Table 4.

Associations of different plant-based dietary groups with possible low muscle mass among age and physical function subpopulations

Indicators	PDI groups
	Group 1	Group 2	Group 3	Group 4
Age
< 80 years	Ref	0.59 (0.28–1.24)	0.24 (0.08–0.63) **	0.33 (0.13–0.80) *
≥ 80 years	Ref	0.74 (0.48–1.15)	0.51 (0.30–0.86) *	0.55 (0.32–0.93) *
Gender
Men	Ref	0.43 (0.13–1.47)	0.13 (0.02–1.07)	0.53 (0.15–1.88)
Women	Ref	0.77 (0.55–1.07)	0.55 (0.35–0.85) **	0.60 (0.39–0.91) *
BADL disability
Yes	Ref	0.73 (0.49–1.07)	0.40 (0.24–0.66) ***	0.60 (0.03–1.26)
No	Ref	0.37 (0.07–1.95)	0.78 (0.16–3.78)	0.57 (0.35–0.90) *
IADL disability
Yes	Ref	0.66 (0.35–1.23)	0.27 (0.11–0.61) **	0.57 (0.28–1.14)
No	Ref	0.75 (0.47–1.23)	0.57 (0.31–1.01)	0.51 (0.28–0.91) *

Abbreviations: Group 1: low plant food consumption and high animal food consumption; Group 2: low plant food consumption and low animal food consumption; Group 3: high plant food consumption and high animal food consumption; Group 4: high plant food consumption and low animal food consumption; PDI plant-based dietary index

^*: < 0.05; **: < 0.01; ***: < 0.001