Table 2.

Generalized linear models for changes in Calgary Depression Scale over time between and within groups

CDSS assessment	No Depression NO-DEP	Depression at each assessment CON-DEP	1-2 episodes of depression INT-DEP	Depression only at 24 months 24-DEP
	M (SE)	M (SE)	M (SE)	M (SE)
Baseline	4.31 (0.47)	8.30 (0.59)a***	7.28 (0.49)a**	3.00 (1.42)
6-months	2.69 (0.39)	5.69 (0.49)b***,h**	4.05 (0.41)h***	4.24 (1.22)
12-months	2.46 (0.37)	5.39 (0.47)c***,h**	3.47 (0.38)h***	1.55 (1.08)
18-months	2.23 (0.40)h*	5.97 (0.51)d***,h*	3.30 (0.41)f**,h***	2.57 (1.14)
24-months	2.18 (0.36)h**	6.47 (0.45)e***	2.33 (0.38)g***,i*	5.36 (1.10)

M* represents the least squares means estimated by the Generalized linear models

SE represents the standard error of the mean

^asignificantly different from no depression group at baseline

^bsignificantly different from no depression group at 6-months

^csignificantly different from no depression group at 12-months

^dsignificantly different from no depression group at 18-months

^esignificantly different from no depression group at 24-months

^fsignificantly different from depression group at 18-months

^gsignificantly different from depression group at 24-months

^hsignificantly different within group change from baseline

ⁱsignificantly different within group change from 6-months

^*p<0.05

^**p<0.01

^***p<0.001