Mild
(n=358)
Moderate
(n = 491)
Severe
(n = 192)
Mean SE Mean SE Mean SE
Patients with MS
Age, y 47.9a,b 0.51 49.7a 0.41 50.7b 0.66
Sex (% female) 76.3 2.3 80.2 1.8 73.4 3.2
Charlson Comorbidity Index (CCI) score 0.34a,b 0.04 0.55a 0.06 0.74b 0.10
Care partners (employees)
Age, y (at index date) 49.0a,b 0.50 50.5a 0.41 51.7b 0.64
Sex (% female) 24.6 2.3 19.8c 1.8 27.6c 3.2
Race, %
White 25.7 2.3 31.8 2.1 24.5 3.1
Black 3.1 0.9 2.2 0.7 2.6 1.2
Hispanic 5.6a 1.2 2.9a 0.8 4.2 1.4
Other race 1.7 0.7 1.0 0.5 0.0 0.0
Missing 64.0 2.5 62.1 2.2 68.8 3.4
Region by first digit of zip code, %d
0 9.5a 1.6 5.5a 1.0 5.7 1.7
1 10.6b 1.6 9.4c 1.3 17.7b,c 2.8
2 6.7a 1.3 11.2a 1.4 7.3 1.9
3 8.1 1.4 10.4 1.4 8.9 2.1
4 6.7 1.3 6.7 1.1 8.3 2.0
5 9.0b 1.5 7.7 1.2 4.2b 1.4
6 6.4 1.3 7.5 1.2 9.4 2.1
7 14.3 1.9 14.7 1.6 14.1 2.5
8 13.7 1.8 14.3 1.6 9.9 2.2
9 14.8 1.9 12.6 1.5 14.6 2.6
Job-related variables
Annual salary, $ 110 249 12 597 91 816 3457 80 735 4586
Full-time employment, % 79.6 2.1 82.9 1.7 83.9 2.7
Exempt, % 42.2 2.6 43.2 2.2 41.7 3.6
Employee tenure, y 11.1 0.52 11.4 0.43 11.8 0.73
CCI score 0.28 0.05 0.30 0.04 0.27 0.06