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Table 1 Characteristics of the study participants according to general obesity status in Taiwanese older adults

From: Poor health-related physical fitness performance increases the overweight and obesity risk in older adults from Taiwan

Variables Men (N = 7652) Women (N = 13,978)
Obesity
(n = 1671)
Overweight
(n = 2840)
Normal Weight
(n = 3141)
p Obesity
(n = 3534)
Overweight
(n = 4568)
Normal weight
(n = 5876)
p
Age (%)     <  0.001*     <  0.001*
 65–69 years old 32.50 30.56 27.54   36.64 37.06 37.25  
 70–74 years old 25.79 25.35 24.90   29.20 28.63 26.92  
 75–79 years old 23.16 20.53 21.59   21.62 20.56 18.98  
 80–84 years old 11.13 14.40 14.93   9.42 9.96 11.15  
85 years old 7.42 9.15 11.05   3.11 3.79 5.70  
Height (cm) 162.17 ± 5.79 163.47 ± 5.83 163.74 ± 6.11 <  0.001* 151.63 ± 5.60 152.69 ± 5.66 153.21 ± 5.80 <  0.001*
Body weight (kg) 75.67 ± 5.77 67.95 ± 5.31 59.25 ± 5.78 <  0.001* 67.74 ± 6.36 59.27 ± 4.79 51.54 ± 4.99 <  0.001*
BMI (kg/m2) 28.76 ± 1.43 25.40 ± 0.87 22.07 ± 1.38 <  0.001* 29.44 ± 2.04 25.39 ± 0.86 21.93 ± 1.40 <  0.001*
WC (cm) 97.50 ± 6.44 90.69 ± 5.83 83.14 ± 6.33 <  0.001* 93.40 ± 7.52 85.99 ± 7.00 79.06 ± 7.08 <  0.001*
HC (cm) 101.69 ± 4.55 97.30 ± 4.46 92.62 ± 4.51 <  0.001* 102.63 ± 5.24 97.21 ± 4.77 91.97 ± 4.58 <  0.001*
WHR 0.96 ± 0.06 0.93 ± 0.05 0.90 ± 0.06 <  0.001* 0.91 ± 0.07 0.89 ± 0.07 0.86 ± 0.07 <  0.001*
Education level (%)     <  0.001*     <  0.001*
 Elementary school or lower 50.89 42.28 40.96   72.92 66.67 57.74  
 Junior or senior school 30.19 34.83 32.54   21.99 25.57 30.18  
 College or higher 18.92 22.89 26.50   5.09 7.76 12.07  
Income level (%)     0.025*     <  0.001*
20,000 NTD 81.86 78.78 78.11   93.35 91.59 87.86  
 20,001–40,000 NTD 10.04 11.94 11.23   4.52 5.30 7.61  
40,001 NTD 8.10 9.28 10.66   2.12 3.11 4.54  
Marital status (%)     0.481     0.001*
 Never married 58.49 59.67 58.08   48.40 47.18 50.85  
 Married 30.69 30.06 30.22   24.84 27.05 24.41  
 Divorced/separation/widowed 10.82 10.28 11.70   26.75 25.77 24.75  
Self-reported health status (%)     0.038*     <  0.001*
 Excellent or good 65.44 69.44 69.14   61.93 65.08 64.22  
 Fair 26.55 24.28 24.32   28.16 26.53 28.20  
 Very bad or poor 8.02 6.27 6.54   9.91 8.39 7.59  
Smoking status (%)     0.012*     0.236
 Never 78.74 82.20 80.27   97.33 97.62 97.27  
 Current 11.51 9.84 11.92   1.60 1.71 1.95  
 Former 9.76 7.97 7.80   1.07 0.66 0.79  
Chewing betel nut (%)     <  0.001*     <  0.001*
 Never 93.17 95.03 96.11   98.33 99.11 99.12  
 Current 2.63 1.84 1.30   1.19 0.66 0.47  
 Former 4.20 3.13 2.60   0.48 0.23 0.41  
  1. Values are expressed as means ± standard deviation
  2. Abbreviations: BMI body mass index, HC hip circumference, NTD New Taiwan Dolloar, WC waist circumference, WHR waist-to-hip ratio
  3. *p <  0.05