Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Missing and spurious interaction in additive, multiplicative and odds
  ratio models   Additive, multiplicative, and odd ratio neutral models for interactions are
for long advocated and controversial in epidemiology. We show here that these
commonly advocated models are biased, leading to spurious interactions, and
missing true interactions.

35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
21
The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
2
The categories of this paper are: math
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph