stats IN CLINICAL RESEARCH
QUESTION 1
You are interested evaluating the relationship between weight at last menstrual period lbs (lwt) and birth weight gm (bwt) and are interested in
controlling for other variables.
chi-square test
Simple linear regression
ANOVA
t-test
multiple linear regression
QUESTION 2
Investigators report an beta estimate of 0.34 for sodium intake (g/d) associated with hypertension status among a population US nurses aged 40-80
years, with p=0.043. How would you interpret this estimate.
Sodium intake was 0.34 g/d statistically significantly lower among hypertensives compared to non-
hypertensives.
Sodium intake was 0.34 g/d statistically significantly higher among hypertensives compared to non-
hypertensives.
Sodium intake was 0.34 g/d higher among hypertensives compared to non-hypertensives.
Sodium intake was 0.34 g/d non-statistically significantly higher among hypertensives compared to non-
hypertensives.
