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. 2015 Nov 25;18(5):1363–1370. doi: 10.1093/ntr/ntv263

Table 4.

Multivariable, Multilevel Logistic Regression of the Change in the Odds of Any Compliance Among Educational Institutions From Wave 1 to Wave 2 (2012 vs. 2013) Overall and Stratified by City Size, Adjusting for City- and School-Level Random Intercepts

Model 1 overall ( N = 553) Model 2 rural towns ( n = 198) Model 3 small cities a ( n = 115) Model 4 mid-sized cities a ( n = 120) Model 5 large cities a ( n = 120)
OR (95% CI) P b OR (95% CI) P b OR (95% CI) P b OR (95% CI) P b OR (95% CI) P b
Wave
 Wave 1 REF REF REF REF REF
 Wave 2 1.91 (1.31, 2.78) .001 1.07 (0.59, 1.92) .831 1.31 (0.51, 3.38) .578 10.92 (2.69, 44.31) .001 2.56 (1.05, 6.22) .038
City size a
 Rural REF
 Small cities 0.40 (0.14, 1.11) .080
 Mid-sized cities 0.33 (0.12, 0.91) .033
 Large cities 0.46 (0.17, 1.27) .134
Region
 North REF REF REF REF REF
 West 0.58 (0.18, 1.85) .355 0.94 (0.22, 3.95) .932 0.05 (0.01, 0.40) .005 14.21 (1.80, 112.06) .012 0.11 (0.02, 0.70) .019
 South 1.02 (0.38, 2.78) .966 0.93 (0.27, 3.21) .907 0.49 (0.12, 1.92) .303 1.44 (0.31, 6.64) .643 1.38 (0.31, 6.09) .667
 East 0.35 (0.11, 1.11) .075 0.55 (0.14, 2.22) .405 0.04 (0.004, 0.33) .003 4.34 (0.67, 28.07) .123 0.07 (0.01, 0.53) .009
Institution level
 Primary REF REF REF REF REF
 Secondary 1.99 (1.31, 3.01) .001 1.29 (0.69, 2.43) .429 4.02 (1.15, 14.01) .029 3.28 (0.94, 11.49) .063 2.26 (0.83, 6.10) .109
 College 1.59 (0.88, 2.85) .122 1.61 (0.55, 4.74) .385 2.03 (0.44, 9.36) .365 2.01 (0.42, 9.72) .384 1.67 (0.45, 6.22) .441
Institution type
 Private REF REF REF REF REF
 Public 1.05 (0.71, 1.55) .813 1.35 (0.71, 2.58) .359 0.98 (0.33, 2.92) .973 1.27 (0.43, 3.79) .667 0.80 (0.33, 1.94) .616

OR = odds ratio; CI = confidence interval.

a Small cities (fewer than half a million inhabitants), mid-sized cities (half a million to 1.9 million inhabitants), large cities (at least 2 million inhabitants).

b Bold typeface indicates P < .05.