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Table 1 Demographic data and behavioral characteristics of study participants

From: Laryngopharyngeal reflux disease in the Greek general population, prevalence and risk factors

Variable

Group

Number

Percent

Gender

Female

157

46.2

Male

183

53.8

Total

340

100.0

Age (in years)

Mean (±SD): 46.86 (±14.54)

<20

2

0.6

20–34

71

20.9

35–49

131

38.5

50–64

88

25.9

65–79

45

13.2

> = 80

3

0.9

Total

340

100.0

Smoking

Yes

174

51.2

No

166

48.8

Total

340

100

Duration of smoking (years) Mean (±SD): 18.23 (±8.6)

1–5

7

4.1

5–10

29

17.2

10–15

39

23.1

15–20

34

20.1

20–25

30

17.8

25–30

9

5.3

>30

21

12.4

Total

169

100

Number of cigarettes per day

Mean (±SD): 20.51 (±11.83)

1–9

18

13.7

10–19

38

29.0

20–29

42

32.1

30–39

17

13.0

40–49

13

9.9

50–59

1

0.8

60+

2

1.5

Total

131

100

Drinker

No

239

70.3

Yes

101

29.7

Total

340

100

Number of drinks per day

1–2

72

71.3

3–4

17

16.8

5–6

11

10.9

9–10

1

1.0

Total

101

100