Table 2. Factors considered in analysis of hypertension control.

Factor	Source	Values
Hukou (Registered residence)	Questiona 1	Hukou registration: urban, rural
Gender	Question 2	Male, female
Age	Questions 3,4	Continuous variable from 15 years old.
Education	Question 5	Education level: No education, primary school, junior high school, senior high school, technical school, middle technical school, senior technical school, university or higher
Insurance	Question 6	Health insurance coverage: urban employees’ health scheme, urban residents’ health scheme, new cooperative medical scheme, rural and urban residents’ health insurance, other health insurance
Wellbeing	Question 7	Self-assessed on a scale 0–100.
Smoking	Questions 8,9	None or quit, 1–10, 11–20, 21–30, and 30+ cigarettes per day
Drinking	Question 10	Yes or no
Exercise	Question 11	Once, 1–2, 3–5, and 6 times or over a week
Management	Question 14	Hypertension managed, not managed
Compliance (medication)	Question 15	Compliance with medication: complete compliance, partial compliance, non-compliance
Control	Question 16	Controlled, uncontrolled hypertension
Income	S2 Table in S1 File b	Household annual disposable income: low, lower-middle, middle, upper-middle, upper, extreme upper
Region	S1 Table in S1 File b	Districts and counties grouped into east, central and west regions
District	S1 Table in S1 File	17 urban districts, 17 rural counties
Information Management Systems (IMS)	S5 and S6Tables in S1 File	IMS implementation: districts/counties without IMPS, partial IMS implementation, full IMS implementation,

^a BPHS questionnaire.

^b Supplementary Information to this manuscript.