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Table 3 Determinants of behavioral compliance

From: Public response to the 2014 chemical spill in West Virginia: knowledge, opinions and behaviours

Independent Variables Single Predictors Models Ordinal Logistic Regression Models
IRR (95 % C.I.) Model 1 Model 2 Model 3
Living in the affected counties 5.8 [3.9–8.5] 6 [4–9] 6 [4–9.2] 5.7 [3.8–8.6]
Income
$15,000–$34,999 vs < $15,000 0.7 [0.3–1.1] 0.8 [0.3–1.9] 0.8 [0.4–1.7] 0.8 [0.4–1.6]
$35,000–$59,999 vs < $15,000 0.6 [0.3–1.1] 0.5 [0.2–1.2] 0.6 [0.3–1.3] 0.6 [0.3–1.4]
$60,000–$100,000 vs < $15,000 0.8 [0.4–1.4] 0.7 [0.3–1.5] 0.8 [0.3–1.7] 0.8 [0.4–1.7]
>$100,000 vs < $15,000 0.6 [0.3–1.2] 0.4 [0.2–1.1] 0.5 [0.2–1.3] 0.5 [0.2–1.2]
Timing of information 2.8 [1.4–5.5]   2.3 [1.2–4.6] 2.3 [1.2–4.5]
Risk perception
•Somewhat likely versus unlikely or very unlikely 1.3 [0.7–2.5]   1.1 [0.5–2.5] 1.2 [0.5–2.5]
•Very likely versus unlikely or very unlikely 2 [1.1–3.7]   2.3 [1.1–4.8] 2.4 [1.1–5]
Knowledge of recommended behaviors     1.8 [1–3.2]