Relationship between tooth loss, low masticatory ability, and nutritional indices in the elderly: a cross-sectional study

Table 3 Proportions with serum albumin below 4.4 g/dL and BMI below 21.0 kg/m², classified by masticatory ability

		Serum albumin < 4.4 g/dL				BMI < 21.0 kg/m²
	Number	Number	%	p-value^*	p-for trend^§	Number	%	p-value^*	p-for trend^§
Males (n = 1591)
Occlusal force: ≥500 N	542	88	16.2	< 0.001	< 0.001	101	18.6	< 0.001	< 0.001
300–500 N	341	65	19.1			73	21.4
100–300 N	449	117	26.1			108	24.1
< 100 N	259	73	28.2			86	33.2
All five food groups were masticable	1269	260	20.5	0.041		261	20.6	< 0.001
All five food groups were non-masticable	322	83	25.8			107	33.2
Females (n = 1543)
Occlusal force: ≥500 N	357	44	12.3	0.016	0.002	87	24.4	0.595	0.200
300–500 N	338	57	16.9			92	27.2
100–300 N	526	95	18.1			147	27.9
< 100 N	322	69	21.4			92	28.6
All five food groups were masticable	1215	207	17.0	0.805		311	25.6	< 0.014
All five food groups were non-masticable	328	58	17.7			107	32.6

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