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The Relationship Between Body Mass Index, Work Period and Smoking With Low Back Pain Complaints Among Ironworkers in Babakan Village, Mataram City in 2025 Aqilatunisa; Wayan Tunjung, I; Pebruanto, Henry; Deny Sutrisna Wiatma
International Journal of Health and Pharmaceutical (IJHP) Vol. 6 No. 1 (2026): February 2026
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijhp.v6i1.544

Abstract

Background: Low Back Pain (LBP) is a common musculoskeletal disorder among informal sector workers, including blacksmith workers, due to heavy physical workloads and non-ergonomic working postures. Individual factors such as Body Mass Index (BMI), length of employment, and smoking habits are suspected to increase the risk of LBP. Methods: This was an observational analytic study with a cross-sectional design. A total of 51 blacksmith workers were selected using purposive sampling based on inclusion and exclusion criteria. Data were collected through anthropometric measurements, the Nordic Body Map questionnaire, and a smoking habits questionnaire. Data analysis was performed using univariate and bivariate analyses with the Chi-Square test at a significance level of α = 0.05. Results: A significant association was found between BMI and low back pain complaints (p = 0.001; PR = 7,073; 95% CI: 1,090–45,883). Length of employment was also significantly associated with low back pain complaints (p = 0.004; PR = 3,850; 95% CI: 1.081–13.708). However, smoking habits were not significantly associated with low back pain complaints (p-value = 0.154; 95% CI: 1.039–2.338; PR: 1.558). Conclusion: Body Mass Index and length of employment are significantly associated with low back pain complaints among blacksmith workers, while smoking habits show no significant association. Preventive efforts should focus on weight control and regulation of work duration and workload.
PSYCHOSOCIAL DETERMINANTS OF PHYSICAL ACTIVITY AMONG ADOLESCENTS AT SMAN 1 MATARAM: PERCEPTION, SELF-EFFICACY, AND CUES TO ACTION Juliantini, Ni Putu Liska; Anulus, Ayu; S., Aulia Mahdaniyati; Pebruanto, Henry
International Journal of Health Science & Medical Research Vol 5, No 2 (2026): August 2026
Publisher : UNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/ijhsmr.v5i2.37195

Abstract

Physical activity among adolescents plays an important role in maintaining health and preventing future health problems. However, adolescents’ levels of physical activity still tend to vary and are influenced by psychosocial factors. The novelty of this study lies in the comprehensive application of the Health Belief Model to analyse factors related to physical activity in high school students in Mataram City. The purpose of this study was to determine the relationships among the Health Belief Model constructs (perceived susceptibility, perceived severity, perceived benefits, perceived barriers, self-efficacy, and cues to action) and students’ levels of physical activity at SMAN 1 Mataram City. The research used an observational-analytical design with a cross-sectional approach, involving 310 respondents selected via a total sampling technique, and analyzed the data using the Spearman correlation test. The results showed that perceived susceptibility, perceived severity, and perceived benefits were not significantly related to physical activity, while perceived barriers (rs = −0,25; P-value 0,001), self-efficacy (rs = 0,12; P-value = 0,029), and cues to action (rs = 0,11; P-value = 0,041) had a significant relationship with physical activity, although weak. The conclusion of this study shows that psychosocial factors, especially perceived barriers, self-efficacy, and motivation to act, play a greater role in influencing adolescent physical activity than perceived risks and benefits, so that interventions to increase physical activity in schools need to focus on strengthening self-efficacy, increasing cues to action, and reducing barriers perceived by students.