Dimension

Index

Content and interpretation

Cutoff

Income

Per capita income of household X1

Per capita annual income of the household in 2014 (yuan)

≤2300

Education

Average educational attainment X2

The average length of education for adults in the family, no schooling = 0, primary school/private school = 6, middle school = 9, general high school/vocational high school/technical school/technical secondary school = 12, junior college = 15, university undergraduate = 16, master’s = 19, doctor’s = 23

≤6

Expenditure for education X3

The proportion of educational expenditure to total household consumption

≥60%

Accessibility of Public Education X4

Minimum time required to get home to the nearest school (minutes)

≥30

health

Healthy conditions X5

Lowest health status of family members, very healthy = 5, healthy = 4, general = 3, relatively unhealthy = 2, very unhealthy = 5

≤2

Sanitation facilities X6

Type of house toilet indoor = 3, outdoor flush toilet = 2, outdoor non-flush public toilet/outdoor non-flush toilet = 1

≤2

Expenditure for health X7

Health expenditure as a percentage of total household consumption

≥60%

Accessibility of healthcare X8

Minimum time from home to the nearest medical center (minutes)

≥30

living

Cooking water X9

Types of cooking water in household: pond water/river water = 1, rainwater = 2, spring water = 3, cellar water = 4, deep well water = 5, tap water = 6, mineral water/pure water = 7

≤3

Cooking fuel X10

Types of cooking fuel in household, firewood = 1, coal = 2, gas (liquefied gas) = 3, electricity = 4, natural gas = 5, biogas/solar energy = 6

≤2

Electricity X11

Situations of electricity in household, no electricity = 1, frequent power outages = 2, occasional power outages = 3, almost no power outages = 4

≤2

Engel’s coefficient X12

Food expenditure as a percentage of total household consumption

≥60%

assets

Means of production X13

The number of production assets such as family cars, motorcycles, and tractors

≤3

Assisted living assets X14

Assets of such durable consumer goods as color TV, air conditioner, refrigerator, washing machine, piano, VCD/DVD, VCR/camera, desktop/laptop/pad, etc

≤3

Cultivated land quantity X15

Area of farmland owned by the family (mu)

≤1.8

All types of current housing X16

House ownership, wholly-owned, parent/child provided = 1, The government provides free/company provides free/ other relatives, and friends borrow = 0

≤3

housing

Per capita housing area X17

Per capita housing area (m2)

≤12

Congestion X18

A crowding scale of 1 to 10 indicates a range from very poor to very good

≤5

Healthy conditions X19

On a scale of 1 to 10, the sanitary condition of the house ranges from very poor to very good

≤5

Lighting conditions X20

On a scale of 1 to 10, a house’s lighting condition ranges from very poor to very good

≤5

Ventilate conditions X21

The ventilation of the house ranges from very poor to very good on a scale of 1 to 10

≤5

Air condition X22

A house with a clean air condition of 1 to 10 indicates a range from very bad to very good

≤5

Noisy conditions X23

House noise conditions range from very poor to very good on a scale of 1 to 10

≤5