Infection with Trichomonas vaginalis increases the risk of psychiatric disorders in women: a nationwide population-based cohort study

Table 4 Risk of psychiatric disorders in the trichomoniasis subjects stratified by variables using Cox regression

Stratified	With vs without trichomoniasis
Stratified	Adjusted HR	95% CI	P-value
Total	1.644	1.514–1.766	<0.001
Age group (years)
18–44	1.155	1.017–1.312	0.027
45–64	2.637	2.325–2.991	<0.001
≥ 65	0.923	0.696–1.224	0.577
Insured premium (NT$)
< 18,000	1.669	1.536–1.813	<0.001
18,000–34,999	0.000	–	0.937
≥ 35,000	0.000	–	0.986
Season
Spring	1.551	1.307–1.841	<0.001
Summer	2.309	2.010–2.651	<0.001
Autumn	1.110	0.906–1.360	0.314
Winter	1.428	1.195–1.706	<0.001
Urbanization level
1 (the highest)	1.803	1.596–2.037	<0.001
2	1.428	1.209–1.688	<0.001
3	1.291	1.074–1.552	0.007
4 (the lowest)	3.814	2.752–5.285	<0.001
Level of care
Hospital center	1.479	1.315–1.664	<0.001
Regional hospital	1.594	1.354–1.877	<0.001
Local hospital	2.011	1.693–2.389	<0.001

Abbreviations: Adjusted HR, adjusted hazard ratio (adjusted for the variables listed in Table 1); CI, confidence interval; NT$, New Taiwan Dollars

ISSN: 1756-3305