Table 2.
Background of the participants and use of bath tablets.
| Items | Participants | ||
|---|---|---|---|
| NBIW | Control | p value | |
| Number of participants | 26 | 27 | – |
| Male/female | 13/13 | 14/13 | 0.893 |
| Age, mean (SD), y | 46.8 (8.5) | 46.8 (6.5) | 0.676 |
| Drinks alcohol, yes/no | 12/15 | 16/10 | 0.213 |
| Current smoker, smoker/nonsmoker (of which smoked in the past) | 1/24 (3) | 0/27 (5) | 0.304 |
| Regular exercise, yes/no | 9/18 | 13/13 | 0.218 |
| Percentage use of bath tablets, mean (SD) | 98.2 (4.2) | 99.6 (1.5) | 0.240 |
| Bathing time, mean (SD), min | 22.8 (7.4) | 24.4 (6.6) | 0.254 |
NBIW neutral bicarbonate ionized water.
No significant difference was found between control and NBIW groups in any item.
Age, use of test sample, bathing time: Wilcoxon rank sum test.
Other items: Chi-square test.