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Table 5 Association between body perception and dietary weight management behaviours in children adolescents stratified by sex in CHNS (2015)

From: Association of body perception and dietary weight management behaviours among children and adolescents aged 6–17 years in China: cross-sectional study using CHNS (2015)

Variables Model 1 Model 2 Model 3
OR (95% CI) OR (95% CI) OR (95% CI)
Boys Self-perceptive weight Normal Ref Ref Ref
Underweight 2.15(0.90, 5.12) 1.85(0.61, 5.61) 1.98(0.64, 6.12)
Overweight/obesity 7.86(3.90, 15.87)b 6.01(2.54, 14.20)b 5.07(1.86, 13.87)b
BID Satisfied Ref Ref Ref
Desire to be heavier 0.97(0.42, 2.21) 0.85(0.32, 2.23) 0.92(0.34, 2.47)
Desire to be thinner 2.86(1.38, 5.92)a 1.80(0.73, 4.42) 1.47(0.58, 3.72)
Girls Self-perceptive weight Normal Ref Ref Ref
Underweight 1.43(0.51, 3.97) 2.22(0.65, 7.61) 1.67(0.44, 6.34)
Overweight/obesity 13.18(6.58, 26.41)b 13.93(5.86, 33.11)b 14.28(5.73, 35.56)b
BID Satisfied Ref Ref Ref
Desire to be heavier 1.02(0.37, 2.80) 2.02(0.60, 6.76) 1.88(0.54, 6.48)
Desire to be thinner 6.51(3.01, 14.07)b 8.97(3.38, 23.80)b 9.51(3.47, 26.09)b
  1. Note: Multiple logistic regression models were used in this analysis. The model 1 was adjusted for age (years). The model 2 was further adjusted for residence (urban, rural), per capita household income (lower, middle, higher), grade (elementary, junior, high), mother’s education level (elementary, junior, high), father’s education level (elementary, junior, high), and physical activity (no, regular). The model 3 was further adjusted for BMI (normal, underweight, overweight/ obesity). Significant between-group differences were shown in bold. aP < 0.01, bP < 0.001