (-0.5 to 0.6)

0.87

Pulse oximetry (%)

1.0 (-1.7 to 3.8)

0.45

Log hsCRP (mg/dL)

5.0 (-1.7 to 11.3)

0.12

Hemoglobin (g/dL)

2.4 (-4.5 to 53.3)

0.44

Height-adjusted post-FVC (L/m2)

24.4 (-4.1 to 52.9)

0.09

Walks ≥10 min at least 1 day per week

14.6 (-1.4 to 30.6)

0.07

Resting heart rate (beats/min)

0.6 (0.0 to 1.3)

0.07

Change in heart rate between end of 6WMT and baseline (beats/min)

4.0 (3.0 to 4.9)

<0.001

Completed high school

24.9 (10.1 to 39.7)

<0.01

Number of people per household

-1.6 (-4.5 to 1.3)

0.28