Table 5 Final regression models Mexico: EDF value is reported as the coefficient, and DF is included in parentheses (not standard errors because a chi-square test is used for the smooth terms)

Intercept

2.57*** (0.20)

2.89*** (0.21)

2.71*** (0.23)

2.20*** (0.24)

2.46*** (0.19)

2.44*** (0.18)

Per capita GDP

0.00* (0.00)

Socio-economic index

1.96*** (1.99)

Income of private households

1.95*** (2.00)

1.83** (1.96)

Share households with broadband

1.88*** (1.98)

1.93*** (1.99)

1.93*** (1.99)

1.92*** (1.99)

(1.99)

Active physicians (1000 pop)

1.00*** (1.00)

1.81*** (1.95)

1.75*** (1.92)

1.81*** (1.95)

Number of rooms pp

1.95*** (1.99)

1.00 (1.00)

1.00 (1.00)

Labour force with secondary edu

1.97*** (2.00)

1.95*** (1.99)

1.95*** (1.99)

Quality of Life index

1.00 (1.00)

1.00 (1.00)

1.00 (1.00)

1.00 (1.00)

Inter-regional migration rate

1.00*** (1.00)

1.00 (1.00)

1.00 (1.00)

1.00* (1.00)

Pop density growth

1.51 (1.74)

1.00* (1.00)

1.00 (1.00)

1.00* (1.00)

Mean temp (°C) of coldest quarter

1.83*** (1.96)

1.89*** (1.98)

1.94*** (1.99)

1.89*** (1.98)

Precip of warmest quarter (in)

1.53 (1.76)

1.71* (1.90)

1.68 (1.88)

1.71* (1.90)

Year

6.72*** (8.00)

6.90*** (8.00)

7.27*** (8.00)

6.45*** (8.00)

6.53*** (8.00)

6.44*** (8.00)

Region

13.18***(13.89)

13.17***(13.90)

12.07***(13.57)

12.19***(13.52)

12.32*** (13.59)

12.13*** (13.47)

AIC

2251.33

2340.28

2270.07

2207.77

2212.08

2204.83

Deviance

978.13

1242.10

1071.46

871.99

886.18

859.68

Deviance explained

0.61

0.47

0.57

0.66

0.66

0.67

Dispersion

3.00

3.57

3.17

2.76

2.78

2.73

\(\text{R}^2\)

0.47

0.38

0.40

0.52

0.51

0.51

Num. obs.

288

288

288

288

288

288

Num. smooth terms

8

4

4

11

10

12