Table 2Analysis of the characteristics of the Mail-to-Web and non-US IP address SM 1.0 responses in the National Cannabis Climate Survey

 Mail-to-Web sample
(n = 1,045)a		Non-US IP Address (Fraudulent) SM 1.0 responses
(n = 1,413)b
nMeannMean
Military health insurancec424.1%71250.4%
Having kids in all 3 age groupsd212.0%1,21686.1%
Self-employed11511.3%91364.6%
High while taking survey181.7%1,36696.7%
Received mail survey from someone else70.7%1,02072.2%
Polytobacco usee.0.25.4.92
Polycannabis usef.0.45.5.89
Discrepancy between opinions about daily/occasional useg585.6%56540.0%
Discrepancy between opinions about recreational/medical useh424.0%43030.4%
Legal to drive high535.1%1,34595.3%
Cannabis is more harmful than alcohol817.8%67451.1%
a

There was a significant difference between the Mail-to-Web sample and fraudulent SM 1.0 completes for all variables (P < 0.001).

b

Fraudulent SM 1.0 completes are participants who completed the survey and had IP addresses from outside of the United States.

c

Participants who endorsed using military, CHAMPUS, TriCare, or the VA for most of their medical care.

d

Participants who endorsed being the parent or guardian of a child (or children) ages 12 or younger, 13 to 17, and 18 to 21 (3 separate items).

e

Number of the following products that the participant reported using in the past 30 days: (1) cigarettes; (2) vapes; (3) cigars; (4) chewing tobacco, snuff, dip, or snus; (5) and hookah or waterpipe.

f

Number of the following products that the participant reported using in the past 30 days: (1) edible marijuana; (2) personal vaporizer, e-joint, or volcano to smoke dry marijuana plant matter; (3) personal vaporizer, e-joint, or volcano to smoke marijuana as hash, hash water, hash oil, or concentrates; and (4) blunt.

g

Participant had unintuitive responses for rating daily versus occasional cannabis use on one or more of the following scales: good/bad, dangerous/safe, or wrong/right.

h

Participant had unintuitive responses for rating medical versus recreational cannabis use on one or more of the following scales: good/bad, dangerous/safe, or wrong/right.

From: Modeling the Probability of Fraud in Social Media in a National Cannabis Survey

Cover of Modeling the Probability of Fraud in Social Media in a National Cannabis Survey
Modeling the Probability of Fraud in Social Media in a National Cannabis Survey [Internet].
Dutra LM, Farrelly MC, Bradfield B, et al.
Research Triangle Park (NC): RTI Press; 2021 Sep.
© 2021 Research Triangle Institute. All rights reserved.

This work is distributed under the terms of a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 license (CC BY-NC-ND), a copy of which is available at https://creativecommons.org/licenses/by-nc-nd/4.0

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.