Hunan

0.4738*

1.74

−0.3673**

−2.14

Guangxi

0.2210

0.80

−0.2488*

−1.76

Guizhou

0.1750

0.64

−0.2778*

−1.86

Household income

2.08E−06

0.99

−3.47E−10

0.00

Life-style factors

Smoking

0.1542

1.26

−0.1676**

−2.05

Drinking

no drinking

0.0595

0.21

0.2694

0.40

everyday

−0.1102

−0.34

0.2169

0.32

3-4 times weekly

0.2763

0.81

0.2757

0.40

1-2 times weekly

−0.3519

−0.92

0.2448

0.36

Less 2 times monthly

−0.3212

−0.82

0.3995

0.58

Health exercise

0.3400

1.52

0.1660

1.23

Drink water inside the home

0.1209

1.02

−0.1469**

−1.99

Toilet inside the home

−0.3483**

−2.49

0.0433

0.54

waste nearby the home

−0.0269

−0.23

0.0621

0.83

constant

−2.0081**

−2.50

−2.1617**

−2.39

Numbers of obs.

5271

5525

Log likelihood

−308.5044

−870.7965

LR chi2 (42)

57.17

264.11

Prob > chi2

0.0303

0

Pseudo R2

0.0848

0.1317