Table 4 Comparison of differences between medians of demographic subgroups pre- and posttest
From: Attitude changes following short-form opioid overdose video education: a pilot study
Subgroup variable | Groups | N | Mean rank | U score | z-score | p-value | |
|---|---|---|---|---|---|---|---|
Personal experience or relation to opioid abuse | No | 118 | Pretest | 96.33 | 4346.50 | − 3.45 | 0.001 |
Yes | 101 | 125.97 | |||||
No | 118 | Posttest | 103.42 | 5183.00 | − 1.66 | 0.096 | |
Yes | 101 | 117.68 | |||||
Employment in health care | No | 154 | Pretest | 91.11 | 2095.50 | − 6.80 | 0.000 |
Yes | 65 | 154.76 | |||||
No | 154 | Posttest | 96.83 | 2977.50 | − 4.74 | 0.000 | |
Yes | 65 | 141.19 | |||||
Previous naloxone training | No | 176 | Pretest | 92.49 | 701.50 | − 8.28 | 0.000 |
Yes | 43 | 181.69 | |||||
No | 176 | Posttest | 101.57 | 2301.00 | − 3.99 | 0.000 | |
Yes | 43 | 144.49 | |||||
Familiarity with naloxone | No | 56 | Pretest | 63.50 | 1960.00 | − 6.37 | 0.000 |
Yes | 163 | 125.98 | |||||
No | 56 | Posttest | 83.28 | 3067.50 | − 3.66 | 0.000 | |
Yes | 163 | 119.18 | |||||
Personal experience or relation to substance abuse | No | 65 | Pretest | 101.72 | 4467.00 | − 1.25 | 0.209 |
Yes | 154 | 113.49 | |||||
No | 65 | Posttest | 108.91 | 4934.00 | − 0.17 | 0.868 | |
Yes | 154 | 110.46 | |||||