Table 2 Long- and medium-term regression results—full sample analysis (Dependent variable: working hours per week)

Variables

Pollution index in 1997

−0.8005*

−0.6974

−1.5458***

−1.5124***

(0.4555)

(0.4573)

(0.3754)

(0.3764)

Age (in years)

−0.1067

−0.1094

−0.0062

−0.0034

(0.2089)

(0.2082)

(0.1559)

(0.1558)

Age squared

−0.0018

−0.0017

−0.0023

−0.0023

(0.0019)

(0.0019)

(0.0015)

(0.0015)

Tenure (in years)

0.0469

0.0494

−0.0204

−0.0206

(0.0620)

(0.0617)

(0.0575)

(0.0575)

Tenure squared

−0.0014

−0.0015

−0.0005

−0.0005

(0.0013)

(0.0013)

(0.0011)

(0.0011)

Years of education

−0.2014***

−0.1976***

−0.2557***

−0.2573***

(0.0633)

(0.0634)

(0.0611)

(0.0611)

Having outside kitchen

−0.44

−0.4289

0.2304

0.2179

(0.5728)

(0.5726)

(0.5379)

(0.5381)

Having outside water

−1.6479**

−1.6645**

−2.0066***

−2.0169***

(0.7128)

(0.715)

(0.6458)

(0.6462)

Living in urban location

5.255***

5.2541***

4.659***

4.6696***

(0.6202)

(0.6191)

(0.5919)

(0.5920)

Male

3.2554***

3.1719***

2.2675***

2.2574***

(0.5984)

(0.5983)

(0.5549)

(0.5558)

Household size

0.0056

−0.0017

0.0217

0.0222

(0.1560)

(0.1601)

(0.1461)

(0.1461)

Working hours in 1993

0.1824***

0.1827***

0.2803***

0.2807***

(0.0171)

(0.0170)

(0.0163)

(0.0163)

Poor GHS

–

−1.8515**

–

−0.8275

–

(0.7557)

–

(0.7613)

Constant

42.186***

42.3029***

36.9941***

36.9526***

(5.7115)

(5.6931)

(3.9785)

(3.9774)

Sample size

5209

5206

6526

6524