Table 2. Odds of Perceptions of Water Safety and Tap Water Consumption, Santa Clara County Dietary Practices Survey, 2011 (N = 306).
| Characteristic | Thinks Bottled Water is Safer |
Primarily Drinks Tap Water |
||||
|---|---|---|---|---|---|---|
| OR (95% CI) | P Value | OR (95% CI) | P Value | OR (95% CI) | P Value | |
| Sex | ||||||
| Male | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | — |
| Female | 0.79 (0.39–1.58) | .497 | 0.75 (0.38–1.49) | 0.413 | 0.76 (0.37–1.57) | .46 |
| Age, y | ||||||
| 18–44 | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | — |
| 45–64 | 1.44 (0.67–3.09) | .354 | 0.53 (0.23–1.22) | 0.134 | 0.58 (0.25–1.37) | .21 |
| ≥65 | 0.85 (0.29–2.46) | .758 | 0.74 (0.29–1.92) | 0.533 | 0.91 (0.36–2.30) | .84 |
| Education | ||||||
| High school graduate or less | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | — |
| Some college, associate’s degree, or more | 0.32 (0.11–0.91 | .033 | 2.26 (0.65–7.92) | 0.201 | 2.10 (0.57–7.81) | .27 |
| Nativity | ||||||
| US-born | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | — |
| Foreign-born | 2.06 (0.89–4.77) | .092 | 0.43 (0.18–1.04 | 0.060 | 0.48 (0.20–1.15) | .10 |
| Income, $ | ||||||
| <50,000 | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | – |
| ≥50,000 or higher | 0.75 (0.27–2.14) | .595 | 0.69 (0.27–1.79) | 0.443 | 0.66 (0.25–1.78) | .41 |
| Race | ||||||
| Non-Hispanic white | 1 [Reference] | — | 1 [Reference] | — | 1 [Reference] | — |
| Hispanic | 0.50 (0.11–2.27) | .366 | 0.36 (0.13–1.02 | 0.055 | 0.33 (0.11–0.99) | .048 |
| Other | 3.49 (1.46–8.29) | .005 | 1.29 (0.47–3.53 | 0.617 | 2.31 (0.76–7.07) | .14 |
| Water safety | ||||||
| Does not think bottled water is safer | — | — | — | — | 1 [Reference] | — |
| Thinks bottled water is safer | — | — | — | — | 0.28 (0.12–0.62) | .002 |
Abbreviation: —, not applicable.