Question 1

A hypothetical case-control study found that regular coffee drinkers were 1.8 times more likely to report a positive sense of well-being than non-coffee drinkers (OR = 1.8; 95% CI = 1.3-2.4). When the results were stratified by gender, the odds ratio for women was 1.1 (95% CI = 0.9-1.3) and the odds ratio for men was 0.9 (95% CI = 0.7-1.1). Which of the following statements best describes the role of gender in the association of coffee drinking and sense of well-being?