Table 4 Stratified analysis of the correlation between LAP、VAI and OSA in adults in the NHANES 2015–2018

Age

0.0156

0.0215

< 60

1.004 (1.002, 1.006) 0.0008

1.065 (1.020, 1.113) 0.0046

> =60

0.999 (0.996, 1.002) 0.5545

0.970 (0.906, 1.039) 0.3841

Gender

0.7949

0.7768

Male

1.002 (1.000, 1.005) 0.0318

1.035 (0.990, 1.082) 0.1277

Female

1.002 (0.999, 1.005) 0.1674

1.046 (0.990, 1.106) 0.1119

BMI

0.5129

0.4957

< 25

1.000 (0.993, 1.008) 0.9108

1.010 (0.886, 1.153) 0.8785

25–30

1.001 (0.998, 1.004) 0.6419

1.013 (0.959, 1.070) 0.6354

> 30

1.003 (1.001, 1.005) 0.0107

1.058 (1.003, 1.116) 0.0374

Diabetes

0.3902

0.2707

Yes

1.002 (0.999, 1.005) 0.1715

1.026 (0.961, 1.096) 0.4350

No

1.002 (1.000, 1.004) 0.0230

1.046 (1.003, 1.091) 0.0340

Borderline

1.017 (0.995, 1.040) 0.1253

1.615 (0.910, 2.867) 0.1013

Smoke

0.5284

0.3934

Yes

1.003 (1.000, 1.005) 0.0205

1.058 (1.005, 1.114) 0.0322

No

1.002 (1.000, 1.004) 0.1143

1.026 (0.979, 1.076) 0.2842

Education level

0.6183

0.4624

High school or less

1.001 (0.999, 1.004) 0.2685

1.017 (0.964, 1.074) 0.5338

Some college or AA

1.003 (1.000, 1.006) 0.0257

1.069 (1.002, 1.140) 0.0423

College graduate or above

1.003 (0.999, 1.007) 0.1168

1.058 (0.979, 1.143) 0.1558