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Table 1 Variable definition and descriptive statistics

From: Impacts of farmer cooperative membership on household income and inequality: Evidence from a household survey in China

Variables

Definition

Mean

SD

Min

Max

lnY

Logarithm of household disposable income

10.3213

0.7574

6.3969

13.2177

D

Whether or not joined at least one cooperative, 1 = yes, 0 = no

0.0519

0.2219

0

1

lnL

Logarithm of the total number of hours engaged in farming activities during farming seasons

5.9345

1.0755

2.0794

8.284

lnG

Logarithm of cultivated land in 2013 (in the unit of Mu)

1.5442

0.9252

− 2.3026

5.0752

lnSize

Logarithm of the household size

1.2924

0.4061

0

2.3026

lnAge

Logarithm of the age

3.9355

0.218

2.5649

4.4659

lnEdu

Logarithm of the years of formal education

1.8614

0.4081

0

2.8332

Gender

1 = male, 0 = female

0.8391

0.3676

0

1

Carder

1 = village cadre, 0 = not village cadre

0.0545

0.2271

0

1

Health

Self-reported health status (1 = very healthy, 2 = healthy, ……, 5 = not healthy)

2.2720

0.8984

1

5

Outwork

Whether or not migrated out for work or business in 2013, 1 = yes, 0 = no

0.0900

0.2862

0

1

Sala

Whether or not engaged in local wage-earning work in 2013, 1 = yes, 0 = no

0.2982

0.4576

0

1

Nonagr

Whether or not engaged in local non-agricultural production or business in 2013, 1 = yes, 0 = no

0.0925

0.2899

0

1