The impact of petrochemical industrialisation on life expectancy and per capita income in Taiwan: an 11-year longitudinal study

Table 4 Comparisons of per capita income between the reference county (Yilan County) and the industrialized county (Yunlin County) from 1987 to 2007)

Period	Per capita income
	Yilan	Yulan	Difference mean	SD	p-value
Pre-industrialisation	189,408	179,850	9,558	13,614	0.44
Short-term industrialisation	219,520	219,743	−222	11,229	0.98
Intermittent industrialisation	205,701	200,526	5,175	4,379	0.22
Long-term industrialisation	231,497	219,722	11,775	8,579	0.17

Note. Pre-industrialisation (1996–1998); Short-term industrialisation (1999–2001); Intermittent industrialisation (2002–2004); Long-term industrialisation (2005–2007).

ISSN: 1471-2458