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Table 2 Selected characteristics documented in 745 clinical notes for 426 adolescent patients (307 females and 119 males) ages 12-17 years whose clinical note included mention of OTC products used for weight control a

From: Clinician identification of youth abusing over-the-counter products for weight control in a large U.S. integrated health system

  Females Males P-valueb
(N = 588 Notes) (N = 157 Notes)
Mean age, years (std. dev.) 15.1 (1.6) 14.8 (1.6) 0.0031
Clinician notes suspicion of use of OTC products abused for weight control, % (n) 5.6 (33) 7.0 (11) 0.51
Patient denies use of OTC products abused for weight control (negating language used by clinician), % (n) 60.5 (356) 25.5 (40) <0.0001
Patient endorses use, % (n) 9.0 (53) 0.0 (0) <0.0001
Any previous eating disorder diagnosis, % (n patients) 29.0% (n = 89 cases/307 patients) 8.4% (n = 10 cases/119 patients) <0.0001
  1. a Data are aggregated from 745 notes over a 29-month observation period from Aug. 1, 2005, through Dec. 31, 2010.
  2. b P-value from Pearson Chi-square test of gender differences.