Table 1.

Distribution of NOWAC postmenopausal participants according to consumption of total, filtered, boiled and instant coffee

	Total coffee, % a	Boiled coffee		Filtered coffee		Instant coffee
		Combined with other brewing methods, % b	Only boiled coffee, %	Combined with other brewing methods, %	Only filtered coffee, %	Combined with other brewing methods, %	Only instant coffee, %
No of participants	n = 97 926	n = 93 858	n = 32 049	n = 93 858	n = 60 025	n = 93 858	n = 22 501
≤ 1 cups per day	16.1	80.0	54.4	40.1	25.6	91.7	77.5
2-3 cups per day	32.9	7.9	16.1	25.9	30.4	5.4	13.3
4-7 cups per day	37.8	8.4	20.2	25.9	33.4	2.4	7.5
≥ 8 cups per day	13.2	3.7	9.3	8.1	10.6	0.5	1.7
No of cases	n = 462	n = 452	n = 174	n = 452	n = 322	n = 452	n = 112
≤ 1 cups per day	17.7	77.9	51.2	44.2	27.6	92.7	79.5
2-3 cups per day	37.1	10.4	21.8	27.0	34.2	4.6	10.7
4-7 cups per day	38.3	10.2	23.0	25.0	32.9	2.3	8.0
≥ 8 cups per day	6.9	1.5	4.0	3.8	5.3	0.4	1.8

^aTotal coffee is combination of responses on total coffee consumption in the total coffee version of the questionnaire and filtered, boiled and instant coffee consumption in the brewing methods version of the questionnaire. ^bCombined with other types: those women who positively responded to question about “total coffee consumption” or/and other brewing method (filtered, boiled, instant).