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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Int J Hyg Environ Health. 2019 Jun 13:S1438-4639(19)30117-8. doi: 10.1016/j.ijheh.2019.06.001

Table 5.

T-score differences in anxiety and depression symptoms per unit change in AChE activity between 2008 and 2016, n=223.

Score difference (95% CI) per SDa change in AChE (2016-2008)
All Children 11.0-14.37 y 14.38-17.9y
Depression
All −2.11 (−3.99, −0.24)b −1.92 (−5.20, 1.35) −2.21 (−4.68, 0.27)
Girls −3.25 (−6.18, −0.32)b −4.74 (−9.98, 0.49) −2.65 (−6.57, 1.27)
Boys −1.13 (−3.68, 1.42) 0.27 (−4.35, 4.86) −1.53 (−5.01, 1.94)
Anxiety
All −0.74 (−2.66, 1.18) −1.84 (−5.29, 1.60) −0.15 (−2.61, 2.32)
Separation Anxiety −0.09 (−2.28, 2.10) −0.71 (−4.20, 2.78) −0.20 (−3.20, 2.81)
GAD Index −0.91 (−2.87, 1.04) −3.21 (−6.58, 0.16) −0.28 (−2.79, 2.24)
Social Anxiety 0.09 (−1.85, 2.03) −0.83 (−4.39, 2.73) 0.17 (−2.18, 2.52)
Obsessive Compulsive −1.06 (−3.02, 0.90) −1.23 (−4.47, 2.01) −0.72 (−3.40, 1.95)
a

SD of AChE (2016): 0.55 U/mL

b

p<0.05

GAD: Generalized anxiety disorder

Adjustments: age, gender, AChE activity (2008), hemoglobin concentration (2008 and 2016), and 2016 values for z-scores for height-for-age and BMI-for-age, race, parental years of education and family income. Models stratified by median age categories were not adjusted for age.