Table 4.

Association between the serum phosphate and the muscle strength in elderly participants.

Anthropo-metric Parameters	Modela 1 βb (95% CI)	P Value	Modela 2 βb (95% CI)	P Value	Modela 3 βb (95% CI)	P Value
<65 y/o
Muscle Strength	−15.68 (−49.64, 18.28)	0.365	−23.48 (−57.24, 10.29)	0.173	−21.52 (−55.11, 12.06)	0.209
≥65 y/o
Muscle Strength	−39.43 (−69.79, −9.06)	0.011	−34.92 (−64.68, −5.16)	0.021	−35.17 (−65.01, −5.33)	0.021

Model 1 = Unadjusted.

Model 2 = Model 1 + age, sex, race/ethnicity + BMI, serum fasting glucose, serum cholesterol, AST, serum HDL, serum calcium, serum creatinine.

Model 3 = Model 2 + history of congestive heart failure, coronary heart disease, angina/angina pectoris, heart attack, stroke, smoking.