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Table 5 Multiple linear regression model with mean VO2 max estimates (ml kg-1 min-1) as outcome and age, sex, stunting and infection status as explanatory variables. Data is derived from 69 Bulang primary school children from Yunnan province, P.R. China, in mid-2011.

From: Soil-transmitted helminth infections and physical fitness in school-aged Bulang children in southwest China: results from a cross-sectional survey

(I)

Multiple linear regressiona

Explanatory variables

Coefficient

95% confidence interval

P - value

Age (in years)

-1.37

-1.67 to -1.08

< 0.001

Sex (reference: male)

-2.36

-3.38 to -1.35

< 0.001

Stunting (reference: not stunted)

-1.63

-2.63 to -0.63

0.002

A. lumbricoides (reference: not infected)

-0.98

-2.03 to 0.07

0.066

T. trichiura (reference: not infected)

-1.94

-3.26 to -0.62

0.005

  1. a Only explanatory variables that have shown a significant difference in the descriptive statistics were included.
  2. Key indicators of model: F (5, 63) = 23.97; p < 0.001; R-squared = 0.66