Table 4. Multi-factor analysis of factors influencing the quality of life of rural middle-aged and elderly people in Xuan'en County.

Variable		PCS		MCS
		Coeff.	p-value	Coeff.	p-value
Education level (Elementary school or below as reference)
	Middle school	3.056	0.011	1.106	0.416
	High school and above	-1.698	0.418	2.671	0.262
Years of hypertension (≥7 as reference)
	≤3	1.058	0.258	1.519	0.152
	4~6	-0.331	0.750	1.044	0.374
Number of comorbid diseases (0 as reference)
	1	-1.376	0.267	-2.340	0.096
	≥2	-1.310	0.582	-1.011	0.707
Family monthly income (<3,000RMB as reference)
	3,000–5,000	-1.147	0.448	3.288	0.046
	>5,000	1.889	0.344	2.824	0.212
Sleep quality (Sleep badly as reference)
	Sleep general	3.276	0.001	4.156	0.000
	Sleep well	6.343	0.000	5.325	0.000
Regular tea-drinking (No as reference)		1.282	0.120	1.965	0.036
Moderate physical activity per week (None as reference)
	1–4	-1.238	0.382	0.007	0.996
	>4	2.003	0.044	3.107	0.006

PCS: Physical component summary; MCS: Mental component summary.