Table 1 Baseline characteristics of participants after exclusion of other autoimmune diseases
| Â | Non-PSO | PSO | SMD |
|---|---|---|---|
|  | N = 463136 | N = 13463 | |
Age (years) | 56.9 (8.11) | 57.4 (7.98) | 0.057 |
Male (N, %) | 212843 (46.0%) | 6840 (50.8%) | 0.097 |
BMI (kg/m2) | 27.4 (4.76) | 28.3 (5.09) | 0.178 |
SBP (mmHg) | 138 (18.50) | 139 (18.20) | 0.052 |
FBG (mmol/L) | 5.12 (1.23) | 5.20 (1.39) | 0.064 |
Smoking status (%) | Â | Â | 0.228 |
 Never | 256841 (55.5%) | 6001 (44.6%) | |
 Previous | 158186 (34.2%) | 5428 (40.3%) | |
 Current | 48109 (10.4%) | 2034 (15.1%) | |
Alcohol intake frequency (%) | Â | Â | 0.048 |
 Daily or almost daily | 94455 (20.4%) | 2992 (22.2%) | |
 Three or four times a week | 107973 (23.3%) | 3086 (22.9%) | |
 Once or twice a week | 120155 (25.9%) | 3314 (24.6%) | |
 One to three times a month | 51509 (11.1%) | 1491 (11.1%) | |
 Special occasions only | 52594 (11.4%) | 1520 (11.3%) | |
 Never | 36450 (7.9%) | 1060 (7.9%) | |
Physical activity (%) | Â | Â | 0.047 |
 Low intensity | 86288 (18.6%) | 2759 (20.5%) | |
 Moderate intensity | 189459 (40.9%) | 5420 (40.3%) | |
 High intensity | 187389 (40.5%) | 5284 (39.2%) | |
Medication use | |||
 Glucocorticoids (N, %) | 4780 (1.03%) | 282 (2.09%) | <0.001 |
 Methotrexate (N, %) | 305 (0.07%) | 403 (2.99%) | <0.001 |
 Cyclosporine (N, %) | 68 (0.01%) | 15 (0.11%) | <0.001 |