Skip to main content

Table 1 Baseline age-standardized characteristics of men in the Cohort of Swedish Men and women in the Swedish Mammography Cohort by categories of coffee consumptiona

From: Coffee consumption is not associated with increased risk of atrial fibrillation: results from two prospective cohorts and a meta-analysis

  Coffee consumption, cups/day
  Men (n = 41,881) Women (n = 34,594)
  <2 2 to <3 3 to <4 4 to <5 ≥5 <2 2 to <3 3 to <4 4 to <5 ≥5
  n = 6,605 n = 10,017 n = 7,804 n = 7,342 n = 10,111 n = 5,745 n = 9,552 n = 7,656 n = 6,017 n = 5,624
Age (years) 61 (9.6) 61 (9.8) 61 (9.8) 60 (9.7) 57 (8.9) 62 (9.4) 62 (9.4) 62 (9.3) 61 (9.2) 59 (9.1)
Postsecondary education (%) 20 18 18 15 12 24 21 19 16 15
Current smokers (%) 18 21 21 26 37 16 19 22 27 37
History of cardiac disease (%) 10 9.7 9.1 8.6 8.9 5.3 4.0 4.3 4.5 4.1
History of hypertension (%) 28 25 24 23 22 23 23 21 20 20
History of diabetes (%) 10 9.4 9.0 9.0 9.6 5.1 4.9 4.4 4.3 4.6
Walking/bicycling ≥20 min/day (%) 61 63 63 64 60 70 71 71 71 68
Family history of MI (%) 15 15 14 15 16 17 17 17 17 18
Body mass index (kg/m2) 26 (3.4) 26 (3.2) 26 (3.1) 26 (3.1) 26 (3.3) 25 (4.0) 25 (3.8) 25 (3.7) 25 (3.8) 25 (3.9)
Alcohol intake (drinks/week)b 8.0 (7.3) 8.0 (6.8) 7.8 (6.7) 7.8 (6.8) 7.7 (7.1) 4.0 (4.6) 3.8 (4.1) 3.7 (4.0) 3.6 (3.9) 3.6 (4.0)
Tea consumption (cups/day) 1.1 (1.4) 0.7 (1.0) 0.5 (0.9) 0.4 (0.9) 0.3 (0.8) 1.1 (1.3) 0.7 (1.0) 0.5 (0.9) 0.4 (0.8) 0.3 (0.9)
  1. aBaseline characteristics are presented as mean (± SD) or %; bamong current drinkers. MI, myocardial infarction