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Table 2 AORs (95% CI) of race, weight status and perceptions, WCIs, and differential racial time trends for types of UDBs in Males

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 23,676 ref ref ref
 Black/African American 11,429 1.58 (1.30–1.92) 0.84 (0.60–1.18) 1.99 (1.42–2.78)
 Hispanic/Latino 14,813 1.02 (0.83–1.26) 1.28 (0.87–1.89) 2.07 (1.36–3.16)
 All other races 4891 1.44 (1.02–2.03) 0.93 (0.61–1.40) 2.05 (1.18–3.55)
Weight Status and Weight Status Perceptions
 Normal Weight; Accurate Perception 23,921 ref ref ref
 Normal Weight; Underestimation 7661 1.69 (1.43–1.98) 1.05 (0.83–1.33) 2.27 (1.67–3.08)
 Normal Weight; Overestimation 2511 1.49 (1.21–1.84) 1.71 (1.34–2.17) 3.46 (2.49–4.80)
 Underweight; Accurate Perception 960 1.80 (1.26–2.56) 0.88 (0.52–1.47) 1.40 (0.79–2.47)
 Underweight; Overestimation 510 2.64 (1.72–4.03) 1.05 (0.59–1.88) 3.01 (1.14–7.94)
 Overweight; Accurate Perception 3213 0.82 (0.67–1.00) 1.26 (0.98–1.62) 1.27 (0.88–1.83)
 Overweight; Underestimation 4749 1.26 (1.04–1.53) 1.91 (1.48–2.46) 1.83 (1.31–2.56)
 Overweight; Overestimation 159 2.80 (1.69–4.64) 3.49 (1.76–6.93) 7.83 (3.62–16.94)
 Obese; Accurate Perception 1532 1.53 (1.19–1.97) 3.38 (2.58–4.42) 5.93 (4.00–8.77)
 Obese; Underestimation 10,174 1.41 (1.21–1.65) 2.31 (1.89–2.81) 2.39 (1.72–3.33)
WCI
 Do nothing about weight 11,521 ref ref ref
 Lose weight 17,165 5.65 (4.73–6.76) 3.91 (3.16–4.85) 2.27 (1.66–3.09)
 Gain weight 15,566 1.15 (0.95–1.40) 2.30 (1.77–3.00) 1.49 (1.04–2.14)
 Stay the same weight 11,247 2.22 (1.86–2.64) 1.84 (1.43–2.37) 1.50 (1.15–1.95)
Year   0.99 (0.98–1.01) 0.96 (0.94–0.98) 0.98 (0.96–1.01)
 Black/African American*Year   1.01 (0.98–1.03) 1.00 (0.97–1.02) 1.02 (0.98–1.06)
 Hispanic/Latino*Year   1.02 (1.00–1.04) 1.02 (0.99–1.04) 0.99 (0.95–1.03)
 All other races*Year   1.01 (0.97–1.04) 0.99 (0.96–1.03) 1.03 (0.99–1.08)
  1. Note: All models are adjusted for age. *Significant AORs (p-value< 0.05)