Additional file 1 of Comparison of methods for estimating the attributable risk in the context of survival analysis

Simulation results for the estimation of attributable risk A(.) under proportional hazards, constant baseline hazard (γ=1) with regression parameter β= ln(2) and probability of exposure q=0.25. (PDF 20.3 kb

Comparison of drug utilization, resolution of URTI symptoms and occurrence of potentially associated infections among types of medical practice^§.

§<p>Type of medical practice according to physicians' prescribing preferences: GP-CM, conventional medicine used as the category of reference; GP-Mx, mixed prescribing practice (conventional and homeopathic); GP-Ho, registered homeopathic physicians.</p>¥<p>Odds ratios and 95% confidence intervals obtained by logistic regression using GEE models adjusted for all variables in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0089990#pone-0089990-t002" target="_blank">Tables 2</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0089990#pone-0089990-t003" target="_blank">3</a>.</p

Baseline characteristics of patients with upper respiratory tract infections (URTI) by type of medical practice^§.

§<p>Type of medical practice according to physicians' prescribing preferences: GP-CM, conventional medicine; GP-Mx, mixed practice (conventional and homeopathic); GP-Ho, registered homeopathic physicians.</p>¥<p>Differences compared to participants statistically significant (p<0.05).</p><p>*Differences compared to the GP-CM group statistically significant (p<0.05).</p

Baseline clinical characteristics of upper respiratory tract infections (URTI) by type of medical practice^§.

§<p>Type of medical practice according to physicians' prescribing preferences: GP-CM, conventional medicine; GP-Mx, mixed prescribing practice (conventional and homeopathic); GP-Ho, registered homeopathic physicians.</p><p>*Difference statistically significant (p<0.05).</p