Table 2 Results from linear mixed effect model for the combined Skylab/ISS dataset.

From: Pre-flight body weight effects on urinary calcium excretion in space

Factor

Coefficient

SE1

Tstat

DF2

P-value

Weight (kg)

2.8

1.2

2.3

40

0.029

Days in flight

3.8

1.8

2.1

15

0.055

Weight*Days in flight

−0.047

0.023

−2

15

0.064

Mission (ISS reference)

26

31

0.85

31

0.4

  1. 1Standard Error, 2Degrees of Freedom.
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