| Quartiles of neck circumference |  | |||
---|---|---|---|---|---|
Q1 (low) | Q2 | Q3 | Q4 (high) | Overall tendency | |
AHI < 5# | |||||
 Subjects, n | 805 | 655 | 491 | 283 |  |
 Events, n (%) | 39 (4.8) | 45 (6.9) | 49 (10.0) | 30 (10.6) |  |
 Univariate Model | 1 (Ref) | 1.457 (0.949–2.238) | 2.197 (1.443–3.346) | 2.341 (1.455–3.769) | 1.095 (1.054–1.137) |
 Multivariate Model 1 | 1 (Ref) | 0.997 (0.630–1.577) | 1.738 (0.982–3.077) | 2.265 (1.074–4.777) | 1.111 (1.034–1.194) |
 Multivariate Model 2 | 1 (Ref) | 0.891 (0.561–1.415) | 1.386 (0.780–2.463) | 1.762 (0.850–3.650) | 1.080 (1.008–1.157) |
 Multivariate Model 3 | 1 (Ref) | 0.844 (0.522–1.364) | 1.419 (0.778–2.589) | 1.668 (0.765–3.638) | 1.082 (1.003–1.166) |
AHI ≥ 5* | |||||
 Subjects, n | 304 | 455 | 681 | 759 |  |
 Events, n (%) | 31(10.2) | 51(11.2) | 83(12.2) | 86(11.3) |  |
 Univariate Model | 1 (Ref) | 1.086 (0.695–1.697) | 1.196 (0.792–1.807) | 1.107 (0.734–1.669) | 1.004 (0.974–1.035) |
 Multivariate Model 1 | 1 (Ref) | 1.051 (0.662–1.670) | 1.065 (0.646–1.757) | 1.107 (0.600–2.041) | 0.999 (0.948–1.054) |
 Multivariate Model 2 | 1 (Ref) | 0.972 (0.609–1.550) | 0.969 (0.587–1.599) | 0.995 (0.544–1.820) | 0.996 (0.947–1.049) |
 Multivariate Model 3 | 1 (Ref) | 0.870 (0.533–1.418) | 0.807 (0.480–1.357) | 0.690 (0.364–1.309) | 0.965 (0.912–1.022) |