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Correlation analysis of vaccination coverage, positivity rate, and community mobility rate on COVID-19 effective reproductive rate: SIR modeling study from Indonesia
Meirina Nur Asih Susanti1, Siti Nurrochmah2, Lucky Radita Alma3, Supriyadi Supriyadi41. State University of Malang , ID2. State University of Malang , ID3. State University of Malang , ID4. State University of Malang , ID2025-06-03|page 80-96AbstractBackground: Effective Reproduction Rate (Rt) is used to evaluate COVID-19 transmission; although Tegal City has the lowest cumulative cases in Central Java, the spread of the virus remains rapid. Intervention efforts are carried out through vaccination coverage, positivity rate, and level assessment as a shared responsibility to reduce the transmission rate.
Objectives: The purpose of this study was to estimate the spread of COVID-19 with the intervention and to determine whether there is a correlation between the COVID-19 Rt Number and vaccination coverage, positivity rate, and level assessment situation in Tegal City.
Methods: Observational quantitative research design. The type of research used was SIR (Susceptible Infected Removed) mathematical modeling and descriptive analysis through an ecological study approach and Spearman correlation statistical analysis.
Results: The results of the study showed a decrease in the number of cases of vulnerable and infected subpopulations after public health interventions, followed by the results that the positivity rate and level assessment situation were significantly correlated with the strength of the relationship powerful to the Covid-19 Effective Reproductive Rate with values (r=0.856; p=0.00) and (r=-0.712; p=0.00), while vaccination coverage was not statistically significantly correlated with a value of (r=-0.209; p=0.137).
Conclusions: The positivity rate and COVID-19 level assessment situation were statistically significantly correlated to the effective reproductive rate of COVID-19 in Tegal City with a strong correlation. Meanwhile, vaccination coverage did not correlate statistically with effective reproductive rate. Further studies must evaluate the effectiveness of combined interventions (vaccination + testing + mobility restriction) in various epidemiological settings.
APA Citation StyleSusanti, M. N. A. , Nurrochmah, S. , Alma, L. R. , & Supriyadi, S. (2025). Correlation analysis of vaccination coverage, positivity rate, and community mobility rate on COVID-19 effective reproductive rate: SIR modeling study from Indonesia. Public Health and Occupational Safety Journal, 80-96. https://doi.org/10.56003/phosj.v1i1.534 -
The relationship between quality and quantity of antenatal care services and stunting in children 24–59 months of age
Aulia Pramesti1, Hartati Eko Wardani2, Tika Dwi Tama3, Anindya Hapsari41. State University of Malang , ID2. State University of Malang , ID3. State University of Malang , ID4. State University of Malang , ID2025-06-14|page 97-113AbstractBackground: Stunting is a chronic nutritional problem whose causes include unmet nutrition in pregnant women, lack of infant nutritional intake, and socioeconomic conditions. Dinoyo Health Center covers an area with a high stunting rate in Malang City, particularly Lowokwaru District. Previous research stated that the dominant factor causing stunting in toddlers is antenatal care (ANC).
Objectives: This study aims to determine whether stunting in toddlers in the Dinoyo Community Health Center area is caused by the quality and quantity of ANC.
Methods: The research method is observational analytic with a case-control design using a retrospective approach. The population was 1643 mothers taken from three villages: Tlogomas, Dinoyo, and Sumbersari. The research sample amounted to 69 people using purpose sampling. The research was conducted in February - March 2023. Quality measurement was based on a minimum 10T service standard, while quantity measurement was based on a minimum frequency of 4 visits using a checklist sheet instrument and MCH book with Chi-Square analysis.
Results: The results obtained for ANC quality with stunting p-value = 0.609 with OR value = 1.30 (95% CI: 0.47-3.55), while ANC quantity with stunting p-value = 0.864 with OR value = 1.09 (95% CI: 0.40-2.97).
Conclusions: It is concluded that the quality and quantity of antenatal care have no association with the incidence of stunting in children under 24-59 months in the Dinoyo Community Health Center (Puskesmas) area. These findings highlight the need for multifactor interventions beyond ANC to reduce stunting, such as improved maternal nutrition and environmental sanitation.
APA Citation StylePramesti, A. , Wardani, H. E. , Tama, T. D. , & Hapsari, A. (2025). The relationship between quality and quantity of antenatal care services and stunting in children 24–59 months of age. Public Health and Occupational Safety Journal, 97-113. https://doi.org/10.56003/phosj.v1i1.539 -
Compliance with family planning and its association with quality of life among Meranaw women in rural Philippines
Maslainie Aliola1, Hamdoni Pangandaman21. Mindanao State University - Marawi, Lanao Del Sur, 9700, Philippines , PH2. Mindanao State University, Marawi City , PH2026-05-24|page 1-13AbstractBackground: The COVID-19 pandemic disrupted access to essential health services, including family planning (FP), particularly in rural and underserved communities. These disruptions may influence women’s reproductive practices and overall quality of life (QoL).
Objectives: This study aimed to determine the level of family planning compliance and examine its influence on the quality of life among Meranaw women during the COVID-19 pandemic.
Methods: A descriptive cross-sectional design was employed among 378 Meranaw women who were family planning users in selected municipalities of Lanao del Sur, Philippines. Data were collected from January to October 2022. A stratified random sampling technique was used based on municipal distribution to ensure proportional representation of respondents. A validated researcher-developed questionnaire assessed attitude- and practice-related compliance (CVI = 0.81–0.92; α = 0.79), while QoL was measured using the WHOQOL-BREF. Data were analyzed using descriptive statistics and multiple linear regression.
Results: Respondents demonstrated high compliance in both attitude (mean = 3.61) and practice (mean = 3.41) domains. Overall QoL was rated very satisfactory (mean = 5.72), with the highest scores in the psychological (mean = 5.89) and relational (mean = 5.85) domains. Multiple regression analysis revealed that age (β = .319, p < .001), monthly income (β = –.097, p = .008), number of children (β = .395, p < .001), duration of FP use (β = .092, p = .034), and type of FP method (β = .129, p < .001) significantly predicted QoL. The model explained a substantial proportion of variance (R² = 0.974), indicating strong predictive capacity.
Conclusions: Meranaw women demonstrated high compliance with family planning practices despite pandemic-related constraints, thereby significantly improving the quality of life. Sustaining family planning services during public health crises is essential to maintaining women’s well-being, particularly in rural and culturally distinct populations.
APA Citation StyleAliola, M. , & Pangandaman, H. (2026). Compliance with family planning and its association with quality of life among Meranaw women in rural Philippines. Public Health and Occupational Safety Journal, 1-13. https://doi.org/10.56003/phosj.v2i1.698
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