<![CDATA[Introduction: Pulmonary function abnormalities are often underrecognized in the community, particularly in their early stages. This pilot study aimed to describe spirometry findings in a community setting and examine their associations with age, sex, body mass index (BMI), and smoking history. Methods: A pilot cross-sectional study was conducted among residents of Dukuh Kupang, Surabaya, during a community-based spirometry program. Fifty-eight participants were recruited consecutively. Variables included age group, sex, BMI category, smoking history, and spirometry results (normal, obstructive, restrictive, or mixed), which were further classified as normal versus abnormal. Data were obtained through structured interviews, anthropometric measurements, and spirometry testing. Associations were analyzed using the chi-square or Fisher–Freeman–Halton test, as appropriate. Result: Abnormal spirometry findings were identified in 32 of 58 participants (55.2%). Obstructive patterns were found in 36.2%, restrictive patterns in 13.8%, and mixed patterns in 5.2%. Abnormal results were significantly associated with age (p < 0.001), sex (p < 0.001), smoking history (p < 0.001), and BMI category (p = 0.009). Conclusion: This pilot community-based study identified a substantial proportion of pulmonary function abnormalities among residents of Dukuh Kupang, Surabaya. The findings support the potential value of spirometry as an early community-level tool for identifying pulmonary function abnormalities and informing targeted respiratory health strategies and follow-up planning.]]>
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