Table 1 The definition and descriptive statistics of variables.

From: Impacts of internet access and use on grain productivity: evidence from Central China

The variable name

Measurement or unit

Mean

SD

Grain output

Total value of grain production (yuan/mua)

1056. 635

426.121

Labor

Number of family labors (hours/mu)

30.328

44.423

Fertilizer

Expenditures on fertilizers (yuan/mu)

101.148

166.329

Seeds

Expenditures on seedlings (yuan/mu)

93.731

86.615

Pesticide

Expenditures on pesticides (yuan/mu)

69.142

84.142

Other inputs

Expenditures on pesticides (yuan/mu)

152.164

122.939

Internet access

1 if the farmer has access to the Internet, 0 otherwise

0.685

0.464

Internet use

1 if the farmer uses the Internet to obtain farming-related information, 0 otherwise

0.274

0.446

Preference for ICT products

1 if the farmer owned a smartphone or computer in 2013 or before, 0 otherwise

0.249

0.433

Years of using the Internet

Years of access to the Internet (years)

2.975

3.443

Age

Age of household head (years)

56.350

9.561

Health

On a scale of 5, 1 = unhealthy and 5 = very healthy

3.724

1.092

Village cadre

If the household head is a village cadre, 0 otherwise

0.271

0.445

Education

0 = elementary school and below;

1 = a junior high school;

2 = high school or technical secondary school;

3 = College degree or above

0.719

0.725

Household size

Number of members residing in a household(persons)

4.415

2.010

Number of land parcels

The number of land parcels reflects the degree of fragmentation of cultivated land

6.273

6.700

The proportion of grain crops

The proportion of rice, maize, and wheat acreage to total acreage

0.841

0.238

Bus access

1 if there is a bus to the county in the village, 0 otherwise

0. 458

0. 499

Irrigation

1 if there is a shortage of irrigation water in the village, 0 otherwise

0.401

0.490

Henan Province

1 if the farmer is located in Henan province, 0 otherwise

0.296

0.457

Hubei Province

1 if the farmer is located in Hubei province, 0 otherwise

0.365

0.482

Hunan Province

1 if the farmer is located in Hunan province, 0 otherwise

0.339

0.474

  1. a1 hectare = 15 mu.