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Table 5 The association between diet knowledge and overweight/obesity in different age, gender, geographic region, and residential areas

From: Association between dietary knowledge and overweight/obesity in Chinese children and adolescents aged 8–18 years: a cross-sectional study

Diet knowledge

Cases (n)

Model 1

Model 2

Model 3

OR (95%CI)

P

OR (95%CI)

P

OR (95%CI)

P

Children (8–12 years old)

 Cluster B

221

Ref

 

Ref

 

Ref

 

 Cluster A

125

0.64 (0.34–1.21)

0.167

0.67 (0.35–1.29)

0.233

0.71 (0.35–1.46)

0.357

 Cluster C

120

0.93 (0.52–1.69)

0.819

0.92 (0.51–1.67)

0.791

1.10 (0.58–2.08)

0.769

Adolescents (13–18 years old)

 Cluster B

1,043

Ref

 

Ref

 

Ref

 

 Cluster A

712

0.52 (0.36–0.75)

 < 0.001

0.51 (0.35–0.74)

 < 0.001

0.54 (0.36–0.80)

0.002

 Cluster C

480

1.40 (1.01–1.94)

0.042

1.33 (0.96–1.85)

0.084

1.43 (1.00–2.05)

0.048

Male

 Cluster B

641

Ref

 

Ref

 

Ref

 

 Cluster A

438

0.53 (0.35–0.80)

0.002

0.54 (0.36–0.82)

0.004

0.58 (0.37–0.90)

0.015

 Cluster C

346

1.21 (0.84–1.73)

0.306

1.19 (0.83–1.71)

0.353

1.31 (0.88–1.94)

0.178

Female

 Cluster B

623

Ref

 

Ref

 

Ref

 

 Cluster A

399

0.53 (0.32–0.89)

0.016

0.52 (0.31–0.87)

0.013

0.50 (0.29–0.88)

0.016

 Cluster C

254

1.33 (0.84–2.11)

0.227

1.28 (0.80–2.04)

0.298

1.31 (0.79–2.15)

0.297

Eastern China1

 Cluster B

364

Ref

 

Ref

 

Ref

 

 Cluster A

148

0.52 (0.29–0.94)

0.031

0.51 (0.28–0.92)

0.027

0.51 (0.26–0.99)

0.047

 Cluster C

119

1.62 (0.99–2.64)

0.053

1.54 (0.94–2.52)

0.088

1.20 (0.70–2.04)

0.512

Central China2

 Cluster B

254

Ref

 

Ref

 

Ref

 

 Cluster A

273

0.83 (0.44–1.58)

0.572

0.82 (0.43–1.57)

0.553

0.91 (0.46–1.79)

0.774

 Cluster C

185

1.65 (0.89–3.07)

0.111

1.49 (0.80–2.79)

0.212

1.68 (0.87–3.24)

0.125

Western China3

 Cluster B

391

Ref

 

Ref

 

Ref

 

 Cluster A

194

0.39 (0.15–1.03)

0.057

0.37 (0.14–1.00)

0.049

0.39 (0.14–1.06)

0.064

 Cluster C

210

1.29 (0.68–2.45)

0.436

1.17 (0.62–2.24)

0.626

1.34 (0.68–2.65)

0.396

Northeastern China4

 Cluster B

255

Ref

 

Ref

 

Ref

 

 Cluster A

222

0.47 (0.26–0.87)

0.015

0.48 (0.26–0.88)

0.018

0.37 (0.19–0.71)

0.003

 Cluster C

86

1.31 (0.69–2.48)

0.417

1.45 (0.75–2.78)

0.270

1.16 (0.57–2.38)

0.689

Urban

 Cluster B

484

Ref

     

 Cluster A

293

0.71 (0.43–1.17)

0.181

0.68 (0.41–1.12)

0.132

0.91 (0.53–1.55)

0.733

 Cluster C

226

1.35 (0.86–2.14)

0.196

1.22 (0.77–1.95)

0.400

1.45 (0.88–2.39)

0.142

Rural

 Cluster B

780

Ref

     

 Cluster A

544

0.45 (0.29–0.68)

 < 0.001

0.45 (0.30–0.69)

 < 0.001

0.38 (0.24–0.60)

 < 0.001

 Cluster C

374

1.25 (0.87–1.79)

0.231

1.21 (0.85–1.74)

0.295

1.28 (0.86–1.91)

0.229

  1. Cluster A: high diet knowledge level; Cluster B: medium diet knowledge level; Cluster C: low diet knowledge level
  2. Model 1: Univariate logistic regression analysis
  3. Model 2: Adjustment for age and gender
  4. Model 3: Adjustment for age, gender, geographic region, maternal education level, alcohol consumption, waist-to-hip ratio, systolic blood pressure and diastolic blood pressure
  5. Ref Reference
  6. 1Eastern China includes: the city of Beijing and Shanghai, the province of Jiangsu, Shandong and Zhejiang
  7. 2Central China includes: the province of Henan, Hubei and Hunan
  8. 3Western China includes: the province of Guizhou, Guangxi, Shanxi and Yunnan, the city of Chongqing
  9. 4Northeastern China includes: the province of Liaoning and Heilongjiang
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BMC Pediatrics

ISSN: 1471-2431

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