date:Oct 15, 2015
were designated as abstainers because they did not drink coffee; 767 (64%) drank 12 cups a day and were categorized as moderate drinkers; and 119 (10%) drank three or more cups of coffee a day and were defined as heavy drinkers.
The researchers found that in multivariate analysis, coffee consumption was a significant predictor for developing hypertension that required antihypertensive therapy, with a hazard ratio (HR) of 1.5 for heavy drinkers and 1.1 for moderate drinkers, compared to abstain