Table 4 Interaction between NGF rs6330 and 5-HTTLP R in predicting primary anxiety disorder response (NGF rs6330 coded as CC=−1; CT=0, TT=1; 5-HTTLPR coded as LL/LS=0; SS=1)

From: Neurotrophic gene polymorphisms and response to psychological therapy

Predictor variable

Model 1

Model 2

Model 3

 

OR (95% CI)

P

OR (95% CI)

P

OR (95% CI)

P

NGF rs6330

0.58 (0.40–0.84)

0.004

0.57 (0.38–0.85)

0.006

0.59 (0.39–0.89)

0.013

5-HTTLPR

0.38 (0.18–0.80)

0.011

0.39 (0.18–0.85)

0.017

0.36 (0.16–0.82)

0.015

rs6330 × 5-HTTLPR

  

1.12 (0.40–3.12)

0.823

  

Time (linear)

0.18 (0.02–1.76)

0.140

0.18 (0.02–1.76)

0.141

0.41 (0.04–4.85)

0.481

Time2 (quadratic)

1.30 (0.95–1.78)

0.106

1.30 (0.95–1.78)

0.105

1.15 (0.82–1.62)

0.422

Age

0.90 (0.78–1.05)

0.174

0.90 (0.78–1.04)

0.168

0.91 (0.77–1.07)

0.261

Gender

1.16 (0.69–1.95)

0.580

1.16 (0.69–1.95)

0.578

1.33 (0.74–2.37)

0.339

Site

1.08 (0.56–2.10)

0.809

1.08 (0.56–2.10)

0.812

0.95 (0.43–2.10)

0.891

Pre-treatment severity

    

1.44 (0.98–2.12)

0.061

Comorbid mood disorders

    

3.26 (0.93–11.38)

0.064

Maternal psychopathology

    

1.04 (1.00–1.09)

0.066

  1. Abbreviations: CI, confidence interval; NGF, nerve growth factor. Bold values indicate P<0.05.