Table 2 Socio-economic factor analysis results US/MEX
| Factor 1 | |
|---|---|
| Primary income of private households (USD per head) | 0.91 |
| Share of labour force with at least secondary education | 0.95 |
| Life expectancy at birth | 0.78 |
| Number of rooms per person | 0.97 |
| Factor 1 | |
|---|---|
| Primary income of private households (USD per head) | 0.91 |
| Share of labour force with at least secondary education | 0.95 |
| Life expectancy at birth | 0.78 |
| Number of rooms per person | 0.97 |
International Journal of Health Geographics