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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 ref ref
 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 ref ref ref
 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 ref ref
 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)