Skip to main content

Table 4 Chi-square values, degrees of freedom and p values for testing association with AMI

From: Risk factors for first-time acute myocardial infarction patients in Trinidad

Variable χ 2 df p value
Demographic variables
 Sex 0.051 1 0.441
 Age 1.504 4 0.826
 Age > 45 years 3.626 1 0.035
 Ethnicity 0.193 1 0.366
 Family history of IHD 112.844 1 ≤ 0.001
Clinical conditions
Chronic disease
  Diabetes 42.203 1 ≤ 0.001
  Hypertension 38.489 1 ≤ 0.001
  Hypercholesterolaemia 19.760 1 ≤ 0.001
  IHD 101.333 1 ≤ 0.001
  Renal insufficiency 0.025 1 0.487
Lifestyle
  Smoking 6.510 1 0.007
  Alcohol consumption 5.467 1 0.013
Psychosocial stress
  Stressful life 19.343 1 ≤ 0.001