Table 2. Associations between daily stressful life events and NA, and between pleasant life events and PA.

	Sample I	Sample II	Sample III	Sample IV	Sample V
Stressful event and NA	a0.1487	0.1660	0.1535	0.1667	0.2801
	b(0.1292, 0.1682)	(0.1525, 0.1796)	(0.1304, 0.1765)	(0.1390, 0.1943)	(0.2543, 0.3059)
	P = 0.000	P = 0.000	P = 0.000	P = 0.000	P = 0.000
Pleasant event and PA	0.1713	0.1682	0.1503	0.1864	0.3430
	(0.1456, 0.1969)	(0.1516, 0.1849)	(0.1202, 0.1805)	(0.1553, 0.2176)	(0.3100, 0.3760)
	P = 0.000	P = 0.000	P = 0.000	P = 0.000	P = 0.000

Sample I = Healthy control; Sample II = Twins from the general population; Sample III = Unaffected siblings of psychotic patients; Sample IV = Patients with psychotic disorder; Sample V = Patients with a history of a major depressive disorder currently displaying residual depressive symptoms.

^aRegression coefficient,

^b95% confidence interval.