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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2016 May 27;55(8):693–700.e2. doi: 10.1016/j.jaac.2016.05.011

Table 2.

Estimated Number of Cases Presenting Health Correlates per 100 Observations by Eating Disorder Latent Class and Age Period Among Males in the Growing Up Today Study

Estimated Cases per 100 Observations (Standard Error [SE])
Significant Group Differences (p<.01) Overall Wald Chi-Square Test
Asymptomatic (A) Body Image Disturbance (B) Binge Eating/Purging (C) Mostly Asymptomatic (D) Muscularity Concerns (E)
Ages 13–15 Years
 Incident Obesity 1.5 (0.7) 10.4 (2.4) 0.0 (0.0) 1.7 (0.9) -- ACD < B 272.34, p < 0.001
 Frequent Binge Drinking
  Prevalence 0.6 (0.8) 3.2 (1.3) 51.8 (25.8) 2.8 (1.3) -- 7.17, p = 0.07
  Incidence 0.2 (1.4) 1.9 (0.9) 0.0 (0.0) 9.5 (2.0) -- ABC < D 178.80, p < 0.001
 Non-Marijuana Drug Use
  Prevalence 0.0 (0.0) 10.1 (2.4) 50.9 (36.0) 8.1 (0.8) -- A < BD 174.14, p < 0.0001
  Incidence 5.2 (2.0) 9.1 (6.1) 0.0 (0.0) 6.4 (3.3) -- C < ABD 779.70, p < 0.0001
 High Depressive Symptoms
  Prevalence 0.0 (0.0) 47.2 (3.9) 51.0 (36.1) 26.8 (2.1) -- A < C < B 401.82, p < 0.0001
  Incidence 11.1 (2.8) 15.4 (10.0) 11.2 (2.8) 17.1 (6.1) -- A < C 1282.78, p < 0.0001
Ages 16–18 Years
 Incident Obesity 1.6 (0.2) 4.3 (2.5) 0.0 (0.0) -- 5.6 (4.0) C < A 154.89, p < 0.0001
 Frequent Binge Drinking
  Prevalence 12.0 (0.4) 10.8 (2.4) 48.8 (14.5) -- 25.3 (6.5) 10.94, p = 0.01
  Incidence 15.7 (0.5) 25.8 (3.9) 42.9 (22.0) -- 19.9 (7.6) 7.85, p = 0.05
 Non-Marijuana Drug Use
  Prevalence 9.4 (0.4) 14.6 (2.8) 50.7 (20.2) -- 43.0 (7.5) AB < E 26.45, p < 0.0001
  Incidence 11.4(0.5) 16.1 (5.4) 39.4 (36.3) -- 56.4 (15.7) 9.44, p = 0.02
 High Depressive Symptoms
  Prevalence 18.5 (0.6) 52.0 (3.8) 24.1 (19.0) -- 20.5 (6.2) AE < B 63.96, p < 0.0001
  Incidence 13.2 (0.4) 17.7 (8.3) 37.9 (33.5) -- 6.8 (8.5) 1.38, p = 0.71
Ages 19–22 Years
 Incident Obesity 2.6 (0.2) 6.0 (1.5) 0.0 (0.0) -- 1.9 (1.9) C < AB 231.40, p < 0.0001
 Frequent Binge Drinking
  Prevalence 36.2 (0.6) 45.0 (2.4) 72.3 (13.0) -- 62.9 (5.7) A < BC, A < E 38.52, p < 0.0001
  Incidence 15.5 (0.5) 15.6 (2.6) 86.2 (40.7) -- 21.8 (8.7) 3.54, p = 0.32
 Non-Marijuana Drug Use
  Prevalence 20.4 (0.5) 19.2 (2.7) 53.3 (17.6) -- 24.4 (7.1) 3.98, p = 0.26
  Incidence 18.0 (0.6) 22.7 (3.2) 53.7 (23.0) -- 64.9 (9.1) A < E, B < E 28.99, p < 0.0001
 High Depressive Symptoms
  Prevalence 21.0 (0.6) 37.6 (3.2) 57.6 (16.4) -- 10.1 (5.0) E < BC, A < B 32.38, p < 0.0001
  Incidence 13.9 (0.6) 20.3 (3.6) 0.0 (0.0) -- 20.0 (8.1) C < AB 1301.32, p < 0.0001
Ages 23–26 Years
 Incident Obesity 2.9 (1.5) 0.0 (0.0) 11.8 (7.7) 4.6 (3.0) -- B < ACD 116.39, p < 0.0001
 Frequent Binge Drinking
  Prevalence 33.7 (2.7) 50.2 (7.6) 41.0 (4.8) 54.1 (4.1) -- A < D 11.83, p < 0.01
  Incidence 6.3 (2.5) 12.9 (8.8) 14.3 (9.2) 6.9 (9.8) -- 0.80, p = 0.85
 Non-Marijuana Drug Use
  Prevalence 30.1 (2.4) 7.0 (1.3) 51.8 (5.5) 45.9 (4.9) -- B < A < CD 903.07, p < 0.0001
  Incidence 4.9 (4.0) 19.7 (9.0) 33.3 (11.0) 38.0 (14.7) -- 8.42, p = 0.03
 High Depressive Symptoms
  Prevalence 9.1 (1.9) 0.0 (0.0) 47.0 (5.0) 31.0 (4.4) -- B < A < D < C 653.26, p < 0.0001
  Incidence 7.6 (2.4) 6.6 (6.9) 23.1 (11.5) 7.4 (6.1) -- 1.67, p = 0.64

Note: Results were calculated using the 3-step procedure for distal categorical outcomes in Mplus.