Table 1

Annual changes in U5MR of China from 1996 to 2020

Index	Time period	APC (%)	95% CI	P value	AAPC	95% CI	P value
National U5MR	1996–2002	−4.23*	(−5.97∼−2.45)	<0.001	−7.27*	(−8.52∼−6.02)	<0.001
	2002–2005	−13.78*	(−22.66∼−3.88)	0.010
	2005–2020	−7.12*	(−7.54∼−6.69)	<0.001
Urban U5MR	1996–2003	−1.64	(−3.82∼0.59)	0.138	−5.57*	(−7.52∼−3.59)	<0.001
	2003–2006	−13.80	(−27.10∼1.93)	0.079
	2006–2020	−5.66*	(−5.66∼−6.39)	<0.001
Rural U5MR	1996–2000	−2.03	(−5.21∼−1.26)	0.204	−7.07*	(−8.39∼−5.73)	<0.001
	2000–2006	−10.91*	(−12.97∼−8.81)	<0.001
	2006–2009	−2.79	(−12.43∼7.92)	0.571
	2009–2020	−7.85*	(−8.50∼−7.20)	<0.001

*Indicates that the index is significantly different from zero at the a=0.05 level.
AAPC, average annual percentage rate change; APC, annual percentage rate change; U5MR, under-five mortality rate.