Trajectories of body mass index among Canadian seniors and associated mortality risk

BMC Public Health

Table 1 Adjusted hazard ratios of BMI trajectories among men from cox proportional hazard models in the NPHS,1994–2011

	Men
	Unadjusted model			Adjusted for demographics Factors^a		Fully adjusted model^b
	N(%)death	HR(95% CI)	P-value	HR(95% CI)	P-value	HR(95% CI)	P-value
BMI Traj
OV-N	268 (50.4)	1.00 (referent)		1.00 (referent)		1.00 (referent)
N-D	78 (69.7)	1.86(1.36–2.54)	<.0001	1.94(1.41–2.65)	<.0001	1.66(1.20–2.29)	0.003
OV-S	171 (48.9)	1.13(0.84–1.51)	0.41	1.19(0.88–1.60)	0.25	1.25(0.92–1.67)	0.15
OB-S	43 (69.2)	1.97(1.26–3.07)	0.003	2.01(1.28–3.14)	0.002	1.98(1.28–3.16)	0.003

NB: BMI body mass index, NPHS the National Population Health Survey, N-D normal weight-down, OV-N overweight-normal weight, OV-S overweight-stable, and OB-S obese-stable, CI confidence interval, HR hazard ratio
^aAdjusted for age at baseline, race/ethnicity, education
^bAdjusted for age at baseline, race/ethnicity, education, place of residence, disability, the probability of being physically active, smoking, and drinking, as well as the change patterns of the number of chronic conditions

ISSN: 1471-2458