The Korean Journal of Sports Medicine

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2288-6028   pISSN 1226-3729

Table. 1.

Table. 1.

Baseline characteristics of study participants

Characteristic of risk factor Total (n=1,987) Age<65 (n=1,195) Age≥65 (n=792)



Non anemia Anemia p-value Non anemia Anemia p-value Non anemia Anemia p-value
No. of participants 1,811 176 1,102 93 709 83
Female sex (%) 1,089 (60.1) 143 (81.2) <0.001 711 (64.5) 87 (93.5) <0.001 378 (53.3)* 56 (67.4)* 0.014
Age (yr) 60.32±10.10 60.81±11.59 0.544 53.64±6.41 51.52±7.44 0.002 70.69±4.47 71.21±4.668 0.316
Leg strength/BMI (%) 0.251 0.750 0.125
Low 594 (32.8) 67 (38.0) 235 (21.3) 22 (23.6) 359 (50.6) 45 (54.2)
Middle 604 (33.3) 59 (33.5) 366 (33.2) 32 (34.4) 238 (33.5) 27 (32.5)
High 613 (33.8) 50 (28.4) 501 (45.4) 39 (41.9) 112 (15.8) 11 (13.2)
Grip strength/BMI (%) 0.172 0.783 0.771
Low 592 (32.6) 669 (39.2) 247 (22.4) 19 (20.4) 345 (48.6) 50 (60.2)
Middle 613 (33.8) 50 (28.4) 378 (34.3) 30 (32.2) 235 (33.1) 20 (24.1)
High 606 (33.4) 57 (32.3) 477 (43.2) 44 (47.3) 129 (18.1) 13 (15.6)
eGFR (mL/min/1.73 m2) 69.01±9.56 65.03±11.21 <0.001 70.72±8.60 67.03±9.96 <0.001 66.34±10.34 62.78±12.13 0.004
Sleep time <7 hr (%) 599 (33.0) 58 (32.9) 0.974 354 (32.1) 33 (35.4) 0.506 245 (34.5) 25 (30.1) 0.420
Meat intake (%) 1,194 (65.9) 111 (63.0) 0.628 815 (73.9) 66 (70.9) 0.769 379 (53.4) 45 (54.2) 0.628
Serum glucose (mL/dL) 102.93±22.43 97.67±20.03 0.003 101.77±21.75* 96.41±23.12* 0.023 104.73±23.34* 99.07±15.89* 0.032
History of diabetes mellitus (%) 121 (6.7) 11 (6.3) 0.826 66 (6.0) 6 (6.5) 0.857 55 (7.8) 5 (6.1) 0.572
History of hypertension (%) 361 (19.9) 29 (16.4) 0.270 194 (17.6) 11 (11.8) 0.156 167 (23.5) 18 (21.6) 0.704
BMI (kg/m2) 24.51±3.14 23.83±3.49 0.007 24.89±3.10 24.43±3.48 0.167 23.90±3.12* 23.16±3.40* 0.045
Lean body mass (kg) 42.02±7.76 39.08±6.06 <0.001 43.34±7.94 40.50±5.42 0.001 39.97±7.01 37.47±6.37 0.002

Values are presented as number only, number (%), or mean±standard deviation.

BMI: body mass index, eGFR: estimated glomerular filtration rate.

*p<0.05, p<0.01, p<0.001.

Korean J Sports Med 2022;40:120-7 https://doi.org/10.5763/kjsm.2022.40.2.120
© 2022 Korean J Sports Med