Table 3.

Incidence (per 1000 PYs) and depression risk for insomnia patients with and without CHMs in the stratification of sex and age.

Variables	Non-CHMs users			CHMs users			Crude HR (95% CI)	Adjusted HR (95% CI)
	Case	PYs	Incidence	Case	PYs	Incidence
Female
≤50	2,949	52986.41	55.66	1,158	64092.24	18.07	0.32 (0.30–0.35)	0.32 (0.31–0.35)*
>50	2,026	60012.79	33.76	1,106	59922.36	18.46	0.55 (0.49–0.57)	0.53 (0.50–0.57)*
All	4,975	112999.2	44.03	2,264	124014.6	18.26	0.41 (0.42–0.46)	0.41 (0.38–0.43)Ω
Male
≤50	1,296	39882.51	32.50	590	39102.37	15.09	0.46 (0.41–0.50)	0.45 (0.41–0.50)*
>50	717	31207.56	22.98	474	29920.76	15.84	0.69 (0.59–0.75)	0.66 (0.59–0.74)*
All	2,013	71090.07	28.32	1,064	69023.13	15.42	0.54 (0.49–0.57)	0.53 (0.49–0.57)Ω

^*Model adjusted for urbanization level, monthly income, medication usage and CCI score.

^ΩModel adjusted for age, urbanization level, monthly income, medication usage and CCI score.