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Table 2 Results related to anthropometric characteristics, depression score and distribution of subjects according to BMI status, physical activity, degree of depression and respiratory function test

From: The associations between dietary pattern of chronic obstructive pulmonary disease patients and depression: a cross-sectional study

Variable Total n = 220 Men (n = 124) Women (n = 96) P*
  Mean ± SD    
Height (cm) 160.85 ± 12.10 166.77 ± 81.7 153 ± 23.7  < 0.05
Weight (kg) 70.30 ± 13.63 72.15 ± 14.22 67.91 ± 12.5  < 0.02
BMI (kg/m2) 27 ± 4.72 25.87 ± 4.54 28.64 ± 4.50  < 0.05
depression score 22 ± 9.58 23 ± 9.95 22.38 ± 9.09 0.41
Pulmonary function testing     
FEV1 57.18 ± 13.77 55.1 ± 13.8 59.7 ± 13.2 0.014
FVC 82.28 ± 16.7 79.7 ± 17.6 85.6 ± 15.5 0.009
FEV1/FVC 62.23 ± 9.34 61.6 ± 8.6 63 ± 8.6 0.238
  N (%)    
BMI     
Low =  < 18/5 7 (3.2) 6 (2.7) 1 (0.5)  < 0.05
Normal = 18.5–24.9 70 (31.8) 52 (23.6) 18(8.2)  
Overweight = 25–29.9 79 (35.9) 40 (18.2) 39 (17.7)  
Obesity =  > 30 64 (29.1) 26 (11.8) 38 (17.3)  
Level of physical activity (MET/day)     
low < 600 177 (80.5) 90 (40.9) 87 (39.5)  < 0.05
medium (2999–600) 32 (14.5) 24 (10.9) 8 (3.6)  
high =  > 3000 (5)11 10 (4.5) 1 (0.5)  
Depression score     
No depression 20 (9.1) 12 (5.5) 8 (3.6) 0.40
Mild 54 (24.5) 32 (14.5) (10)22  
Moderate 97 (42.7) 56 (25.5) 38 (17.3)  
Severe 52 (23.6) 24 (10.9) 28 (12.7)  
  1. The values represent the frequency of individuals in each group and the numbers in parentheses. Chi-squared test was used to compare the two groups. *Independent T test
  2. BMI, Body mass index; FEV1, Forced expiratory volume in 1 s; FVC, Forced vital capacity