Table 4. Results of working conditions assessments in the workplace of the informal sector groups before and after improvement.
| Informal sector workers | Working conditions | Process | Before Mean (SD) | After Mean (SD) | Standard |
|---|---|---|---|---|---|
| Ceramic making | Thermal condition(C°) | 1) Dry bulb(n=3) | 29.8 (0.057) | 26.7 (0.100) | - |
| 2) Dry bulb(n=3) | 35.2 (0.057) | 30.8 (0.100) | - | ||
| 3) Glove(n=3) | 43.1 (0.321) | 32.3 (0.152) | - | ||
| 4) WBGT Index(n=3) | 33.3 (0.057) | 28.0 (0.288) | - | ||
| Plastic weaving | Lighting (lux) (lux) | 1) Plastic cutting(n=3) | 742 (3.214) | 905 (0.587) | 400* |
| 2) Plastic weaving(n=3) | 750 (0.577) | 915 (1.000) | 800* | ||
| Blanket making | Lighting (lux) (lux) | 1) Cloth cutting(n=3) | 450 (4.041) | 905 (0.577) | 400* |
| 2) Putting stuff material(n=3) | 400 (1.527) | 910 (3.005) | 400* | ||
| 3) Blanket sewing(n=3) | 420 (3.511) | 900 (2.000) | 800* | ||
| Pandanus weaving | Lighting (lux) (lux) | 1) Pandanus clipping(n=3 | 450 (4.041) | 905 (0.577) | 400* |
| 2) Ironing(n=3) | 660 (0.577) | 855 (4.725) | 400* | ||
| 3) Soaking/Drying(n=3) | 657 (3.214) | 860 (0.577) | 400* | ||
| 4) Weaving | 665 (2.081) | 880 (0.577) | 800* |
Remark: *Ministerial Regulation, Specification of occupational safety, health and working condition management standards (heat, light and noise), date 16th February B.E.2006.