Table 4.

Stratification analysis of risk of sleep disorder among different groups.

	Dry eye		Non-Dry eye
	N	No. of event	N	No. of event	HR (95% C.I.)
Age
20–49	204,626	22,275	204,626	25,068	1.02 (1.002–1.04)
50–59	139,149	20,437	139,149	22,370	1.02 (1.003–1.04)
60–69	183,123	27,343	183,123	28,260	1.03 (1.01–1.04)
≥ 70	166,216	21,005	166,216	21,487	0.98 (0.96–1.00)
Sex
Female	354,024	44,433	354,024	47,214	1.03 (1.01–1.04)
Male	224,134	30,406	224,134	33,724	0.99 (0.98–1.01)
Ethnicity
Not Hispanic or Latino	465,854	66,311	465,854	71,279	1.01 (1.002–1.02)
Hispanic or Latino	57,015	7030	57,015	7098	0.97 (0.94–1.01)
Race
White	405,646	56,769	405,646	61,684	1.02 (1.01–1.04)
Black or African American	105,759	15,410	105,759	15,911	0.99 (0.97–1.01)
Asian	44,490	4272	44,490	4611	1.03 (0.99–1.07)
American Indian or Alaska Native	2697	379	2697	379	1.01 (0.88–1.16)
Native Hawaiian or Other Pacific Islander	6577	1525	6577	1210	1.23 (1.14–1.33)
Hypertensive diseases	130,935	25,953	130,935	23,993	1.10 (1.08–1.12)
Hyperlipidemia	112,579	21,496	112,579	20,324	1.11 (1.09–1.13)
Diabetes mellitus	62,916	12,115	62,916	11,729	1.05 (1.03–1.08)
Overweight and obesity	30,832	7100	30,832	6549	1.06 (1.02–1.10)
Ischemic heart diseases	24,890	5315	24,890	4622	1.14 (1.09–1.18)
Heart failure	8664	1974	8664	1652	1.12 (1.05–1.20)
Tobacco use	4099	820	4099	720	1.17 (1.05–1.29)
Alcohol related disorders	3480	681	3480	587	1.16 (1.04–1.30)
Rheumatoid arthritis	11,609	2227	11,609	2130	1.03 (0.97–1.09)
Chronic obstructive pulmonary disease	9195	2235	9195	2017	1.09 (1.02–1.15)
Chronic fatigue, unspecified	1904	430	1904	413	1.10 (0.96–1.26)
Chronic pain, not elsewhere classified	24,483	4898	24,483	4727	1.03 (0.99–1.08)
Hypnotics and sedatives	48,799	9213	48,799	8993	0.99 (0.96–1.01)
Benzodiazepine derivatives	22,860	4632	22,860	4665	1.02 (0.98–1.06)
Anticholinergics	11,000	2490	11,000	2262	1.06 (1.003–1.12)