Memory decline in older individuals predicts an objective indicator of oral health: findings from the Sydney Memory and Ageing Study

Table 4 Ordinary least squares regression estimating effect of cognitive function on Oral Health Assessment Tool (OHAT) score

	Partially adjusted^a		Fully adjusted^b
	B (lower, upper 95% CI)	p value	B (lower, upper 95% CI)	P value
Wave 4
Composite global cognition	− 0.11 (− 0.35, 0.12)	0.353	0.06 (− 0.17, 0.31)	0.592
Attention/processing speed	− 0.26 (− 0.49, − 0.02)	0.028^*	− 0.10 (− 0.34, 0.13)	0.379
Language	− 0.02 (− 0.24, 0.19)	0.812	0.05 (− 0.16, 0.28)	0.602
Executive function	− 0.03 (− 0.24, 0.17)	0.737	0.08 (− 0.12, 0.29)	0.425
Visuo-spatial	− 0.09 (− 0.32, 0.14)	0.444	− 0.00 (− 0.23, 0.21)	0.952
Memory	0.11 (− 0.13, 0.36)	0.359	0.22 (− 0.02, 0.46)	0.074
Change in cognitive function^
Composite global cognition	− 0.12 (− 0.52, 0.27)	0.534	− 0.02 (− 0.41, 0.36)	0.910
Attention/processing speed	− 0.34 (− 0.64, − 0.04)	0.024^*	− 0.25 (− 0.55, 0.05)	0.103
Language	0.03 (− 0.29, 0.36)	0.845	0.08 (− 0.23, 0.40)	0.611
Executive function	− 0.18 (− 0.49, 0.13)	0.262	− 0.11 (− 0.42, 0.20)	0.489
Visuo-spatial	0.17 (− 0.13, 0.47)	0.275	0.24 (− 0.05, 0.54)	0.113
Memory	− 0.05 (− 0.37, 0.27)	0.765	− 0.07 (− 0.39, 0.24)	0.634

B represents the number of point change in total OHAT score per 1 unit increase in standardised cognition score
CI Confidence Interval
^*p ≤ .05, ^**p < .01, ^***p < .001
^aAdjusted for age, gender and years of education
^bAdjusted for age, gender, years of education, medical conditions, general health, depression, smoking, alcohol consumption, functionality and dental care utilization
^{^}Change in cognitive function = Score at Wave 4—Scores at Wave 1 (baseline)

ISSN: 1472-6831