Participants characteristics according to body mass index-based general obesity
| Variable | Normal | Overweight | Obese | P value | |||
| n=14 432 | n=7657 | n=10 295 | |||||
| n | Weighted % (SE) | n | Weighted % (SE) | n | Weighted % (SE) | ||
| Age | 42.65 (0.23) | 47.29 (0.24) | 47.05 (0.22) | <0.001 | |||
| Sex (female) | 9235 | 57.87 (0.53) | 4054 | 45.15 (0.64) | 5520 | 44.16 (0.55) | <0.001 |
| Severe drinking | 2761 | 20.67 (0.46) | 1707 | 25.51 (0.65) | 2316 | 26.87 (0.57) | <0.001 |
| Current smoking | 2936 | 24.64 (0.48) | 1600 | 26.92 (0.70) | 2204 | 28.61 (0.58) | <0.001 |
| Residence (rural area) | 3307 | 18.15 (1.18) | 1771 | 18.86 (1.27) | 2519 | 20.57 (1.37) | <0.001 |
| Family income (intermediate/high) | 8665 | 58.48 (0.75) | 4658 | 59.99 (0.82) | 5930 | 56.67 (0.79) | 0.003 |
| Allergic rhinitis | 1198 | 16.43 (0.61) | 501 | 13.17 (0.71) | 670 | 13.44 (0.62) | <0.001 |
| Hypertension | 1979 | 10.03 (0.31) | 1748 | 17.50 (0.48) | 3249 | 25.38 (0.54) | <0.001 |
| Stroke | 227 | 1.09 (0.09) | 165 | 1.40 (0.12) | 249 | 1.62 (0.12) | 0.006 |
| Bronchial asthma | 410 | 2.63 (0.16) | 251 | 2.91 (0.25) | 388 | 3.34 (0.20) | 0.027 |
| Influenza vaccination | 9123 | 70.98 (0.56) | 4566 | 68.33 (0.69) | 6117 | 68.01 (0.61) | <0.001 |
| Depression | 543 | 3.42 (0.19) | 299 | 3.45 (0.23) | 452 | 3.85 (0.23) | 0.271 |
| Pulmonary tuberculosis | 904 | 5.66 (0.23) | 368 | 4.49 (0.28) | 360 | 3.12 (0.19) | <0.001 |