Association between dietary magnesium intake and muscle mass among hypertensive population: evidence from the National Health and Nutrition Examination Survey

Table 4 Association between Mg supplement use and muscle mass (β, 95%CI)

	Model 1	Model 2	Model 3
Users versus non-users (N = 10,279)	-0.38 (-0.49,-0.27)^**	-0.09 (-0.18, -0.01)^*	-0.04 (-0.08,0.003)
Mg intake from supplements among users (N = 2890)
Per 100 mg/day increment	-0.04 (-0.08, -0.005)	0.00 (-0.03, 0.03)	0.01 (-0.01, 0.02)
Categorical variable (mg/day)
Tertile 1 (≤ 50.00)	Ref	Ref	Ref
Tertile 2 (50.02–100.00)	-0.39 (-0.56, -0.22) ^**	-0.13 (-0.28, 0.02)	-0.04 (-0.11, 0.03)
Tertile 3 (≥ 100.01)	-0.06 (-0.27, 0.15)	-0.02 (-0.19, 0.15)	0.03 (-0.06, 0.12)
P for trend	< 0.001	0.212	0.189

Model 1: crude analysis
Model 2: adjusted for age as categorical variable (< 45, 45 ∼ 65, ≥ 65), gender, and race
Model 3: adjusted forage as categorical variable (< 45, 45 ∼ 65, ≥ 65), gender, race, PIR, BMI, physical activity, smoking status, drinking status, total energy intake, protein intake, diabetes, heart disease, chronic kidney disease, total cholesterol, serum albumin, CRP, muscle-related medications, and dietary Mg intake
Abbreviations BMI: body mass index; CI: confidence interval; CRP: C-reactive protein; Mg: magnesium; PIR: poverty income ratio; Ref: reference

ISSN: 1475-2891