Table 4.

HRQL scores in hypertensive patients (n = 882)

Variable	Frequency	Mean of PCS	SD of PCS	P value	Mean of MCS	SD of MCS	P value
Gender
Male	387	34.85	20.32	0.146	50.15	23.43	0.157
Female	495	32.80	19.55		47.83	21.97
Age
35–46	51	36.20	18.15	0.530	54.78	22.98	0.050*
47–59	182	33.02	19.84		45.80	22.24
60–72	401	33.84	20.37		49.14	22.59
≥ 73	248	33.46	19.62		49.40	22.96
Education
Illiterate	303	29.94	18.03	0.000*	46.58	21.12	0.001*
Primary	415	33.93	20.21		48.30	23.82
Secondary	137	39.66	20.98		52.63	21.66
High school	10	39.92	16.63		60.42	17.35
University	17	43.46	22.85		65.56	19.14
Family yearly income (RMB)
< 5000	183	31.45	19.28	0.575	46.38	22.80	0.501
5000–10000	132	35.71	21.83		49.24	24.58
10000–20000	230	33.86	18.88		49.47	21.88
20000–30000	153	34.40	20.42		50.08	22.87
≥ 30000	184	33.71	19.92		49.23	21.83
Family yearly medical cost (RMB)
< 600	177	32.60	20.19	0.684	46.93	24.22	0.738
600–1500	221	34.56	19.35		49.67	21.65
1500–3000	179	33.24	20.04		48.68	22.92
3000–1000	217	33.93	21.09		48.86	22.59
≥ 10000	88	34.13	17.66		50.97	21.52
Self-management efficacy score
≤ 15	55	37.93	23.06	0.029*	49.28	22.17	0.084
16–30	215	36.30	20.47		52.06	22.79
31–45	358	31.61	18.63		47.69	23.03
46–60	254	33.53	20.17		47.67	21.91
Health literacy score
≤ 3	31	35.51	25.36	0.131	51.28	24.03	0.001*
4–7	159	31.82	20.86		43.62	23.42
8–11	196	31.97	18.76		45.99	21.75
12–15	496	34.87	19.63		51.50	22.29

Physical Component Summary (PCS): The mean of physical function (PF); role limitations due to physical problems (RP); bodily pain (BP); general health (GH)

Menal Component Summary (MCS): The mean of vitality (VT); social function (SF); role limitations due to emotional problems (RE); mental health (MH)

*P < 0.05