Table 2.

Distribution of malignant melanoma cases according to total, filtered, instant, and boiled coffee consumption at baseline, the Norwegian Women and Cancer Study, 1991–2013

	Total coffee consumption	Filtered coffee consumption	Instant coffee consumption	Boiled coffee consumption
	n (%)	n (%)	n (%)	n (%)
Light consumers	134 (17.6)	305 (40.0)	627 (82.3)	691 (90.7)
≤1 cup/day
Low-moderate consumers	234 (30.7)	218 (28.6)	57 (7.5)	45 (5.9)
>1–3 cups/day
High-moderate consumers	239 (31.4)	160 (21.0)	51 (6.7)	16 (1.3)
>3–5 cups/day
Heavy consumers	155 (20.3)	79 (10.4)	27 (3.5)	10 (2.1)
>5 cups/day