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Table 1 Characteristics of the included studies

From: The protective effect of alcohol consumption on the incidence of cardiovascular diseases: is it real? A systematic review and meta-analysis of studies conducted in community settings

Author Year

Country

Setting

Follow-up (years)

Age range (baseline)

No. of total participants

No. of total incident cases

Reference group

Comparison groups (level of alcohol intake)

NOS score (1–9)

Study design

Burke V, 200721

Australia

Community

11.6

15–88

258 (men)

256 (women)

44.57% (men)

46.48%

(women)

Lifetime abstainer

≤40 g/day, 41-60 g/day, 61-120 g/day, 120-150 g/day, > 150 g/day (men)

≤20 g/day, 21-40 g/day, 41-80 g/day, 81-120 g/day, > 120 g/day (women)

7

Cohort

Higashiyama A, 201322

Japan

Community

13.0

30–79

2336 (men)

9.25%

Never drinkers

≤23 g/day, 23-46 g/day, > 46 g/day

9

Cohort

Ikehara S, 200923

Japan

Community

9.9

40–69

19,356 (men)

4.32%

Never drinkers

0.1–21.3 g/day, 21.4 g–42.7 g/day, 42.8 g–64.1 g/day, ≥64.2 g/day

9

Cohort

King DE, 200824

USA

Community

4

51–70

7359 (men+women)

1.06%

Non drinkers

≤2 drinks/day, > 2drinks/day (men)

≤1 drink/day, > 1 drink/day (women)

8

Cohort

Iso H, 199520

Japan

Community

10.5

40–69

2890 (men)

7.79%

Never drinkers

1-20 g/day, 21-41 g/day, 42-69 g/day, ≥70 g/day

9

Cohort

Snow WM, 200918

Canada

Community

10

18–64

580 (men)

574 (women)

36.03% (men)

30.49% (women)

Never and occasional (< 0.65 g/day) drinkers

0.65–5.77 g/day, 5.78–18.1 g/day, > 18.1 g/day (men)

0.65–2.92 g/day, 2.93–9.15 g/day, > 9.15 g/day (women)

7

Cohort

Smyth A, 201519

12 countries

Community

4.3 (3.0–6.0)

35–70

114,970

(men+women)

2.38%

Never drinkers

< 1 drink/day, 1-3drinks/day, >3drinsk/day (men)

< 1 drink/day, 1–2 drinks/day, > 2 drinks/day (women)

8

Cohort

  1. NOS: Newcastle-Ottawa scale