Assessment of Noise Level in Christian Religious Centers in Obio/Akpor Lga in Rivers State

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@article{1724216,
      author = {Ohonsi L. I., Ossia C.V., Ugwoha E.},
      title = {Assessment of Noise Level in Christian Religious Centers in Obio/Akpor Lga in Rivers State},
      journal = {Iconic Research And Engineering Journals},
      year = {2026},
      volume = {10},
      number = {4},
      pages = {3259-3270},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1724216.pdf},
      abstract = {This study assessed noise pollution from Christian religious centers in Obio/Akpor Local Government Area, Rivers State, Nigeria, where rapid urbanization has created an unprecedented density of over 1,900 worship sites interspersed with residential neighborhoods. A cross-sectional mixed-methods design was employed, measuring noise levels in 25 strategically selected churches representing Pentecostal, Protestant, and Orthodox denominations. Using a calibrated sound level meter, 75 readings were taken across background (non-worship), indoor service, and 50m external zones, capturing LAeq, Lmax, Lmin, L10, L50, and L90 parameters. Results indicated background noise averaging 53.21 dBA (SD=3.82), with 28% exceeding NESREA/WHO 55 dBA limits. Indoor service levels averaged 99.02 dBA (SD=10.44), with all 25 churches (100%) exceeding permissible limits, while external levels averaged 84.88 dBA (SD=9.74), also demonstrating 100% exceedance. Church X recorded the highest indoor levels at 113.03 dBA mean and 120.50 dBA peak. Percentile analysis revealed indoor L10 of 111.94 dBA, L50 of 100.70 dBA, and L90 of 84.20 dBA. Pollution Index values averaged 180.04% indoors (range: 151.03–205.52%) and 154.33% outdoors (range: 124.30–188.24%), categorizing all sites as severely polluted. Attenuation averaged 14.14 dB (range: 5.70–24.67 dB), with a significant paired t-test result (t=13.42, p<0.001). Strong indoor-outdoor correlation (r=0.87, p<0.01) confirmed direct noise spillover. Denominational analysis via t-test revealed significantly higher noise in Pentecostal centers (mean=108.76 dBA) compared to Catholic/Conservative churches (mean=85.08 dBA) (p<0.001). Structured questionnaires from 344 respondents yielded high perception indices for noise generation (3.82/5.00), health impacts including hearing risks (3.99/5.00) and stress (3.67/5.00), and community disturbance (3.79/5.00), yet moderate regulatory awareness (3.45/5.00). Grounded in socio-environmental theories, findings expose cultural rationalizations clashing with public health realities. The study recommends NESREA enforcement, acoustic retrofits, and denomination-specific guidelines to balance religious freedom with sustainable urban health.},
      keywords = {Christian religious center; noise pollution; noise level; environment; Obio/Akpor},
      month = {October},
      doi = {https://doi.org/10.64388/IREV10I4-1724216}
  }