Table 1.
Baseline characteristics and comparing the OR of a male vs female case
| Variables | Female N (%) 12,403 (75.4) |
Male N (%) 4044 (24.6) |
Total N (%) 16,447 (100) |
P value | Crude OR (95% CI) |
|---|---|---|---|---|---|
| Familial history of MS | |||||
| No | 10,507 (87.4) | 3343 (86.4) | 13,850 (87.2) | – | Reference |
| Yes | 1509 (12.6) | 526 (13.6) | 2035 (12.8) | 0.09 | 0.91 (0.82–1.01) |
| Age group (years) | |||||
| 18< | 1310 (10.6) | 362(9.0) | 1672 (10.2) | 0.00 | 1.24 (1.08–1.41) |
| 18–27 | 4855 (39.2) | 1460 (36.1) | 6316 (38.4) | 0.00 | 1.14 (1.04–1.24) |
| 28–37 | 3888 (31.4) | 1335 (33.0) | 5225 (31.8) | – | Reference |
| 38–47 | 1513 (12.2) | 529 (13.1) | 2042 (12.4) | 0.75 | 0.98 (0.87–1.10) |
| 48≥ | 837 (6.6) | 358 (8.8) | 1192 (7.2) | 0.00 | 0.79 (0.69–0.91) |
OR = odds ratio, 95% CI= 95% confidence interval by logistic regression analysis
Bold numbers correspond to significant value