Table 1

Patient characteristics (number of patients = 946)

Characteristic

Alcohol consumption levela

P-value


None

(n = 546)

Low

(n = 338)

Moderate

(n = 31)

Heavy

(n = 31)


Female, n (%)

517 (94.7)

318 (94.1)

28 (90.3)

30 (96.8)

0.69

Age, y, mean (SD)

49 (13.1)

48 (12.0)

52 (12.3)

52 (14.3)

0.08

Race/ethnicity, n (%)

0.50

White

536 (98.2)

335 (99.1)

31 (100)

30 (96.8)

Nonwhite

10 (1.8)

3 (0.9)

0 (0)

1 (3.2)

Abuse history, n/total (%)

155/537 (28.9)

108/334 (32.3)

9 (29.0)

12 (38.7)

0.53

Current tobacco user, n/total (%)

80/543 (14.7)

45 (13.3)

7 (22.6)

5 (16.1)

0.55

Marital status, n (%)

0.90

Married

421 (77.1)

252 (74.6)

22 (71.0)

23 (74.2)

Unmarried

114 (20.9)

78 (23.1)

8 (25.8)

8 (25.8)

Widowed

11 (2.0)

8 (2.4)

1 (3.2)

0 (0)

Employment status, n (%)

<0.001

Employed

255 (46.7)

213 (63.0)

20 (64.5)

14 (45.2)

Homemaker

56 (10.3)

19 (5.6)

2 (6.5)

5 (16.1)

Retired

70 (12.8)

33 (9.8)

5 (16.1)

6 (19.4)

Unemployed

165 (30.2)

73 (21.6)

4 (12.9)

6 (19.4)

Education level, n/total (%)

0.009

<12th grade

24/538 (4.5)

6/334 (1.8)

1 (3.2)

2/30 (6.7)

High school

188/538 (34.9)

89/334 (26.7)

9 (29.0)

7/30 (23.3)

Some college or technical college

171/538 (31.8)

110/334 (32.9)

5 (16.1)

10/30 (33.3)

College, graduate school

155/538 (28.8)

129/334 (38.6)

16 (51.6)

11/30 (36.7)

Body mass index, kg/m2, mean (SD)

30.5 (7.4)

29.2 (7.2)

27.4 (6.0)

27.0 (4.3)

0.002

Opioid use, n/total (%)

155/545 (28.4)

67 (19.8)

2 (6.45)

6 (19.35)

0.002

Benzodiazepine use, n/total (%)

120/545 (22.0)

61 (18.1)

4 (12.9)

9 (29.0)

0.21

Alcoholic drinks consumed per week, mean number (SD)

...

0.5 (0.7)

5.8 (1.2)

14.8 (8.5)

...


aAlcohol consumption levels were defined as follows: none, 0 drinks/wk; low, ≤3 drinks/wk; moderate, >3 to 7 drinks/wk; heavy, >7 drinks/wk. n, number of patients.

Kim et al. Arthritis Research & Therapy 2013 15:R42   doi:10.1186/ar4200

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