Skip to main content

Table 1 Baseline study sample characteristics

From: Relationship between muscle mass and muscle strength, and the impact of comorbidities: a population-based, cross-sectional study of older adults in the United States

Characteristics

Mean (SE) or n(%) of Population a

Age (years), mean (SE)

62.6 (0.32 )

Age (years), by category

  50-54

497 (27.4%)

  55-59

326 (18.4%)

  60-64

518 (15.7%)

  65-69

409 (13.3%)

  70-74

369 (10.9%)

  75-79

230 (7.6%)

  80+

298 (6.7%)

Gender

  Male

1334 (47.1%)

  Female

1313 (52.9%)

Race/Ethnicity

  Non-Hispanic White

1528 (80.9%)

  Mexican American

517 (3.3%)

  Other Hispanic

120 (5.1%)

  Non-Hispanic Black

413 (7.4%)

  Other Race - Including Multiracial

69 (3.2%)

Body Mass Index (kg/m2)

  <18.5

34 (1.2%)

  18.5-24.99

739 (29.2%)

  25-29.99

1103 (40.5%)

  ≥30

769 (29.0%)

aASM (kg/m2), mean (SE)

7.3 (0.04)

IQS (newton), mean (SE)

365.0 (3.00)

  1. Abbreviations: aASM height-adjusted appendicular skeleton muscle mass, IQS isokinetic quadriceps strength.
  2. aAll percentage and mean estimates were weighted according to sampling design.