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Table 1 Demographics and general health characteristics of employed RRMS vs. non-MS respondents

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

  Employed: RRMS Vs. non-MS respondents Employed: RRMS Vs. non-MS respondents (Matched sample: ratio 1:4)
Employed non-MS respondents (N = 102,139) Employed RRMS respondents (N = 196) Employed non-MS respondents (N = 784) Employed RRMS respondents (N = 196) Test result significancea Standardized difference
Age, years (mean [SD]) 41.7 (13.9) 45.2 (11.0) 45.3 (11.2) 45.2 (11.0) 0.971 0.009
Gender
 Female, n (%) 51,141 (50.1) 137 (69.9) 553 (70.5) 137 (69.9) 0.861 0.003
Household Income per year, n (%)
 < $25 k 11,873 (11.6) 23 (11.7) 88 (11.2) 23 (11.7) 0.487  
 $25–< 50 k 23,517 (23.0) 41 (20.9) 161 (20.5) 41(20.9)  
 50–< 75 k 21,029 (20.6) 44 (22.4) 169 (21.6) 44 (22.4)  
 > $75 k 41,480 (40.6) 84 (42.9) 326 (41.6) 84 (42.9)  
 Declined to answer 4240 (4.2) 4 (2.0) 40 (5.1) 4 (2.0)  
Marital Status, n (%)
 Married or living with partner 58,213 (57.0) 125 (63.8) 491 (62.6) 125 (63.8) 0.766  
 Not 43,650 (42.7) 71 (36.2) 293 (37.4) 71 (36.2)  
 Declined to answer 276 (0.3) 0 (0)  
Level of Education, n (%)
 Completed university education 55,295 (54.1) 100 (51.0) 394 (50.3) 100 (51.0) 0.769 0.0041
 Not 46,703 (45.7) 96 (49.0) 388 (49.5) 96 (49.0) 0.0044
 Declined to answer 141 (0.1) 0 (0) 2 (0.3) 0 (0) N/A
Health Insurance, n (%)
 Yes 91,509 (89.6) 185 (94.4) 746 (95.2) 185 (94.4) 0.660  
 No 10,630 (10.4) 11 (5.6) 38 (4.8) 11 (5.6) 0.0378
Body Mass Index, n (%)
 Underweight (< 18.5 kg/m2) 3244 (3.2) 6 (3.1) 23 (2.9) 6 (3.1) 0.122 0.076
 Normal weight (18.5 to < 25.0 kg/m2) 35,823 (35.1) 74 (37.8) 232 (29.6) 74 (37.8) 0.0051
 Overweight (25 to < 30.0 kg/m2) 31,519 (30.9) 48 (24.5) 251 (32.0) 48 (24.5) 0.0094
 Obese (30.0 kg/m2 and above) 28,223 (27.6) 63 (32.1) 246 (31.4) 63 (32.1) 0.0066
 Declined to answer 3330 (3.3) 5 (2.6) 32 (4.1) 5 (2.6) 0.1055
Smoking Status, n (%)
 Current 16,893 (16.5) 49 (25.0) 196 (25.0) 49 (25.0) 1.000  
 Former 21,895 (21.4) 52 (26.5) 208 (26.5) 52 (26.5)  
 Never 63,351 (62.0) 95 (48.5) 380 (48.5) 95 (48.5)  
Use of Alcohol, n (%)
 Yes 74,820 (73.3) 138 (70.4) 202 (25.8) 58 (29.6) 0.278  
 No 27,319 (26.7) 58 (29.6) 582 (74.2) 138 (70.4)  
Vigorous Exercise in the Past 30 Days, n (%)
 Yes 73,040 (71.5) 132 (67.3) 263 (33.5) 64 (32.7) 0.813  
 No 29,099 (28.5) 64 (32.7) 521 (66.5) 132 (67.3)  
Comorbid Medical Conditions, n (%)
 Experienced Anxiety in the past 12 months 34,639 (33.9) 88 (44.9) 271 (34.6) 88 (44.9) 0.007  
 Experienced Depression in the past 12 months 24,914 (24.4) 71 (32.6) 204 (26.0) 71 (36.2) 0.004  
 Experienced sleep problems in the past 12 months 31,473 (30.8) 87 (44.4) 263 (33.5) 87 (44.4) 0.004  
CCI Scoring, mean (SD) 0.29 (0.83) 0.44 (1.40) 0.34 (0.82) 0.44 (1.40) 0.174 0.103
  1. CCI Charlson Comorbidity Index, MS Multiple Sclerosis, RRMS Relapsing Remitting Multiple Sclerosis, SD Standard Deviation
  2. aSignificance from Pearson chi-square tests except for age, which was from one-way ANOVA