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.