stats IN CLINICAL RESEARCH

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.

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