Table 6 Adjusted odd ratios (ORs) and 95% confidence intervals (CIs) of insulin resistance associated with total sleep duration in different subgroups

Primary snoring

Reference

Reference

Reference

Reference

Reference

Reference

> 8 h

0.683 (0.491–0.949) ^*

1.087 (0.543–2.177)

0.760 (0.558–1.036)

0.975 (0.336–2.858)

0.743 (0.521–1.061)

0.644 (0.352–1.179)

7-8 h

0.875 (0.677–1.132)

1.549 (0.936–2.566)

0.936 (0.740–1.184)

1.951 (0.793–4.795)

0.957 (0.739–1.240)

0.825 (0.484–1.408)

6-7 h

0.842 (0.651–1.089)

1.439 (0.872–2.377)

0.899 (0.711–1.137)

1.855 (0.753–4.571)

0.916 (0.707–1.186)

0.787 (0.461–1.345)

5-6 h

1.100 (0.826–1.465)

1.454 (0.817–2.589)

1.145 (0.877–1.493)

2.004 (0.781–5.140)

1.141 (0.855–1.524)

1.024 (0.566–1.852)

≤5 h

1.235 (0.897–1.699)

1.752 (0.933–3.288)

1.351 (1.000–1.826)^*

1.985 (0.753–5.231)

1.223 (0.886–1.689)

1.440 (0.742–2.798)

P for linear trend

0.0018^*

0.4108

0.0096^*

0.8965

0.0495^*

0.0187^*