Table 4 Mean working hours, period of use of protective devices and morning blood pressure of workers on the days of intervention (n = 19).
Day of intervention | Mean no. of hours Worked | Mean no. of hours masks used | Mean no. of hours glasses used | Mean Systolic Blood Pressure (mm Hg) | Mean Diastolic Blood Pressure (mm Hg) |
|---|---|---|---|---|---|
Day 1 | 6.2 ± 0.5 | 3.9 ± 1.0 | 4.8 ± 0.8 | 127.8 ± 11.1 | 80.7 ± 8.8 |
Day 2 | 10.0 ± 1.4 | 5.5 ± 1.5 | 6.5 ± 1.6 | 127.8 ± 11.8 | 80.6 ± 12.8 |
Day 3 | 9.7 ± 1.8 | 4.6 ± 1.3 | 5.2 ± 1.9 | 123.4 ± 10.3 | 76.4 ± 8.6 |
Day 4 | 7.9 ± 0.5 | 4.4 ± 1.9 | 4.8 ± 1.3 | 117.5 ± 9.9 | 62.6 ± 7.8 |
Day 5 | 9.3 ± 0.9 | 4.2 ± 1.1 | 4.5 ± 0.9 | 113.8 ± 7.0 | 63.8 ± 8.0 |
Day 6 | 9.1 ± 1.3 | 4.8 ± 1.4 | 5.2 ± 1.5 | 114.6 ± 6.5 | 63.0 ± 5.5 |
Total | 8.7 ± 1.7 | 4.6 ± 1.5 | 5.1 ± 1.5 |