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Table 2 Odds ratio and 95% confidence interval (OR 95% CI) of having height and weight measurements at ages 6–9 years based on the characteristics of the children

From: Inverse-probability weighting and multiple imputation for evaluating selection bias in the estimation of childhood obesity prevalence using data from electronic health records

 

Total

n = 10,811

Measured

n = 10,278 (95.1)

Not measured

n = 533 (4.9)

Adjusted ORa

Sex

 Boys

5498

5203 (94.6)

295 (5.4)

1 (ref.)

 Girls

5313

5075 (95.5)

238 (4.5)

1.18 (0.99–1.42)

Weight status at 2–5 years of age

 Underweight

78

70 (89.7)

8 (10.3)

0.52 (0.25–1.11)

 Normal weight

7628

7241 (94.9)

387 (5.1)

1 (ref.)

 At risk of overweight

2291

2198 (95.9)

93 (4.1)

1.29 (1.02–1.63)

 Overweight/ Obese

814

769 (84.5)

45 (5.5)

0.99 (0.72–1.37)

Annual household income

 Basic income

510

442 (86.7)

68 (13.3)

0.40 (0.31–0.54)

  < 18,000 €

4657

4390 (94.3)

267 (5.7)

1 (ref.)

 18.000 € - < 100.000 €

5546

5352 (96.5)

194 (3,5)

1.70 (1.41–2.06)

  > 100,000 €

97

93 (95.9)

4 (4.1)

1.45 (0.53–3.98)

Residence

 Rural

6447

6159 (95.5)

288 (4.5)

1 (ref.)

 Urban

4364

4119 (94.4)

245 (5.6)

0.79 (0.66–0.94)

  1. Values of measured and not measured are expressed as numbers (%)
  2. a Adjusted simultaneously for all variables in the table. OR odds ratio