Researchers conducted a trial assigning patrons of barber shops who were hyperte

Question

Researchers conducted a trial assigning patrons of barber shops who were hypertensives to a pharmacist-led intervention by which pharmacists prescribed anti-hypertension medications in collaboration with medical doctors, or referred to the doctors and given advice for lifestyle modification. The authors stated that the P-value of the difference in change from the levels of systolic blood pressure at baseline and 6 months was 0.001. What does that mean? 9% is likely to be around 18% The difference in change of systolic blood pressure 27% in the intervention and The evidence provided supports the notion that the altermative hypothesis is true The data lends very little credibility to the null hypothesis (ie. which would state that the percent change in both O groups is the same.) C) It supports the hypothesis that the difference of differences is around 18-21%

Explanation / Answer

The data lends very little credibility to the null hypothesis (i.e, which would state that the percent change in both groups is the same)

When the P-value is less than 0.001, we reject null hypothesis.

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