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Table 1 General characteristics of study participants by tertiles of CRF

From: Interaction between major dietary patterns and cardiorespiratory fitness on metabolic syndrome in Iranian adults: a cross-sectional study

  All = 270
Mean ± SD or%
Tertiles of CRF P value
T1 T2 T3
n 270 90 88 92  
Height (cm) 168 ± 9.96 163 ± 9.57 166 ± 49 174 ± 7.93 < 0.001
Age (year) 36.7 ± 13.18 42.8 ± 13.78 35.2 ± 12.36 32.1 ± 11.02 < 0.001
FFM (kg) 50.1 ± 12.65 46.6 ± 11.40 47.2 ± 12.68 56.3 ± 11.49 < 0.001
FM (kg) 22.4 ± 9.39 27.9 ± 10.23 23.2 ± 7.27 16.3 ± 6.34 < 0.001
Weight (kg) 72.7 ± 16.06 74.5 ± 17.82 71.0 ± 16.34 72.6 ± 13.82 0.34
WC (cm)
 Men 93.9 ± 12.4 105 ± 12.7 100 ± 10.8 88.4 ± 9.74 < 0.001
 Women 86.3 ± 11.7 90.9 ± 12.3 83.3 ± 9.23 78.4 ± 8.21 < 0.001
WHR 0.90 ± 0.06 0.92 ± 0.05 0.91 ± 0.06 0.87 ± 0.06 < 0.001
BMI (kg/m2) 25.6 ± 4.67 27.6 ± 5.36 25.3 ± 4.12 23.8 ± 3.62 < 0.001
Sex, male, n(%) 117(43.5%) 16(5.9%) 32(11.9%) 69(25.7) < 0.001
Marital status,n(%)      < 0.001
 Single 115(43.3) 23(8.6) 36(13.5) 57(21.3)  
 Married 152(56.7) 66(24.6) 51(19.0) 35(13.0)  
Smoking, n(%)      0.33
 Non-smoker 233(86.9) 83(31.0) 75(28.0) 75(28.0)  
 Former and current smoker 35(13.1) 6(2.20) 12(4.50) 17(6.30)  
Physical activity, n(%)      < 0.001
 Low 103(38.4) 43(16.0) 39(14.6) 21(7.80)  
 Medium 110(41.0) 37(13.8) 34(12.7) 39(14.6)  
 high 55(20.5) 9(3.40) 14(5.20) 32(11.9)  
Diabetes, yes, n(%) 9(3.40) 7(2.60) 2(0.70) 0(0.0) 0.01
CVD, yes, n(%) 5(1.90) 3(1.10) 1(0.40) 1(0.40) 0.43
Menopause status, yes,
n (%)
36(13.5) 34(12.7) 2(0.70) 0(0.0) < 0.001
  1. P value less than 0.05 was considered significant
  2. Values are based on average ± standard deviation or reported number (percentage)
  3. One-way anova for quantitative data and Chi-2 test for qualitative data have been used
  4. BMI Body Mass Index, WC Waist Circumference, FFM fat free mass, FM fat mass, WHR waist to hip ratio, CRF cardiorespiratory fitness