Table 7.

Subgroup analysis of the association between sleep duration and WHtR.

Subgroup	OR (95%CI)	P for interaction
Gender		0.5963
Male	−0.29 (−0.44, −0.14) p = 0.0001
Female	−0.24 (−0.37, −0.10) p = 0.0007
Race		0.0107
Mexican American	−0.01 (−0.43, 0.42) p = 0.9711
Other Hispanic	0.13 (−0.34, 0.59) p = 0.5926
Non-Hispanic White	−0.37 (−0.49, −0.25) p < 0.0001
Non-Hispanic Black	−0.15 (−0.42, 0.12) p = 0.2806
Other Race	0.21 (−0.20, 0.63) p = 0.3128
Diabetes status		0.9086
Yes	−0.21 (−0.45, 0.03) p = 0.0822
No	−0.27 (−0.39, −0.16) p < 0.0001
Borderline	−0.25 (−0.83, 0.34) p = 0.4068
Hypertension status		0.0498
Yes	−0.13 (−0.27, 0.01) p = 0.0650
No	−0.33 (−0.48, −0.19) p < 0.0001

WHtR, waist-to-height ratio.