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Table 1 Sociodemographic and health-related conditions by gender

From: Gender differences in the association between body mass index and health-related quality of life among adults:a cross-sectional study in Shandong, China

Variable Total Men Women P-value
27257 13032 (47.8) 14225 (52.2)
Age, mean ± SD 50.03 ± 16.04 49.83 ± 15.85 50.21 ± 16.2 0.036a
Area [n (%)]     <0.001b
 Urban 18371 (67.4) 8646 (66.3) 9725 (68.4)  
 Rural 8886 (32.6) 4386 (33.7) 4500 (31.6)  
Education attainment [n (%)]     <0.001b
 Primary school or below 9740 (35.7) 3404 (26.1) 6336 (44.5)  
 Junior school 9906 (36.3) 5357 (41.1) 4549 (32.0)  
 Senior school or above 7611 (27.9) 4271 (32.8) 3340 (23.5)  
Smoking status [n (%)]     <0.001b
 Yes 6216 (22.8) 5976 (45.9) 240 (1.7)  
 No 21041 (77.2) 7056 (54.1) 13985 (98.3)  
Drinking status [n (%)]     <0.001b
 Yes 7623 (28.0) 7136 (54.8) 487 (3.4)  
 No 19634 (72.0) 5896 (45.2) 13738 (96.6)  
Exercise times weekly [n (%)]     0.227b
 ≥6 3501 (12.8) 1722 (13.2) 1779 (12.5)  
 1–5 4050 (14.9) 1919 (14.7) 2131 (15.0)  
 <1 19706 (72.3) 9391 (72.1) 10315 (72.5)  
Health examination [n (%)]     <0.001b
 Yes 12581 (46.2) 5727 (43.9) 6854 (48.2)  
 No 14676 (53.8) 7305 (56.1) 7371 (51.8)  
Number of chronic diseases [n (%)]    0.001b
 0 18546 (68.0) 9005 (69.1) 9541 (67.1)  
 1 5838 (21.4) 2739 (21.0) 3099 (21.8)  
 2 2214 (8.1) 988 (7.6) 1226 (8.6)  
 ≥3 659 (2.4) 300 (2.3) 359 (2.5)  
Family members with cancers     0.640b
 Yes 243 (0.9) 123 (0.9) 120 (0.8)  
 No 27014 (99.1) 12859 (98.7) 14054 (98.8)  
BMI categories [n (%)]     <0.001b
 Underweight 1173 (4.3) 417 (3.2) 756 (5.3)  
 Normal weight 16516 (60.6) 7960 (61.1) 8556 (60.1)  
 Overweight 8376 (30.7) 4068 (31.2) 4308 (30.3)  
 Obese 1192 (4.4) 587 (4.5) 605 (4.3)  
BMI, mean ± SD 23.84 ± 3.46 24.01 ± 3.40 23.68 ± 3.51 <0.001a
EQ-5D, mean ± SD 0.95 ± 0.14 0.95 ± 0.14 0.94 ± 0.14 <0.001a
VAS, mean ± SD 82.56 ± 15.29 83.24 ± 15.03 81.94 ± 15.50 <0.001a
  1. SD standard deviation, BMI body mass index, EQ-5D EuroQOL-5 Dimensions, VAS visual analogue scale, a t-test, b Chi-square test