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Journal : Amerta Nutrition

Pengaruh Konsumsi Vitamin C dan Konsumsi Air terhadap Kelelahan Subjektif pada Pekerja Perempuan Pembuatan Genting: The Impact of Vitamin C Intake and Water Consumption on Perceived Fatigue among Female Tile Workers Sahiroh, Eli; Denny, Hanifa M.; Setyaningsih, Yuliani; Lestantyo, Daru; Suroto, Suroto
Amerta Nutrition Vol. 9 No. 2 (2025): AMERTA NUTRITION (Bilingual Edition)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/amnt.v9i2.2025.355-361

Abstract

Background: The tile industry is known for its demanding nature, primarily due to the high energy requirements involved. The manual production methods necessitate significant physical exertion, including the lifting and transportation of heavy, large tiles. This can lead to fatigue as a result of lactic acid buildup in the muscles. Research indicates that burnout rates among workers in the tile industry can reach as high as 82%. Objectives: To analyze the effect of vitamin C consumption and drinking water consumption on perceived fatigue levels among female workers in the tile manufacturing sector. Methods: This research employed a quasi-experimental design, involving a sample of 52 female workers engaged in tile production for each group. Each group participated in an experimental procedure lasting 6 days, after which they were assessed for levels of fatigue. The independent variables examined were the intake of Vitamin C and water, while the dependent variable was the participants' subjective experience of fatigue. Subjective fatigue was quantified using the Work Fatigue Feelings Measurement Questionnaire (KAUPK2). The statistical methods applied included the Wilcoxon Test and the Kruskal-Wallis test. Results: The findings indicated that both Vitamin C intake and water consumption significantly influenced subjective fatigue levels before and after the intervention (p-value=0.000). Based on the results of the analysis before being given vitamin C, the subjective fatigue score was 51 after being given vitamin C, it dropped to 25. In contrast, before the introduction of drinking water, the subjective fatigue score was 48.23, which subsequently fell to 31.52 after water consumption. The analysis revealed a notable difference in the average subjective work fatigue scores post-intervention. Conclusions: The intake of Vitamin C and adequate water consumption effectively reduces subjective work fatigue among female tile-making workers. Consequently, it is recommended that industry owners ensure the provision of sufficient drinking water and Vitamin C for their employees.
Korelasi Indeks Massa Tubuh dan Pengetahuan Gizi terhadap Performa Kerja Guru Sekolah Dasar : Body Mass Index (BMI) and Nutritional Knowledge as well as the Correlation of Job Performance on Elementary School Teachers Lestantyo, Daru; Denny, Hanifa Maher; Suroto, Suroto; Jayanti, Siswi; Cahyaningrum, Dwi
Amerta Nutrition Vol. 9 No. 4 (2025): AMERTA NUTRITION (Bilingual Edition)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/amnt.v9i4.2025.557-566

Abstract

Background: Nutritional knowledge and BMI have a significant impact on the health level of an individual. Elementary school teachers are part of the professional workforce with a relatively high administrative and academic workload. Teachers are expected to have good nutritional knowledge about eating habits and healthy lifestyle choices. Research conducted in Bogor found that 57.0% of teachers were indicated to have obesity. The better the level of knowledge, it is expected to have an impact on BMI, enabling teachers to be more productive and always in optimum health condition at work. Objectives: This research aimed to analyze the Body Mass Index (BMI) and nutritional knowledge correlation with job performance Methods: Approximately 40 teachers of private elementary schools were used with a cross-sectional method. All Participants were teachers of private elementary school. We interviewed and measured participants for age, and nutritional awareness. Individual Work Performance Questionnaire (IWPQ) adapted for Indonesians was used. Statistical analysis was carried out using statistics application with Rank-Spearman method. Meanwhile, BMI data were collected through the measurement of the height and weight of participants. Results: This research showed the correlation between BMI and Job Performance. A correlation between nutritional knowledge and job performance was also reported. Good nutritional knowledge of school teachers should be delivered to students to change eating habits. This variable could also affect healthy life and achievement levels. Conclusions: BMI and nutritional knowledge were correlated with job performance. Furthermore, teachers were expected to provide healthy lifestyle education subjects to the students.