Skip to main content
. 2013 Oct 2;8(10):e75431. doi: 10.1371/journal.pone.0075431

Table 1. Demographic and clinical characteristics of Black Caribbean and White British participants included in the study.

White British (n = 43) Black Caribbean (n = 43) P value for statistical test
Place of birth:
United Kingdom 43 (100%) 34 (79%) Fisher’s exact p = 0.003
Caribbean 0 9 (21%)
Gender:
Male 15 (35%) 11 (26%) Chi-sq 0.88 (df 1), p = 0.35
Female 28 (65%) 32 (74%)
Mean age, SD (range) Median 57.5 yrs, 12.1 (35–88) 57.7 47.7 yrs, 10.8 (27–75) 48.1 t-test = 3.98(df 84), p<0.001
Highest level of education attained:
Did not go to school 1 (2%) 0 Fisher’s exact p = 0.053
Primary school 1 (2%) 0
Secondary School (GCSE) 13 (30%) 20 (47%)
Secondary School (A-level) 8 (19%) 10 (23%)
University 20 (47%) 9 (21%)
Degree/equivalent professional qualification:
Yes 23 (53%) 9 (21%) Chi-sq 9.75 (df = 1), p = 0.002
No 20 (47%) 34 (79%)
Geographical area of residence - Indices of multiple deprivation (IMD) (grouped):
Group 1 (most deprived) 22 (51%) 23 (56%) Fisher’s exact p = 0.46
Group 2 16 (37%) 18 (42%)
Group 3 3 (7%) 0
Group 4 (least deprived) 2 (5%) 2 (5%)
Religion:
No religion 12 (28%) 5 (12%) Fisher’s exact p = 0.040
Christian 26 (60%) 33 (76%)
Buddhist 5 (12%) 2 (5%)
Other 0 3 (7%)
Type of MS:
Relapsing remitting 8 (19%) 16 (37%) Fisher’s exact p = 0.14
Secondary progressive 19 (44%) 14 (33%)
Primary progressive 16 (37%) 14 (33%)
Age at:
Onset mean yrs, SD 34.3 yrs, 13.9 34.1 yrs, 11.2 t-test 0.08, p = 0.94
Diagnosis mean yrs, SD 41.4 yrs, 14.3 37.4 yrs, 11.3 t-test 1.43, p = 0.16
MS duration from diagnosis:
Mean yrs, SD (range) 16.1 yrs, 11.2 (1.67–0.29) 10.2 yrs, 5.7 (0.89–23.27) t-test 3.01, p = 0.004
Median 12.4 9.5
EDSS score:
6.0 15 (35%) 10 (23%) Fisher’s exact, p = 0.77
6.5 9 (21%) 14 (33%)
7.0 4 (9%) 6 (14%)
7.5 3 (7%) 4 (9%)
8.0 8 (18%) 6 (14%)
8.5 2 (5%) 1 (2%)
9.0 2 (5%) 2 (5%)
Time taken to reach EDSS stage from onset of symptoms (self- reported):
EDSS 4.0 mean yrs, SD (range) median 13.1 yrs, 12.0 (0.0–48.2) 10.2 5.9 yrs, 6.4 (0.0–25.6) 2.7 U = 258.5, p = 0.013
EDSS 6.0 mean yrs, SD (range) median 14.4 yrs, 11.9 (0.6–51.6) 12.7 7.6 yrs, 6.3 (0.9–25.9) 6.1 U = 535.5, p = 0.011
EDSS 8.0 mean yrs, SD (range) median 15.3 yrs, 13.9 (2.0–43.0) 10.2 12.0 yrs, 6.7 (5.9–24.6) 8.7 U = 95.0, p = 0.5