Association between sleep quality and central obesity among southern Chinese reproductive-aged women

BMC Women's Health

Table 3 Associations between PSQI components and central obesity among females (N = 2449)

PSQI components^a	Crude OR^b	95% CI	P value
Global PSQI score (≤ 7)	1	Reference
> 7	2.76	1.49–5.14	0.001^†
Subjective sleep quality	0.86	0.77–0.96	0.005^†
Sleep latency	0.96	0.88–1.06	0.46
Sleep duration	1.60	0.97–1.16	0.21
Habitual sleep efficiency	0.95	0.86–1.05	0.27
Sleep disturbance	1.17	1.06–1.29	0.001^†
Use of sleep medication	1.05	0.97–1.14	0.21
Daytime dysfunction	0.96	0.86–1.06	0.40

CI confidence interval
^†P < 0.05
^aThe seven sleep quality domains and global PSQI score (as a dichotomous variable) were included as predictor variables for central obesity in a regression model without adjustment for variables in Clusters 1 and 2
^bOdds ratio per standard deviation increase in a predictor variable

ISSN: 1472-6874