| Quartiles of neck circumference |  | |||
---|---|---|---|---|---|
Q1 (low) | Q2 | Q3 | Q4 (high) | The overall tendency | |
AHI < 5# | |||||
 Subjects, n | 805 | 655 | 491 | 283 |  |
 Events, n (%) | 10 (1.2) | 17 (2.6) | 17 (3.5) | 14 (4.9) |  |
 Univariate Model | 1 (Ref) | 2.120 (0.971–4.631) | 2.951 (1.351–6.445) | 4.164 (1.849–9.374) | 1.117 (1.049–1.189) |
 Multivariate Model 1 | 1 (Ref) | 1.622 (0.710–3.705) | 2.760 (0.977–7.798) | 5.480 (1.574–19.075) | 1.141 (1.014–1.282) |
 Multivariate Model 2 | 1 (Ref) | 1.629 (0.714–3.717) | 2.782 (0.992–7.807) | 5.486 (1.624–18.527) | 1.139 (1.019–1.274) |
 Multivariate Model 3 | 1 (Ref) | 1.914 (0.762–4.807) | 3.427 (1.806–10.814) | 5.477 (1.422–21.090) | 1.134 (1.001–1.284) |
AHI ≥ 5* | |||||
 Subjects, n | 304 | 455 | 681 | 759 |  |
 Events, n (%) | 8 (2.6) | 18 (4.0) | 34 (5.0) | 26 (3.4) |  |
 Univariate Model | 1 (Ref) | 1.479 (0.643–3.402) | 1.886 (0.873–4.074) | 1.291 (0.584–2.851) | 1.013 (0.962–1.068) |
 Multivariate Model 1 | 1 (Ref) | 1.773 (0.749–4.194) | 2.115 (0.858–5.215) | 1.972 (0.663–5.868) | 1.061 (0.979–1.150) |
 Multivariate Model 2 | 1 (Ref) | 1.643 (0.690–3.914) | 1.891 (0.762–4.690) | 1.735 (0.586–5.135) | 1.050 (0.968–1.139) |
 Multivariate Model 3 | 1 (Ref) | 1.292 (0.504–3.309) | 1.538 (0.579–4.087) | 1.393 (0.472–4.538) | 1.033 (0.944–1.130) |