Table 2.
Descriptive statistics of each message type displayed on the hand sanitizer dispenser (mean and CI).
| N | Mean usage ratio | SD | Std. error | 95% CI for mean | ||
|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||
| Baseline | 460 | 21.24 | 9.85 | 0.459 | 20.34 | 22.14 |
| 1 | 24 | 21.89 | 11.96 | 2.44 | 16.84 | 26.94 |
| 2 | 37 | 23.66 | 10.62 | 1.75 | 20.15 | 27.23 |
| 3 | 44 | 22.91 | 10.02 | 1.51 | 19.86 | 25.95 |
| 4 | 29 | 19.73 | 10.23 | 1.90 | 15.84 | 23.62 |
| 5 | 25 | 23.12 | 9.94 | 1.99 | 19.02 | 27.22 |
| 6 | 32 | 25.13 | 9.16 | 1.62 | 21.83 | 28.43 |
| 7 | 33 | 23.53 | 12.22 | 2.13 | 19.20 | 27.86 |
| 8 | 31 | 20.97 | 10.16 | 1.83 | 17.24 | 24.70 |
| 9 | 30 | 22.66 | 10.04 | 1.83 | 18.91 | 26.41 |
| 10 | 37 | 20.81 | 10.13 | 1.67 | 17.43 | 24.19 |
| 11 | 29 | 24.78 | 10.62 | 1.97 | 20.74 | 28.82 |
| 12 | 34 | 23.93 | 9.64 | 1.66 | 20.56 | 27.29 |
| 13 | 29 | 21.47 | 10.06 | 1.87 | 17.65 | 25.23 |
| 14 | 30 | 19.08 | 9.51 | 1.74 | 15.53 | 22.63 |
| Total | 904 | 21.84 | 10.09 | 0.34 | 21.18 | 22.49 |