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Table 1 Association between percentages of arachidonic acid (dependent variable) and oleic acid (independent variable under investigation), as influenced by other variables, multiple linear regression

From: Percentages of oleic acid and arachidonic acid are inversely related in phospholipids of human sera

  Model B (SE) Beta t p
1 No adjustment −0.69 (0.16) −0.54 −4.2 0.003
2 Model 1 + sex + age + body mass index - 0.55 (0.17) −0.43 −3.2 <0.001
3 Model 2 + the other fatty acids measured - 0.88 (0.05) −0.69 −17.6 <0.001
  1. Dependent variable = % 20:4 n6. B = unstandardized regression coefficient, Beta = standardized coefficient. Model 1 is without adjustment; Model 2 = Model 1 + adjustment for sex, age, and body mass index (BMI); Model 3 = Model 2 + control for relative amount of all of the other fatty acids measured (see Methods).