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Table 1 Baseline characteristics of the participants according to sex

From: Central obesity is associated with lower prevalence of sarcopenia in older women, but not in men: a cross-sectional study

   Men Women Total P-value
  (n = 883) (n = 944) (n = 1,827)
Age (years)   76.5 ± 3.7 75.7 ± 3.7 76.1 ± 3.8 0.21
BMI (kg/cm2)   24.0 ± 2.8 24.8 ± 2.9 24.5 ± 2.9 0.47
Waist circumference (cm)   87.6 ± 8.2 87.9 ± 8.3 87.8 ± 8.3 0.41
Height (cm)   165.1 ± 5.4 152.2 ± 5.1 158.5 ± 8.4  < 0.01*
Weight (kg)   65.7 ± 8.7 57.6 ± 7.7 61.6 ± 9.2  < 0.01*
Obesity by BMI
Normal (BMI < 25)   571 (64.7) 519 (55.0) 1090 (59.7)  < 0.01*
Obese (30 > BMI ≥ 25)   290 (32.8) 381 (40.4) 671 (36.7)  
Severe obese (BMI ≥ 30)   22 (2.5) 44 (4.7) 66 (3.6)  
Central obesity by WC
No (men < 90, women < 85)   547 (61.9) 335 (35.5) 882 (48.3)  < 0.01*
Yes (men ≥ 90, women ≥ 85)   336 (38.1) 609 (64.5) 945 (51.7)  
Marriage (%) Married 816 (92.4) 626 (66.3) 1442 (78.9)  < 0.01*
Not married 67 (7.6) 318 (33.7) 385 (21.1)  
Income per month More than 3 181 (20.5) 177 (18.8) 358 (19.6)  < 0.01*
(Korean million won, %) 1–3 448 (50.7) 373 (39.5) 821 (44.9)  
Less than 1 254 (28.8) 394 (41.7) 648 (35.5)  
Location of residence (%) Urban 690 (78.1) 806 (85.4) 1496 (81.9)  < 0.01*
Rural 193 (21.9) 138 (14.6) 331 (18.1)  
Current smoker (%) 573 (67.9) 18 (1.9) 591 (32.3)  < 0.01*
Alcohol use (%) 539 (60.9) 536 (56.8) 1074 (58.8) 0.72
Hypertension (%) 459 (52.0) 552 (58.5) 1011 (55.3) 0.01*
Dyslipidemia (%) 222 (25.1) 402 (42.6) 624 (34.2)  < 0.01*
Diabetes mellitus (%) 214 (24.2) 175 (18.5) 389 (21.3)  < 0.01*
Depression (%) 15 (1.7) 34 (3.6) 49 (2.7) 0.01*
Knee OA (%) 90 (10.2) 296 (31.4) 386 (21.1)  < 0.01*
Osteoporosis (%) 23 (2.6) 227 (24.0) 250 (13.7)  < 0.01*
MMSE-KC   26.4 ± 2.7 25.6 ± 3.1 26.0 ± 3.0  < 0.01*
  1. Abbreviations: BMI Body mass index, OA Osteoarthritis, MMSE-KC Mini-Mental Status Examination-Korean version, WC Waist circumference