Table 4.

Predictors of OSA in women with PCOS (n = 76 978).

Covariates	Hazard ratio	95% confidence interval	P value
Age	1.06	(1.04–1.07)	<0.001
Townsend
1	1.00	(Reference level)
2	1.26	(0.83–1.89)	0.27
3	1.41	(0.95–2.08)	0.08
4	1.58	(1.07–2.33)	0.02
5	1.67	(1.10–2.53)	0.02
Missing	1.23	(0.77–1.97)	0.38
BMI category
<25 kg/m2	1.00	(Reference level)
25–29.99 kg/m2	3.01	(1.60–5.69)	0.001
≥30 kg/m2	12.50	(7.24–21.58)	<0.001
Missing	3.64	(1.91–6.95)	<0.001
Diabetes or IGR*	0.72	(0.44–1.18)	0.19
Hypothyroidism	1.76	(1.20–2.58)	0.004
Anovulation	1.33	(1.05–1.69)	0.02
Androgen excess features
Hirsutism	1.37	(1.05–1.80)	0.02
Acne	0.85	(0.61–1.19)	0.35
Alopecia	0.97	(0.64–1.46)	0.89
Metformin	1.69	(1.28–2.22)	<0.001
Antiandrogen drug	0.77	(0.57–1.05)	0.10

*Impaired glucose response (includes impaired fasting glucose and impaired glucose tolerance). Values in boldface indicate statistical significance.