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Table 3 Demographics and general health characteristics of employed RRMS respondents by levels of work impairment

From: Burden of relapsing-remitting multiple sclerosis on workers in the US: a cross-sectional analysis of survey data

Parameters No work impairment (N = 47) 1–30% (N = 48) 31–68% (N = 42) 69–100% (N = 44) P value
Age, years (mean ± SD) 47.6 ± 10.6 46.5 ± 12.8 44.2 ± 9.5 41.95 ± 11.3 0.08
Gender, Female (%) 83 68.8 69 56.8 0.06
Employment status, % (n)
 Yes 100 (47) 100 (48) 100 (42) 100 (44)  
Household income per year, % (n)
 < $25 k 8.5 (4) 10.4 (5) 11.9 (5) 11.4 (5) 0.289
 $25- < 50 k 21.3 (10) 14.6 (7) 28.6 (12) 22.7 (10)
 50- < 75 k 29.8 (14) 18.8 (9) 21.4 (9) 20.5 (9)
 ≥ $75 k 38.3 (18) 56.3 (27) 31.0 (13) 45.5 (20)
 Declined to answer 2.1 (1) 0.0 (0) 7.1 (3) 0.0 (0)
Marital status, % (n)
 Married/Living with partner 59.6 (28) 68.8 (33) 61.9 (26) 68.2 (30) 0.738
 Not married 40.4 (19) 31.3 (15) 38.1 (16) 31.8 (14)
Level of education, % (n)
 Completed University Education 46.8 (22) 58.3 (28) 45.2 (19) 52.3 (23) 0.583
Possession of health insurance, % (n)
 Yes 93.6 (44) 97.9 (47) 97.6 (41) 88.6 (39) 0.185
Body mass index, kg/m2, % (n)
 < 18.5 2.1 (1) 0.0 (0) 7.1 (3) 4.5 (2) 0.576
 18.5 - < 25 42.6 (20) 41.7 (20) 23.8 (10) 43.2 (19)
 25 - < 30 21.3 (10) 22.9 (11) 35.7 (15) 20.5 (9)
 ≥ 30 31.9 (15) 33.3 (16) 28.6 (12) 29.5 (13)
 Declined to Answer 2.1 (1) 2.1 (1) 4.8 (2) 2.3 (1)
Smoking status, % (n)
 Current 19.1 (9) 18.8 (9) 26.2 (11) 38.6 (17) 0.220
 Former 29.8 (14) 29.2 (14) 33.3 (14) 15.9 (7)
 Never 51.1 (24) 52.1 (25) 40.5 (17) 45.5 (20)
Use of alcohol, % (n)
 Yes 70.2 (33) 66.7 (32) 59.5 (25) 84.1 (37) 0.085
Vigorous exercise in the past 1 month, % (n)
 Yes 87.2 (41) 58.3 (28) 52.4 (22) 75.0 (33) < 0.001
Comorbid medical conditions, % (n)
 Experienced anxiety (last 1 year) 25.5 (12) 33.3 (16) 52.4 (22) 70.5 (31) < 0.001
 Experienced depression (last 1 year) 19.1 (9) 27.1 (13) 42.9 (18) 59.1 (26) < 0.001
 Experienced sleep problems (last 1 year) 27.7 (13) 43.8 (21) 57.1 (24) 50.0 (22) 0.034
CCI score, mean ± SD 0.19 ± 0.54 0.35 ± 1.12 0.36 ± 0.62 1.05 ± 2.51 0.025
  1. CCI Charlson Comorbidity Index, n count, RRMS Relapsing Remitting Multiple Sclerosis