Table 4.
Cluster Group Demographics and Clinical Characteristics
| Variable, units | Mild Symptom Cluster N=96 | Moderate Symptom Cluster N=73 | Severe Symptom Cluster N=36 |
|---|---|---|---|
| Mean±SD | Mean±SD | Mean±SD | |
| Age, years*** | 49.7±13.2 | 49.3±13.0 | 48.6±13.7 |
| MS Duration, years*** | 13.4±9.5 | 13.0±9.7 | 10.5±8.5 |
| Median(IQR) | Median(IQR) | Median(IQR) | |
| PDDS | 1.0(3.0) | 2.0(3.0) | 2.0(4.0) |
| Sex | n(%) | n(%) | n(%) |
| Female | 75(78.9) | 50(68.5) | 29(80.6) |
| Male | 20(21.1) | 23(31.5) | 7(19.4) |
| Marital Status* | |||
| Married | 70(72.9) | 38(52.1) | 17(47.2) |
| Single/Divorced/Widowed | 26(27.1) | 35(47.9) | 19(52.8) |
| Employed | |||
| Yes | 64(66.7) | 40(55.6) | 12(34.3) |
| No | 32(33.3) | 32(44.4) | 23(65.7) |
| Race*** | |||
| Caucasian | 66(69.5) | 46(63.0) | 21(58.3) |
| African American | 25(26.3) | 25(34.2) | 13(36.1) |
| Other | 4(3.2) | 2(2.7) | 2(5.6) |
| Education | |||
| High School-Some College | 31(32.2) | 36(42.1) | 21(58.3) |
| College Graduate or More | 65(67.7) | 37(57.9) | 15(41.7) |
| Annual Household Income | |||
| $40,000 or Less | 17(18.3) | 33(45.8) | 21(58.3) |
| Greater than $40,000 | 76(81.7) | 39(54.2) | 15(41.7) |
| MS Clinical Course | |||
| RRMS | 91(94.8) | 61(83.6) | 31(86.1) |
| Progressive | 5(5.2) | 12(16.4) | 5(13.9) |
Note. PDDS: Patient Determined Disease Steps; RRMS: Relapsing Remitting Multiple Sclerosis