Table 2 Association between adiposity indicators and obstructive sleep apnea

NC, cm

 Q1 (≤ 32.10)

2341

155

1.00

1.00

1.00

 Q2 (> 32.10 ~  ≤ 34.20)

2197

309

2.12 (1.74, 2.60)

2.09 (1.71, 2.56)

1.40 (1.14, 1.73)

 Q3 (> 34.20 ~  ≤ 36.60)

1929

396

3.10 (2.56, 3.78)

3.12 (2.55, 3.83)

1.61 (1.30, 2.01)

 Q4 (> 36.60)

1640

766

7.05 (5.89, 8.50)

7.49 (6.06, 9.30)

2.29 (1.78, 2.97)

 P for trend

 < 0.001

0.553

 < 0.001

 Every 1-unit increment

1.25 (1.23, 1.27)

1.29 (1.26, 1.32)

1.13 (1.10, 1.16)

BF%, %

 Q1 (≤ 26.10)

2073

381

1.00

1.00

1.00

 Q2 (> 26.10 ~  ≤ 31.00)

2041

390

1.04 (0.89, 1.21)

2.00 (1.69, 2.36)

1.26 (1.06, 1.50)

 Q3 (> 31.00 ~  ≤ 35.10)

2125

340

0.87 (0.74, 1.02)

4.13 (3.31, 5.17)

1.97 (1.55, 2.51)

 Q4 (> 35.10)

1868

515

1.50 (1.30, 1.74)

8.56 (6.74, 10.91)

2.65 (2.01, 3.48)

 P for trend

 < 0.001

 < 0.001

0.029

 Every 1-unit increment

1.03 (1.02, 1.04)

1.17 (1.15, 1.18)

1.09 (1.07, 1.10)

WHR

 Q1 (≤ 0.83)

2303

132

1.00

1.00

1.00

 Q2 (> 0.83 ~  ≤ 0.88)

2101

331

2.75 (2.23, 3.40)

2.39 (1.94, 2.97)

1.68 (1.35, 2.09)

 Q3 (> 0.88 ~  ≤ 0.93)

1952

482

4.31 (3.53, 5.29)

3.45 (2.81, 4.25)

1.93 (1.56, 2.41)

 Q4 (> 0.93)

1751

681

6.79 (5.59, 8.29)

5.02 (4.10, 6.19)

2.15 (1.73, 2.71)

 P for trend

 < 0.001

 < 0.001

 < 0.001

 Every 0.01-unit increment

1.08 (1.07, 1.09)

1.07 (1.06, 1.08)

1.03 (1.02, 1.04)

VAI

 Q1 (≤ 5.00)

2662

128

1.00

1.00

1.00

 Q2 (> 5.00 ~  ≤ 8.00)

2430

317

2.71 (2.20, 3.37)

2.58 (2.09, 3.20)

1.91 (1.54, 2.40)

 Q3 (> 8.00 ~  ≤ 11.00)

1660

381

4.77 (3.88, 5.90)

4.32 (3.49, 5.38)

2.54 (2.00, 3.24)

 Q4 (> 11.00)

1355

800

12.28 (10.11, 15.02)

10.91 (8.85, 13.54)

4.58 (3.49, 6.02)

 P for trend

 < 0.001

0.302

 < 0.001

 Every 1-unit increment

1.21 (1.20, 1.23)

1.20 (1.19, 1.22)

1.14 (1.12, 1.16)

LAP

 Q1 (≤ 18.02)

2275

160

1.00

1.00

1.00

 Q2 (> 18.02 ~  ≤ 31.12)

2099

333

2.26 (1.85, 2.75)

2.18 (1.79, 2.67)

1.43 (1.16, 1.76)

 Q3 (> 31.12 ~  ≤ 51.60)

1967

466

3.37 (2.79, 4.08)

3.32 (2.74, 4.04)

1.79 (1.46, 2.21)

 Q4 (> 51.60)

1766

667

5.37 (4.48, 6.47)

5.38 (4.47, 6.51)

2.24 (1.81, 2.77)

 P for trend

 < 0.001

 < 0.001

 < 0.001

 Every 10-unit increment

1.07 (1.06, 1.09)

1.07 (1.06, 1.09)

1.02 (1.01, 1.03)

RMR, Kcal/day

 Q1 (≤ 1163.00)

2282

154

1.00

1.00

1.00

 Q2 (> 1163.00 ~  ≤ 1285.00)

2163

282

1.93 (1.58, 2.38)

2.05 (1.67, 2.52)

1.82 (1.47, 2.24)

 Q3 (> 1285.00 ~  ≤ 1467.00)

1969

451

3.39 (2.81, 4.13)

4.16 (3.40, 5.10)

3.31 (2.69, 4.09)

 Q4 (> 1467.00)

1693

739

6.47 (5.39, 7.80)

11.19 (8.81, 14.28)

7.43 (5.75, 9.64)

 P for trend

 < 0.001

 < 0.001

0.044

 Every 10-unit increment

1.03 (1.02, 1.04)

1.04 (1.03, 1.05)

1.04 (1.03, 1.05)