Table 2. Study characteristics and absolute reliability in older adults (>60 years old).
Author (Year) Age (yr) Sex Device Interval Arm HGS test1 HGS test2 MD (kg) % MD
  Anstey et al. (1997) 67.92 (4.89) 50W Spedly manual 3 months Right 25.52 (4.55) 26.15 (5.91) 5.50 21.3
Left 22.63 (4.16) 23.48 (5.03) 4.61 20.0
  Lemmink et al. (2001) 65.8 (7.03) 68M Jamar 7 days Preferred 43.9 (8.00) 44.7 (8.45) 7.53 17.0
66.1 (6.75) 83W 28.1 (5.30) 29.3 (5.55) 6.17 21.5
  Bohannon & Schaubert (2005) 75.0 (5.9) 4M 17W Jamar 12 weeks Right 26.70 (7.39) 25.83 (7.05) 5.94 22.6
Left 24.71 (7.69) 24.36 (7.44) 4.51 18.4
  Villafane et al. (2016) 67.5 (10.2) 6M 9W Jamar 7 days Dominant 25.8 (9.9) 25.8 (9.9) 0.67 2.6
Nondominant 24.4 (10.5) 24.3 (10.6) 2.22 9.1
  Jenkins & Cramer (2017) 76.8 (6.3) 98M Jamar 12 weeks NR 29.76 (9.27) 29.62 (8.83) 5.49 18.5
24 weeks 30.42 (9.09) 30.61 (8.98) 5.07 16.6
75.9 (6.6) 159W 12 weeks 17.60 (6.10) 17.63 (6.08) 3.38 19.2
24 weeks 18.17 (5.82) 18.27 (5.72) 2.66 14.6
 Abe et al. (2018) 72 (3.8) 34M 46W Takei 1 year Right 31.8 (7.9) 29.5 (6.8) 6.4 21.1
 Suzuki et al. (2019) ?65 197M 21W Takei NA Dominant 26.3 (6.8) 26.0 (6.8) 3.94 15.1
  Legg et al. (2020) 71(10) 6M 11W Jamar 48 hours Dominant 34.7 (15.1) 35.1 (14.4) 5.92 17.0
Nondominant 32.6 (16.6) 33.6 (16.3) 4.60 13.9
  Beauchamp et al. (2021) 69(3) 29M 521W NR 7 days Dominant 37.08 (12.79) 39.08 (13.23) 10.64 28.0
81(4) 29M 20W 29.41 (9.28) 36.65 (12.63) 5.16 15.6
 Boshnjaku et al. (2021) 70.7 (6.1) 22M 39W Jamar 7-97 days Dominant 29.2 (9.2) 28.8 (9.3) 5.29 18.3
  Ferreira et al. (2021) 84.5 (6.5) 15M 28W Baseline Smedley 7 days Dominant 18.9 (5.9) 18.9 (5.8) 3.49 18.5
Non-dominant 17.1 (5.6) 17.4 (5.4) 2.91 16.9
  Gil et al. (2022) 70.5 (5.0) 6M 6W Straingauge 7 days Right 29.5 (8.4) 29.2 (8.0) 2.27 7.7
Left 26.9 (7.8) 28.5 (7.1) 2.92 10.5
M, men; W, women; Avg, average; NR, not reported; MD, minimal difference; %MD, percentage of a minimal difference to the measured value; HGS, handgrip strength (unit in kilograms)