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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: J Rural Health. 2015 Sep 6;32(2):204–218. doi: 10.1111/jrh.12141

Table 3.

Odds Ratios and 95% Confidence Intervals From Binary Logistic Regression Models Predicting Past-Year POM

Unadjusted Models Fully Adjusted Model Excluding Other Substance Use
UOR 95% CI P AOR 95% CI P AOR 95% CI P
Metropolitan Status (rural=ref)
 Small Urban 0.888 (0.721–1.094) .261 0.898 (0.694–1.161) .408 0.877 (0.699–1.100) .254
 Large Urban 0.782 (0.629–0.971) .026 0.742 (0.571–0.963) .025 0.758 (0.604–0.950) .017
INDIVIDUAL CIRCUMSTANCES
Demographic Characteristics
Age 1.378 (1.323–1.434) <.001 1.024 (0.963–1.088) .449 1.109 (1.050–1.172) <.001
Sex (Female) 1.137 (1.005–1.286) .041 1.180 (1.016–1.371) .030 1.313 (1.137–1.517) <.001
Race/Ethnicity (white=ref)
 Non-Hispanic black 0.937 (0.781–1.124) .481 1.272 (1.038–1.559) .021 0.858 (0.699–1.053) .141
 Hispanic 0.945 (0.790–1.131) .535 1.015 (0.798–1.293) .900 0.855 (0.699–1.060) .152
 Other Race 0.641 (0.467–0.881) .007 0.780 (0.571–1.065) .117 0.733 (0.536–1.002) .051
Number of people in household 0.924 (0.068–0.983) .013 1.031 (0.957–1.112) .420 1.015 (0.948–1.086) .675
Socioeconomic Status
Family Income (annual) (> $75,000=ref)
 < $20,000 1.590 (1.347–1.977) <.001 1.082 (0.802–1.460) .604 1.030 (0.787–1.348) .829
 $20,000 < $40,000 1.478 (1.259–1.735) <.001 1.077 (0.846–1.371) .543 1.078 (0.876–1.327) .475
 $40,000 < $75,000 1.320 (1.117–1.560) .001 1.092 (0.883–1.350) .413 1.107 (0.915–1.339) .293
Family receives public assistance 1.313 (1.150–1.499) <.001 0.984 (0.792–1.223) .883 0.994 (0.816–1.211) .952
Has health insurance 0.775 (0.593–1.012) .061 0.937 (0.661–1.330) .714 0.942 (0.680–1.305) .717
Delinquency and other Substance Use
Ever been arrested and booked 5.056 (4.224–6.051) <.001 1.202 (0.950–1.521) .123 1.703 (1.369–2.118) <.001
Criminal behavior in past year 4.738 (4.151–5.409) <.001 1.761 (1.484–2.090) <.001 2.321 (1.978–2.723) <.001
Perceived substance use risk 0.923 (0.914–0.931) <.001 0.979 (0.965–0.993) .005 0.953 (0.942–0.965) <.001
Smokes avg. of 1+ cig/day 11.130 (9.429–13.139) <.001 1.521 (1.197–1.933) .001 ----- ----- -----
Binge drinker in past year 7.743 (6.551–9.153) <.001 1.445 (1.142–1.829) .002 ----- ----- -----
Marijuana use in past year 10.548 (9.334–11.919) <.001 2.462 (2.022–2.999) <.001 ----- ----- -----
Illicit drug use in past year 13.528 (11.48–15.94) <.001 2.224 (1.770–2.793) <.001 ----- ----- -----
Misuse of non-opioid medications in past-year 36.560 (29.83–44.80) <.001 6.992 (5.598–8.733) <.001 ----- ----- -----
Clinical Characteristics
Poor/fair self-rated health 2.118 (1.619–2.771) <.001 1.299 (0.925–1.826) .130 1.302 (0.952–1.779) .098
Depressive episode past year 3.036 (2.589–3.560) <.001 1.469 (1.191–1.812) <.001 1.615 (1.332–1.959) <.001
Anxiety in past year 3.690 (2.957–4.605) <.001 0.967 (0.698–1.338) .838 1.311 (1.021–1.684) .034
Treated in ER in past year 1.703 (1.503–1.930) <.001 1.259 (1.068–1.485) .007 1.210 (1.046–1.401) .011
Hospitalized for emotional treatment in past year 3.713 (2.688–5.130) <.001 1.480 (1.009–2.172) .045 1.566 (1.087–2.257) .017
SOCIAL FACTORS
Both parents living in household 0.688 (0.595–0.796) <.001 0.953 (0.770–1.180) .658 0.934 (0.762–1.144) .507
Parenting involvement index 0.891 (0.877–0.905) <.001 0.985 (0.964–1.006) .165 0.981 (0.963–1.000) .051
Parents’ attitudes toward substance use index 0.743 (0.721–0.764) <.001 0.970 (0.932–1.010) .135 0.916 (0.887–0.947) <.001
School connectedness index 0.926 (0.914–0.939) <.001 1.005 (0.983–1.029) .643 1.006 (0.985–1.027) .578
Participation in school, comm, faith-based act. in past year 0.550 (0.445–0.681) <.001 1.360 (0.993–1.861) .055 1.092 (0.848–1.407) .492
School-based prevention classes or activities in past year 0.784 (0.677–0.909) .001 0.921 (0.770–1.101) .361 0.940 (0.793–1.114) .471
Peer substance use index 1.322 (1.282–1.362) <.001 1.055 (1.013–1.099) .010 1.077 (1.040–1.116) <.001
Friends’ attitudes toward substance use index 0.755 (0.739–0.771) <.001 0.978 (0.948–1.010) .175 0.916 (0.891–0.943) <.001
Religious service attendance in past year (≥ 25 times=ref)
 ≤ 2 times 1.882 (1.564–2.265) <.001 1.024 (0.817–1.283) .837 1.078 (0.867–1.341) .496
 3 ≤ 24 times 1.608 (1.294–1.998) <.001 1.034 (0.808–1.322) .790 1.150 (0.908–1.458) .244
Religious belief importance index 0.849 (0.828–0.870) <.001 0.987 (0.956–1.018) .396 0.971 (0.944–0.999) .042
Lack of social/emotional support 2.414 (1.896–3.074) <.001 1.139 (0.816–1.590) .441 1.093 (0.832–1.435) .520
Moved in past 5 years 1.409 (1.247–1.592) <.001 1.011 (0.872–1.173) .881 1.044 (0.902–1.210) .558
COMMUNITY AND ENVIRONMENTAL INFLUENCES
Approached by someone selling illicit drugs in past 30 days 5.605 (4.860–6.463) <.001 1.114 (0.916–1.356) .278 1.953 (1.657–2.302) <.001
Illicit drug access index 1.124 (1.111–1.138) <.001 1.025 (1.008–1.042) .005 1.034 (1.019–1.049) <.001
Participated in prevention/counseling prog past year 0.966 (0.848–1.100) .848 1.025 (0.876–1.198) .756 0.971 (0.839–1.244) .695
Exposure to drug/alcohol prevention messages outside of school in past year 0.835 (0.706–0.988) .036 0.883 (0.726–1.074) .210 0.931 (0.773–1.121) .448

N=32,036; weighted

UOR = Unadjusted Odds Ratio; AOR = Adjusted Odds Ratio; CI = Confidence Interval; 2-tailed tests