Perbedaan Rerata Nilai Kapasitas Vital Paksa (KVP) Pada Kebiasaan Merokok dan Olahraga Mahasiswa Universitas Muhammadiyah Surakarta

Background: One of the important parameters used to describe lung function in spirometry is Forced Vital Capacity (FVC). The mean values of FVC will increase in people who regularly exercises and decrease in people who have smoking habits. Objective: This study aims to determine the difference mean values of FVC in smoking and exercise habits on Universitas Muhammadiyah Surakarta’s students. Method: This research was nonexperimental observational analytic with cross sectional design. The sample was chosen by purposive sampling method, using 124 samples, divided into four sample groups. The data were taken with spirometer tools and analyzed by anova two-way test on SPPS 24. Results: The mean values of FVC in athlete-smoker group was 2,71 liters, in athlete- nonsmoker group was 3.29 liters, in nonathlete-smoker group was 2.59 liters, and in nonathlete-nonsmoker group was 3.20 liters. Two way anova test showed mean values difference of FVC on smoking habit (p = 0,000) and no difference on exercise (p = 0,278). The interaction between smoking and exercise habits showed no significant results (p = 0.858). Conclusion: The influence of smoking habits showed difference in mean values of FVC, whereas exercise habits did not show any significant difference in mean values of FVC. The interaction between smoking and exercise habits was not statistically significant in Universitas Muhammadiyah Surakarta’s students