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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Addiction. 2018 Sep 25;114(1):127–136. doi: 10.1111/add.14418

Table 3.

Association of food security over the previous year with substance use outcome categories.a

Any illicit substance use
Cannabis use
Stimulant use
Opioid use
Prescription drug misuse
aOR 95% CI P-value aOR 95% CI P-value aOR 95% CI P-value aOR 95% CI P-value aOR 95% CI P-value
Current + previous food security (high ref)
Marginal 2.42 (1.31,4.46) 0.005 1.29 (0.75, 2.23) 0.350 2.00 (1.04, 3.87) 0.039 2.14 (0.60, 7.64) 0.240 2.19 (0.81, 5.96) 0.120
Low 2.80 (1.54, 5.11) 0.001 2.49 (1.44, 4.31) 0.001 2.81 (1.48 5.3 5) 0.002 4.01 (1.22, 13.13) 0.022 2.41 (0.97, 6.00) 0.058
Very low 5.64 (3.07, 10.37) < 0.001 2.79 (1.50, 5.20) 0.001 6.04 (3.18, 11.44) < 0.001 10.04 (3.00, 33.68) < 0.001 2.11 (0.81, 5.53) 0.123
a

Results are the exponentiated linear combinations of the natural log of the adjusted odds ratios (aOR) for current and prior food security within each level (i.e. marginal, low and very low) from Table 2, i.e. persistent FS = e^[ln aORcurrent) + In (aORprior)]. Estimates, confidence intervals and P-values obtained through post-estimation commands for linear combinations in Stata. CI = confidence interval.