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Table 3 AORs (95% CI) race, weight status and perceptions, WCIs, and differential racial time trends for types of UDBs in Females

From: Trends and correlates of unhealthy dieting behaviours among adolescents in the United States, 1999–2013

Category

n

Fasted for 24 h or more

AOR (95% CI)

Took any diet PPL

AOR (95% CI)

Vomited/Took laxatives

AOR (95% CI)

Race

 White

23,717

ref

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 Black/African American

12,681

0.99 (0.83–1.17)

0.50 (0.38–0.67)

0.88 (0.59–1.32)

 Hispanic/Latino

15,318

0.96 (0.80–1.15)

0.78 (0.63–0.96)

1.01 (0.77–1.32)

 All other races

5023

1.09 (0.77–1.56)

0.88 (0.64–1.20)

1.42 (0.83–2.46)

Weight Status and Weight Status Perceptions

 Normal Weight; Accurate Perception

25,603

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 Normal Weight; Underestimation

4895

2.00 (1.69–2.35)

1.48 (1.14–1.93)

1.96 (1.45–2.65)

 Normal Weight; Overestimation

8414

1.66 (1.52–1.81)

1.75 (1.55–1.96)

1.94 (1.65–2.29)

 Underweight; Accurate Perception

849

2.03 (1.46–2.82)

0.87 (0.45–1.68)

1.14 (0.57–2.29)

 Underweight; Overestimation

483

2.07 (1.38–3.10)

1.62 (0.73–3.57)

1.21 (0.65–2.27)

 Overweight; Accurate Perception

5391

1.24 (1.11–1.38)

1.86 (1.60–2.16)

1.41 (1.20–1.66)

 Overweight; Underestimation

2503

1.32 (1.11–1.57)

1.28 (1.02–1.62)

1.16 (0.89–1.50)

 Overweight; Overestimation

638

2.07 (1.59–2.70)

2.81 (1.98–3.99)

3.70 (2.50–5.46)

 Obese; Accurate Perception

1880

1.55 (1.33–1.82)

2.83 (2.42–3.32)

2.16 (1.76–2.65)

 Obese; Underestimation

6554

1.52 (1.35–1.71)

1.99 (1.71–2.30)

1.67 (1.37–2.04)

WCI

 Do nothing about weight

8546

ref

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 Lose weight

34,097

8.48 (7.24–9.93)

7.89 (6.04–10.31)

9.28 (7.09–12.14)

 Gain weight

4621

1.34 (1.02–1.75)

2.04 (1.17–3.55)

3.00 (1.58–5.70)

 Stay the same weight

10,042

2.02 (1.68–2.41)

1.49 (1.06–2.09)

1.89 (1.34–2.67)

Year

 

0.99 (0.98–1.01)

0.93 (0.91–0.95)

0.98 (0.96–1.00)

 Black/African American*Year

 

1.00 (0.98–1.02)

0.99 (0.97–1.02)

1.01 (0.98–1.05)

 Hispanic/Latino*Year

 

1.02 (1.00–1.04)

1.01 (0.99–1.03)

1.04 (1.01–1.06)

 All other races*Year

 

0.99 (0.95–1.02)

0.99 (0.95–1.02)

1.00 (0.96–1.04)

  1. Note: All models are adjusted for age. *Significant AORs (p-value< 0.05)