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Table 3 Mean scores for age, BMI, IMD, the SF-12 PCS and MCS and the EQ-5D using the five categories of no joint pain to four sites of joint pain

From: Multisite peripheral joint pain: a cross-sectional study of prevalence and impact on general health, quality of life, pain intensity and consultation behaviour

  No sites of joint pain
mean (SD)
Pain in one joint site
mean (SD)
Pain in two joint sites
mean (SD)
Pain in three joint sites
mean (SD)
Pain in four joint sites
mean (SD)
Overall difference between groups Linear trend test
Age 62.6
(11.3)
63.0
(11.1)
63.8
(11.0)
64.8
(11.2)
66.3
(10.9)
F = 43.6a
p < 0.001
F = 171.9b
p < 0.001
BMI 25.6
(4.0)
26.3
(4.1)
27.0
(4.5)
27.7
(5.1)
28.4
(5.6)
F = 138.1a
p < 0.001
F = 531.8b
p < 0.001
IMD 20,685
(8122)
20,985
(8070)
20,324
(8365)
19,657
(8368)
18,561
(8609)
F = 33.2a
P < 0.001
F = 114.6b
P < 0.001
SF-12
(PCS)
51.9
(8.9)
48.8
(10.1)
44.9
(11.5)
40.5
(12.3)
35.0
(12.2)
F = 919.2a
p < 0.001
F = 3637.3b
p < 0.001
SF-12 (MCS) 52.5
(8.9)
51.7
(9.2)
50.1
(10.2)
48.3
(10.8)
45.5
(11.7)
F = 190.9a
p < 0.001
F = 752.6b
p < 0.001
EQ-5D 0.90
(0.15)
0.82
(0.19)
0.74
(0.22)
0.64
(0.27)
0.51
(0.32)
F = 1045.5a
p < 0.001
F = 4151.0b
p < 0.001
  1. a= One-way ANOVA used for interval/ratio data with four degrees of freedom. b = One-way ANOVA with linear contrast with one degree of freedom. IMD sample range 231-32,468 where lower scores indicate the most deprived areas