Table 2.

Change in the number of participants implementing activities of the ergonomic intervention (by the eight-month follow-up).

Ergonomic Intervention	PCD Group (n = 31) (%)	LD Group (n = 29) (%)	BSD Group (n = 29) (%)
• Conducting morning briefing	83.9	89.7	86.2
• Using ergonomic ladle (5 kg b/b capacity) when pouring molten metal into molds	80.6	82.8	62.1
• Implementing the standard operating procedures (SOPs) of the tools based on a comfortable work environment	74.2	58.6	37.9
• Implementing the SOPs of the proper production process	38.7	27.6	31.0
• Turning on the dust collector when disassembling the molds	9.7	17.2	-
• Muscle stretching during the 15 min active rest break	54.8	44.8	62.1
• Consuming nutritious food during the active rest break, according to the recommended calculations of the company based on body mass index (BMI)	71.0	75.9	69.0
• Inputting the daily production target on the display	16.1	-	72.4
• Using complete personal protective equipment (PPE)	6.5	-	20.7