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Table 1 Comparison of unadjusted mean health-related quality of life (HRQoL) total scores among children with different demographic and socioeconomic characteristics

From: Prevalence of body dissatisfaction and its effects on health-related quality of life among primary school students in Guangzhou, China

  n (%) HRQoL total score Unadjusted mean (s.d.) P
Total 5734 (100.00) 78.91 (13.56)  
Gender
 Male 3124 (54.48) 78.45 (13.87) 0.005
 Female 2610 (45.52) 79.46 (13.17)  
Age (year)
 8 601 (10.48) 75.97 (14.16) < 0.001
 9 1906 (33.24) 78.57 (13.97)  
 10 1746 (30.45) 79.26 (13.32)  
 11 1332 (23.23) 80.47 (12.77)  
 12 149 (2.60) 77.01 (13.29)  
School type
 Private school 1726 (30.10) 75.43 (13.76) < 0.001
 Public school 4008 (69.90) 80.41 (13.20)  
Weight category
 Underweight 373 (6.51) 77.87 (13.12) 0.476
 Healthy weight 4187 (73.02) 78.97 (13.67)  
 Overweight 751 (13.10) 78.92 (13.18)  
 Obesity 423 (7.38) 79.21 (13.51)  
Body perception
 Just right 1256 (21.90) 82.01 (13.79) < 0.001
 Too fat 2467 (43.02) 78.18 (13.44)  
 Too thin 2011 (35.07) 77.87 (13.29)  
BD
 Not at all 1256 (21.90) 82.01 (13.79) < 0.001
 Mild 3018 (52.63) 78.87 (13.04)  
 Moderate or high 1460 (25.46) 76.32 (13.88)  
Paternal education years (n = 5407)
  < =9 2352 (43.50) 76.92 (13.66) < 0.001
 10–12 1619 (29.94) 79.50 (13.12)  
  > 12 1436 (26.56) 81.92 (12.74)  
Maternal education years (n = 5416)
  < =9 2772 (51.18) 76.86 (13.63) < 0.001
 10–12 1346 (24.85) 80.39 (12.69)  
  > 12 1298 (23.97) 82.24 (12.76)  
Family income (n = 5038)
 Low 1926 (38.23) 77.3 (13.83) < 0.001
 Medium 2072 (41.13) 79.43 (13.15)  
 High 1040 (20.64) 81.54 (12.72)  
  1. The level of significance in the analyses was set to 0.05, all p < 0.05 were used in boldface