Lysophosphatidic acid plasma concentrations in healthy subjects: circadian rhythm and associations with demographic, anthropometric and biochemical parameters

Table 4 Multivariate analysis (GLM) of influence of age and sex on logarithm of LPA concentrations in the study group (n = 100)

Independent variables	Coefficient in GLM equation ± standard error	P
Intercept^a	−0.6098 ± 0.1957	0.002
Male sex	−0.3068 ± 0.1338	0.024
Age [years]	0.0108 ± 0.0046	0.022

R² = 0.087, p = 0.012 for the whole GLM
^aIntercept value approximates the mean logarithm of LPA concentrations adjusted for females at age 0 and corresponds to 0.543 μM

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