Table 1

Table of demographics for the rheumatoid arthritis and healthy control groups

Rheumatoid arthritis

Healthy control


Mean age (standard deviation)

49.3 (11.2)

41.5 (10.0)

Gender

male

44 (9.4%)

234 (46.8%)

female

424 (90.6%)

266 (53.2%)

Education

basic

107 (23.3%)

62 (12.9%)

technical

121 (26.3%)

85 (17.7%)

university

232 (50.4%)

334 (69.4%)

Annual Income

<£ 25,000

204 (51.8%)

166 (39.2%)

25,000 to 50,000

144 (36.5%)

153 (36.1%)

>50,000

46 (11.7%)

105 (24.8%)

Ethnic origin

white (U.K.)

301 (64.6%)

310 (66.2%)

white (other)

151 (32.4%)

81 (17.3%)

other

14 (3.0%)

77 (16.5%)

Marital status

single

159 (34.0%)

86 (18.8%)

married

305 (65.2%)

269 (58.7%)

living together

42 (9.0%)

53 (11.6%)


Tillmann et al. Arthritis Research & Therapy 2013 15:R45   doi:10.1186/ar4204

Open Data