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Assessment of Spirometric Interpretation Methods: A Comparison between Percent Predicted and GLI 2012 among Workers in the Silver Industry Helmy, Helina; Indarwati, Suami; Fikri, Ahkmad; Gultom, Tati Baina; Sutopo, Agus
Media of Health Research Vol. 4 No. 1 (2026): Media of Health Research, February 2026
Publisher : Lembaga Publikasi Ilmiah Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/mohr.v4i1.467

Abstract

Background: Occupational exposure to fine particulate matter (PM₂.₅) in small-scale silver industries increases the risk of respiratory impairment. Spirometry is widely used to assess lung function, but differences in interpretation methods may affect diagnostic accuracy. The conventional percent predicted (%Pred) method is still commonly applied, although the Global Lung Function Initiative (GLI) 2012 recommends a Z-score–based approach. Objective: This study compared lung function classification using the %Pred method and the GLI 2012 Z-score approach among silver industry workers. Methods: This analytical cross-sectional study involved 33 workers from large-scale and home-based silver industries. Spirometry measured forced expiratory volume in one second (FEV₁), forced vital capacity (FVC), and FEV₁/FVC ratio. Lung function was classified using both %Pred and GLI 2012 methods. Differences and agreement were analyzed using the McNemar test and Cohen’s Kappa. Results: The GLI 2012 method detected a higher proportion of restrictive impairment (36.4%) than the %Pred method (21.2%). Six workers (18.2%) were reclassified from normal (%Pred) to abnormal (GLI). A significant difference was found between methods (p = 0.041), with moderate agreement (κ = 0.586). No obstructive pattern was identified. Conclusion: The GLI 2012 Z-score method is more sensitive in detecting restrictive lung impairment than the %Pred approach. The %Pred method may underestimate abnormalities. Adoption of GLI-based interpretation can improve accuracy in occupational respiratory assessment.
Effect Of Chlorine Application In Simple Water Filtration Process On Iron Content Reduction In Groundwater Tati Baina Gultom; Wibowo Ady Sapta
PROFESSIONAL HEALTH JOURNAL Vol. 6 No. 1 (2024): December
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (PPPM) STIKES Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54832/phj.v6i1.804

Abstract

Chlorine Ca(OCl)2 is another compound of chlor that can also remove various kinds of organic and inorganic substances, where these substances have oxidizing and reducing abilities. Two-valence iron (Fe2+) contained in groundwater is caused by the dissolution of water that seeps into the soil, so that the groundwater contains ferrous bicarbonate [Fe(HC03)2], where the water when used will harm the user. This experimental study aims to determine the effect of the dose of chlorine as an oxide in a simple water filtration process on reducing iron (Fe) levels in groundwater using water samples from the borehole complex of the Tanjungkarang Health Polytechnic, Department of Environmental Health. The research was conducted in the laboratory of the Environmental Health Department of Tanjungkarang Health Polytechnic, by making several doses of chlorine treatment in 1,000 ml of raw water, namely P1 = 0.5 gr, P2 = 1.0 gr, P3 = 1.5 gr, P4 = 2.0 gr and P0 without chlorine as a control. The treatment process is carried out by dosing chlorine, stirring (V = 70 rpm, t = 5 minutes), settling (t = 5 minutes) and filtering with a sand filter (0 = 0.1 - 1.5 mm, h = 20 cm) at a discharge of 100 ml / minute. The research results from 5 experiments showed the following experimental results of chlorine 0.0 gr (70.00%); 0.5 gr (84%); 1.0 gr (90%); 1.5 gr (97%) and 2.0 gr (98%). The statistical test used is the analysis of variance, where the hypothesis of the experimental results is rejected, which means that there is a significant difference in the effect of dosage as an oxidizer in a simple water filtration process on reducing iron (Fe) content in groundwater. Further research is needed for maximum results
Edukasi Cuci Tangan Pakai Sabun & Pemasangan Sarana Cuci Tangan Percontohan di SDN 7 Gedong Tataan Pesawaran Lampung Tati Baina Gultom; Agus Sutopo; Haris Kadarusman
Jurnal Informasi Pengabdian Masyarakat Vol. 4 No. 2 (2026): Mei :Jurnal Informasi Pengabdian Masyarakat
Publisher : Institut Nalanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47861/jipm-nalanda.v4i2.2363

Abstract

Indonesian government is implementing the Free Nutritional Meal Program (MBG) in all schools in Indonesia. Washing hands with soap and running water (CTPS) is one of the keys to the success of the MBG program. Eating without clean hands can cause germs to enter, causing diseases such as diarrhea, digestive disorders and reducing the nutritional benefits of food, can even cause poisoning, so that CTPS before eating is an absolute requirement for health and the sustainability of the program. The objective of this activity is to educate students on proper handwashing with soap and running water (CTPS) as well as clean and healthy living practices (PHBS) at school, and to ensure the availability of adequate facilities and infrastructure for handwashing with soap and running water (CTPS) at SDN 7 Gedong Tataan, Pesawaran Regency, Lampung Province. The activity method uses a combination of counseling, demonstrations and direct practice. The results of this activity are increased knowledge among all students about handwashing with soap and running water (CTPS) and clean and healthy living behaviors (PHBS) at school as well as the installation of 3 (three) units of handwashing facilities at SDN 7 Gedong Tataan, Pesawaran Regency, Lampung Province. The students are enthusiastic and eager to practice directly the steps of handwashing with soap and running water (CTPS) and using the installed CTPS facilities. Overall, this activity had a positive impact on students of SDN 7 Gedong Tataan, Pesawaran Regency, Lampung Province.