Table 2. Articular diseases, symptoms and medication predicted by chronotype.a .
| Chronotype | Odds ratio | 95% confidence limit | |
| Lower | Upper | ||
| Rheumatoid arthritis diagnosed or treated by doctor in the past 12 months | |||
| Model 1 (N = 6074, No N = 5988, Yes N = 86) | |||
| Evening-types | 0.6 | 0.2 | 1.5 |
| Intermediate-types | 1.7 | 1.1 | 2.6* |
| Model 2 (N = 6074, No N = 5988, Yes N = 86) | |||
| Evening-types | 0.9 | 0.3 | 2.2 |
| Intermediate-types | 2.0 | 1.3 | 3.1** |
| Model 3 (N = 5954, No N = 5873, Yes N = 81) | |||
| Evening-types | 0.9 | 0.3 | 2.4 |
| Intermediate-types | 2.0 | 1.3 | 3.3** |
| Rheumatic symptoms past month | |||
| Model 1(N = 6079, No N = 5632, Yes N = 447) | |||
| Evening-types | 1.2 | 0.9 | 1.6 |
| Intermediate-types | 1.1 | 0.9 | 1.3 |
| Model 2 (N = 6079, No N = 5632, Yes N = 447) | |||
| Evening-types | 1.7 | 1.2 | 2.2** |
| Intermediate-types | 1.2 | 1.0 | 1.5 |
| Model 3 (N = 5961, No N = 5527, Yes N = 434) | |||
| Evening-types | 1.6 | 1.1 | 2.2** |
| Intermediate-types | 1.2 | 0.9 | 1.5 |
| Articular pain past month | |||
| Model 1(N = 6074, No N = 4167, Yes N = 1907) | |||
| Evening-types | 0.9 | 0.8 | 1.1 |
| Intermediate-types | 0.9 | 0.8 | 1.0* |
| Model 2 (N = 6074, No N = 4167, Yes N = 1907) | |||
| Evening-types | 1.3 | 1.1 | 1.5* |
| Intermediate-types | 1.0 | 0.9 | 1.2 |
| Model 3 (N = 5956, No N = 4093, Yes N = 1863) | |||
| Evening-types | 1.3 | 2.0 | 1.5* |
| Intermediate-types | 1.0 | 0.9 | 1.2 |
| Other articular disease diagnosed or treated by doctor in the past 12 months | |||
| Model 1 (N = 6063, No N = 5444, Yes N = 619) | |||
| Evening-types | 0.9 | 0.7 | 1.1 |
| Intermediate-types | 0.8 | 0.7 | 1.0* |
| Model 2 (N = 6063, No N = 5444 Yes N = 619) | |||
| Evening-types | 1.3 | 1.0 | 1.8* |
| Intermediate-types | 1.0 | 0.8 | 1.2 |
| Model 3 (N = 5944, No N = 5337, Yes N = 607) | |||
| Evening-types | 1.4 | 1.0 | 1.8* |
| Intermediate-types | 1.0 | 0.8 | 1.2 |
| Medication for articular pain | |||
| Model 1 (N = 5967, No N = 1577, Yes N = 4390) | |||
| Evening-types | 1.1 | 0.9 | 1.4 |
| Intermediate-types | 1.0 | 0.9 | 1.2 |
| Model 2 (N = 5967, No N = 1577, Yes N = 4390) | |||
| Evening-types | 1.2 | 1.0 | 1.5 |
| Intermediate-types | 1.1 | 0.9 | 1.2 |
| Model 3 (N = 5858, No N = 1545, Yes N = 4313) | |||
| Evening-types | 1.3 | 1.0 | 1.5* |
| Intermediate-types | 1.1 | 0.9 | 1.2 |
a
Model 1 crude (univariate); model 2 controlled for gender and age; model 3 controlled for gender, age, education level, civil status, physical activity, alcohol consumption, and current smoking. Morning-types as the reference category. * p<0.05; ** p<0.01; *** p<0.001; **** p<0.0001.