Table 3.

OR (95% CI) of dementia risk by consumption of boiled and other types of coffee consumption, adjusted according to models 2 and 4.

Coffee Consumption (Cups/Day)
		0–1	2–3	4–5	6–7	≥8	p-Value for Trend
Boiled coffee	n	4284	1123	1006	511	457
	Model 2	Ref	1.14 (0.93–1.41)	1.14 (0.92–1.41)	1.38 (1.05–1.81)	1.46 (1.08–1.96)	<0.01
	Model 4	Ref	1.01 (0.79–1.30)	1.00 (0.75–1.30)	1.19 (0.86–1.66)	1.26 (0.88–1.80)	0.17
Other types of coffee	n	3148	1447	1540	639	607
	Model 2	Ref	0.96 (0.79–1.18)	0.67 (0.54–0.82)	0.80 (0.60–1.07)	0.86 (0.64–1.15)	<0.01
	Model 4	Ref	1.01 (0.80–1.28)	0.71 (0.54–0.92)	0.86 (0.61–1.21)	0.93 (0.65–1.32)	0.24

Model 2: results were adjusted for participation age (years), sex (female/men), educational attainment (primary school/high school/college or university), marital status (unmarried/married/widow(er)/divorced or separated), smoking status (never/previous/currently daily smoker), tea consumption (0/1/2/≥3), exercise (MET–h/week score), and alcohol consumption (total units/week). Model 4: results were adjusted according to model 2 and additionally adjusted for the alternative coffee type consumption (0–1/2–3/4–5/6–7/≥8).