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Table 1 Subject characteristics

From: Alcohol and tobacco consumption affects bacterial richness in oral cavity mucosa biofilms

Demographics

C (n=9)

SD (n=7)

S (n=6)

P-Value

Average age (years)

58.11 ± 8.28

59.86 ± 3.39

56.67 ± 2.49

0.8458

Gender

F:1/M:8

F:1/M:6

F:1/M:5

0.9522

Average height (m)

1.71 ± 0.09

1.72 ± 0.07

1.69 ± 0.02

0.6845

Average weight (kg)

80 ± 11.94

72.29 ± 4.99

79.66 ± 5.95

0.467

Average BMI

27.44 ± 4.11

24.26 ± 1.13

27.72 ± 1.49

0.2433

Average cigarettes/day

0

18.43 ± 4.07

24.5 ± 3.49

0.00022*

Average alcohol intake/day (mL) in the last 6 months

0.9 ± 0.7

41.3 ± 14.3

0.01 ± 0.01

0.004*

Estimated total drinks’

6.2 ± 2.7

1668.9 ± 598.8

0.44 ± 0.44

0.004*

Daily mouthwash use

Yes (1)

Yes (3)

Yes (1)

0.3132

No (8)

No (4)

No (5)

Tooth cleaning frequency (per day)

1× (0)

1× (1)

1× (1)

0.7669

2× (4)

2× (3)

2× (2)

3× (5)

3× (3)

3× (3)

Self reported gingival bleeding

Yes (4)

Yes (1)

Yes (3)

0.9676

No (5)

No (6)

No (3)

Use of dentures

Yes (4)

Yes (4)

Yes (3)

0.8858

No (5)

No (3)

No (3)

Frequency of dentist appointments

1×/year (5)

1×/year (2)

1×/year (1)

0.5425

1×/2-5 years (1)

1×/2-5 years (2)

1×/2-5 years (1)

1×/5 years (2)

1×/5 years (1)

1×/5 years (2)

Never (1)

Never (2)

Never (2)

  1. Values are given as average ± standard error. Height is given in meters (m), weight in kilograms (kg) and average daily alcohol intake is shown in milliliters (mL) per day. † Estimated total drinks = (average alcohol intake/day (mL)) × (years drinking). C: controls; SD: smokers/drinkers; S: only smokers; F: females; M: males; BMI: body mass index. Statistically significant differences (p<0.05) are indicated (*) by the Kruskal-Wallis Test.