Table 1 Socio-demographic characteristics of cases and controls enrolled in a case-control study of risk factors for multiple sclerosis in Kuwait
From: A matched case-control study of risk factors associated with multiple sclerosis in Kuwait
Characteristics | MS patients (N1 = 110) | Controls (N2 = 110) |
|---|---|---|
n1 (%) | n2 (%) | |
Current age (years) | ||
< 20 | 8 (7.3) | 4 (3.6) |
20–29 | 28 (25.5) | 34 (30.9) |
30–39 | 43 (39.1) | 40 (36.4) |
40–49 | 19 (17.3) | 19 (17.3) |
≥ 50 | 12 (10.9) | 13 (11.8) |
Mean (SD) | 34.8 (10.3) | 34.9 (10.6) |
Age (years) at MS onset Mean (SD) | 27.3 (9.0) | 27.3 (9.0) |
Gender | ||
Male | 26 (23.6) | 26 (23.6) |
Female | 84 (76.4) | 84 (76.4) |
Nationality | ||
Kuwaiti | 91 (82.7) | 91 (82.7) |
Non-Kuwaiti | 19 (17.3) | 19 (17.3) |
Country of birth | ||
Kuwait | 98 (89.1) | 103 (93.6) |
Abroad | 12 (10.9) | 7 (6.4) |
Marital status at MS onset | ||
Never married | 54 (49.1) | 61 (55.5) |
Ever married | 56 (50.9) | 49 (44.5) |
Income (KD/month) at MS onset | ||
≤ 600 | 13 (12.4) | 13 (12.0) |
601–1200 | 25 (23.8) | 24 (22.2) |
> 1201 | 67 (63.8) | 71 (65.7) |
Area of residence | ||
Capital | 30 (27.5) | 22 (20.0) |
Hawalli | 36 (33.0) | 53 (48.2) |
Farwaniya | 13 (11.9) | 7 (6.4) |
Ahmadi | 8 (7.3) | 11 (10.0) |
Jahra | 4 (3.7) | 7 (6.4) |
Mubarak Al Kabeer | 18 (16.5) | 10 (9.1) |