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Community knowledge, attitudes, and practices towards plastic pollution in Pujada Bay, Philippines: Relevance for UNESCO world heritage site nomination Cover

Community knowledge, attitudes, and practices towards plastic pollution in Pujada Bay, Philippines: Relevance for UNESCO world heritage site nomination

Environmental Protection and Natural Resources
AHEAD OF PRINT
By: Ricksterlie C. Verzosa,  Maria Angela A. Tagalog,  Jayson M. Baudon,  Jhonnel P. Villegas and  Emily S. Antonio  
Open Access
|Mar 2026
Figures & tables

Figures & Tables

Figure 1.

Map showing Pujada Bay and the study sites in the City of Mati, Davao Oriental, the PhilippinesSource: Global Administrative Areas, www.gadm.org

Figure 2.

Sociodemographic profile of respondents

Figure 3.

Levels of knowledge, attitudes, and practices (KAP) of coastal communities in the City of Mati

Kruskal-Wallis's test results for knowledge levels across respondents' socio–demographics

Socio-demographicsnMRHp
GenderMale168195.884.26.039*
Female198172.99
Age18–24 y/o58184.182.02.732
25–34 y/o84195.51
35–44 y/o50182.39
45–54 y/o86172.51
55–65 y/o88182.96
Educational AttainmentElementary level70179.4123.30<.001**
Elementary graduate29157.03
High School Level112177.66
High School graduate55148.50
College level64205.63
College graduate36245.08
OccupationProfessional/Public service33221.986.71.243
Sales/Service23173.30
Manual labor/Skilled trade100178.45
Self-employed/Freelance26181.12
Unemployed147175.74
Student37201.68
Household size4 members and below164175.994.11.127
5–8 members124199.15
9 members and above78174.40
Length of residency10 yrs and below127171.565.46.141
11–20 yrs118193.47
21–30 yrs60202.26
31–40 yrs61170.64

Kruskal-Wallis test results for practice levels across respondents' sociodemographic groups

Socio-demographicsnMRHp
GenderMale168188.59.72.396
Female198179.18
Age18–24 y/o58165.495.58.233
25–34 y/o84180.55
35–44 y/o50165.90
45–54 y/o86194.83
55–65 y/o88197.11
Educational AttainmentElementary level70198.754.18.523
Elementary graduate29163.07
High School Level112176.21
High School graduate55179.97
College level64181.80
College graduate36201.40
OccupationProfessional/Public service33212.953.76.584
Sales/Service23173.87
Manual labor/Skilled trade100182.03
Self-employed/Freelance26185.60
Unemployed147183.35
Student37166.32
Household size4 members and below164166.767.46.024*
5–8 members124196.56
9 members and above78197.92
Length of residency10 yrs and below127168.685.19.159
11–20 yrs118184.03
21–30 yrs60193.84
31–40 yrs61203.17

Kruskal-Wallis's test results for attitude levels across respondents' sociodemographic categories

Socio-demographicsnMRHp
GenderMale168200.288.68.003**
Female198169.27
Age18–24 y/o58170.136.92.140
25–34 y/o84175.63
35–44 y/o50166.35
45–54 y/o86189.36
55–65 y/o88203.85
Educational AttainmentElementary level70202.449.73.083
Elementary graduate29193.91
High School Level112171.35
High School graduate55162.53
College level64181.45
College graduate36211.76
OccupationProfessional/Public service33198.762.49.778
Sales/Service23176.48
Manual labor/Skilled trade100189.69
Self-employed/Freelance26192.81
Unemployed147178.74
Student37169.89
Household size4 members and below164165.8513.25.001**
5–8 members124209.10
9 members and above78179.91
Length of residency10 yrs and below127161.6510.93.012*
11–20 yrs118203.00
21–30 yrs60192.17
31–40 yrs61182.76
DOI: https://doi.org/10.2478/oszn-2026-0001 | Journal eISSN: 2353-8589 | Journal ISSN: 1230-7831
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Language: English
Published on: Mar 29, 2026
Published by: National Research Institute, Institute of Environmental Protection
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
microplastics,
plastic pollution,
protected area,
Pujada Bay,
world heritage site
Related subjects:
Life sciences,
Ecology

© 2026 Ricksterlie C. Verzosa, Maria Angela A. Tagalog, Jayson M. Baudon, Jhonnel P. Villegas, Emily S. Antonio, published by National Research Institute, Institute of Environmental Protection
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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