Table 1

Summary of results of segmented regression by population group and model/test

Population groupModel/testBreakpointLower 95% CIUpper 95% CIP valueAdditional breakpointLower 95% CIUpper 95% CIAICBIC
Male all ageDavies test2013.7<0.00001
Male all ageSegmented: one break2013.82012.92014.611511164
Male all ageSegmented: two breaks2012.82012.02013.61993.81992.81994.911401097
Female all ageDavies test2014.4<0.00001
Female all ageSegmented: one break2014.32013.32015.510831159
Female all ageSegmented: two breaks2014.42013.42015.41993.91992.21995.510631082
Male <75 yearsDavies test2013.5<0.00001
Male <75 yearsSegmented: one breaks2013.52012.82014.1874888
Male <75 yearsSegmented: two break2013.02012.52013.51994.11993.31995.0835735
Female <75 yearsDavies test2012.5<0.00001
Female <75 yearsSegmented: one break2012.52011.92013.2722854
Female <75 yearsSegmented: two breaks2014.42013.72015.12005.92003.02008.7709728
Male 75+ yearsDavies test2014.2<0.0001
Male 75+ yearsSegmented: one break2014.12013.02015.215781592
Male 75+ yearsSegmented: two breaks2012.72011.52013.91993.61992.31994.915611580
Female 75+ yearsDavies test2014.40.0087
Female 75+ yearsSegmented: one break2014.62012.52016.615361549
Female 75+ yearsSegmented: two breaks2011.72010.22013.32004.32002.02006.715201539