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Table 1 Distribution of participants according to total, filtered, instant, and boiled coffee consumption, the Norwegian Women and Cancer Study, 1991–2013 - complete case analyses

From: Coffee consumption and the risk of malignant melanoma in the Norwegian Women and Cancer (NOWAC) Study

 

Total coffee consumption

Light consumers

Low moderate consumers

High moderate consumers

Heavy consumers

≤1 cup/day

>1–3 cups/day

>3–5 cups/day

>5 cups/day

Baseline, N (%)

16,853 (16.2)

29,923 (28.7)

34,451 (33.1)

22,853 (22.0)

Follow-up, N (%)

13,712 (19.4)

25,113 (35.5)

21,154 (29.9)

10,717 (15.2)

 

Filtered coffee consumption

 

≤1 cup/day

>1–3 cups/day

>3–5 cups/day

>5 cups/day

Baseline, N (%)

41,942 (40.3)

26,708 (25.7)

23,014 (22.1)

12,416 (11.9)

Follow-up, N (%)

24,450 (38.3)

19,868 (31.2)

13,257 (20.8)

6179 (9.7)

 

Instant coffee consumption

 

≤1 cup/day

>1–3 cups/day

>3–5 cups/day

>5 cups/day

Baseline, N (%)

95,584 (91.8)

5563 (5.3)

2070 (2.0)

863 (0.8)

Follow-up, N (%)

58,108 (91.1)

3941 (6.2)

1212 (1.9)

493 (0.8)

 

Boiled coffee consumption

 

≤1 cup/day

>1–3 cups/day

>3–5 cups/day

>5 cups/day

Baseline, N (%)

83,094 (79.8)

8283 (8.0)

7474 (7.8)

5229 (5.0)

Follow-up, N (%)

56,441 (88.5)

3671 (5.8)

2258 (3.5)

1384 (2.2)