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. 2024 Nov 13;9(11):275. doi: 10.3390/tropicalmed9110275

Table 7.

The most important weights for the influence and intervention indicators.

Indicator Mean of Importance Score (±SD) Coefficient of Variation Delphi Weight Entropy Weight Comprehensive Weight
Zimbabwean Experts Chinese Experts Other Inter-National Experts All Experts
Primary indicators
Influencing factors 4.833 (±0.389) 4.889 (±0.333) 5.000 (±0.000) 4.875 (±0.338) 0.069 0.502 0.508 0.5050
Intervention measures 4.833 (±0.389) 4.778 (±0.441) 5.000 (±0.000) 4.833 (±0.381) 0.079 0.498 0.492 0.4950
Secondary indicators
Socioeconomic factors 4.750 (±0.452) 4.556 (±0.527) 4.000 (±0.000) 4.583 (±0.504) 0.110 0.164 0.172 0.1675
Natural environment 4.750 (±0.452) 4.667 (±0.500) 5.000 (±0.000) 4.750 (±0.442) 0.093 0.169 0.170 0.1696
Biological factors 4.917 (±0.289) 4.667 (±0.500) 4.667 (±0.577) 4.792 (±0.415) 0.087 0.171 0.166 0.1684
Human behavioral factors 4.833 (±0.389) 4.778 (±0.441) 4.667 (±0.577) 4.792 (±0.415) 0.087 0.171 0.168 0.1694
Administrative-level interventions 4.667 (±0.492) 4.667 (±0.707) 4.667 (±0.577) 4.667 (±0.565) 0.121 0.166 0.166 0.1657
Individual-level interventions 4.667 (±0.888) 4.222 (±0.667) 4.333 (±0.577) 4.458 (±0.779) 0.175 0.160 0.159 0.1593
Tertiary indicators
Economic resources 4.500 (±0.905) 4.333 (±0.707) 4.667 (±0.577) 4.458 (±0.779) 0.175 0.025 0.026 0.0255
Population density 4.500 (±0.798) 3.667 (±0.707) 4.000 (±1.000) 4.125 (±0.850) 0.206 0.023 0.025 0.0242
Remoteness of residence 4.000 (±1.595) 3.667 (±0.866) 4.667 (±0.577) 3.958 (±1.268) 0.320 0.022 0.022 0.0223
Accessibility of healthcare 4.750 (±0.452) 4.667 (±0.500) 5.000 (±0.000) 4.750 (±0.442) 0.093 0.027 0.026 0.0263
Accessibility of safe water 5.000 (±0.000) 4.667 (±0.500) 5.000 (±0.000) 4.875 (±0.338) 0.069 0.027 0.026 0.0269
Occupational factors 4.833 (±0.389) 3.778 (±0.667) 3.667 (±0.577) 4.292 (±0.751) 0.175 0.024 0.025 0.0245
Age 4.750 (±0.452) 3.667 (±1.118) 3.667 (±0.577) 4.208 (±0.932) 0.221 0.024 0.025 0.0241
Temperature 4.750 (±0.452) 4.222 (±0.833) 4.333 (±1.155) 4.500 (±0.722) 0.161 0.025 0.025 0.0249
Precipitation 4.167 (±1.337) 4.222 (±0.833) 4.333 (±1.155) 4.208 (±1.103) 0.262 0.024 0.024 0.0237
Distance to water bodies 4.750 (±0.452) 4.222 (±0.667) 4.667 (±0.577) 4.542 (±0.588) 0.130 0.025 0.025 0.0252
Schistosoma species (S. mansoni/S. haematobium) 4.583 (±0.793) 4.444 (±0.726) 4.000 (±1.000) 4.458 (±0.779) 0.175 0.025 0.025 0.0251
Lifespan of adult schistosomes 4.250 (±1.215) 3.778 (±1.641) 3.000 (±1.000) 3.917 (±1.381) 0.352 0.022 0.023 0.0224
Number of adult schistosomes 4.500 (±0.798) 4.000 (±1.118) 5.000 (±0.000) 4.375 (±0.924) 0.211 0.025 0.025 0.0246
Number of schistosome eggs excreted by humans 4.917 (±0.289) 4.222 (±0.667) 5.000 (±0.000) 4.667 (±0.565) 0.121 0.026 0.026 0.0259
Schistosome-contaminated water bodies 4.667 (±0.651) 4.556 (±0.527) 4.333 (±1.155) 4.583 (±0.654) 0.143 0.026 0.028 0.0266
Snail species (Biomphalaria/Bulinus) 4.833 (±0.389) 4.222 (±0.667) 4.333 (±1.155) 4.542 (±0.658) 0.145 0.026 0.025 0.0255
Snail density 4.917 (±0.289) 4.444 (±0.726) 4.333 (±0.577) 4.667 (±0.565) 0.121 0.026 0.025 0.0255
Miracidia infecting snails 4.583 (±0.515) 4.556 (±0.726) 4.000 (±1.732) 4.500 (±0.780) 0.173 0.025 0.025 0.0251
Snail lifespan 4.500 (±0.674) 4.000 (±1.000) 3.000 (±1.000) 4.125 (±0.947) 0.230 0.023 0.025 0.0239
Cercariae released by snails 4.667 (±0.651) 4.222 (±0.833) 4.333 (±1.155) 4.458 (±0.779) 0.175 0.025 0.024 0.0247
Cercariae infecting humans 4.833 (±0.389) 4.667 (±0.500) 4.000 (±1.732) 4.667 (±0.702) 0.150 0.026 0.025 0.0257
Human immunity 4.750 (±0.452) 4.111 (±0.928) 4.333 (±0.577) 4.458 (±0.721) 0.162 0.025 0.026 0.0254
Water exposure (infected) 5.000 (±0.000) 5.000 (±0.000) 5.000 (±0.000) 5.000 (±0.000) 0.000 0.028 0.027 0.0274
Outdoor defecation/urination 4.750 (±0.622) 4.667 (±0.500) 5.000 (±0.000) 4.750 (±0.532) 0.112 0.027 0.026 0.0262
Improved healthcare system 4.833 (±0.389) 4.667 (±0.500) 4.667 (±0.577) 4.750 (±0.442) 0.093 0.027 0.026 0.0265
National schistosomiasis control plans 4.917 (±0.289) 4.778 (±0.441) 5.000 (±0.000) 4.875 (±0.338) 0.069 0.027 0.027 0.0269
Dedicated funding 5.000 (±0.000) 4.667 (±0.500) 4.667 (±0.577) 4.833 (±0.381) 0.079 0.027 0.027 0.0270
Schistosomiasis surveillance system 4.917 (±0.289) 4.667 (±0.500) 5.000 (±0.000) 4.833 (±0.381) 0.079 0.027 0.026 0.0268
Diagnostic capacity 4.833 (±0.389) 4.778 (±0.441) 5.000 (±0.000) 4.833 (±0.381) 0.079 0.027 0.027 0.0270
Snail control 4.833 (±0.389) 4.444 (±0.527) 4.667 (±0.577) 4.667 (±0.482) 0.103 0.026 0.026 0.0260
Preventive chemotherapy (including MDA) 5.000 (±0.000) 4.556 (±0.726) 4.333 (±0.577) 4.750 (±0.532) 0.112 0.027 0.027 0.0266
Medication 5.000 (±0.000) 4.556 (±0.726) 4.000 (±1.000) 4.708 (±0.624) 0.133 0.026 0.027 0.0267
Health education 4.833 (±0.577) 4.667 (±0.500) 4.667 (±0.577) 4.750 (±0.532) 0.112 0.027 0.026 0.0264
WASH implementation 4.917 (±0.289) 4.667 (±0.500) 4.667 (±0.577) 4.792 (±0.415) 0.087 0.027 0.026 0.0264
Construction of water infrastructure 4.917 (±0.289) 4.667 (±0.500) 5.000 (±0.000) 4.833 (±0.381) 0.079 0.027 0.026 0.0267
Self-protective behavior 4.917 (±0.289) 4.556 (±0.527) 4.333 (±0.577) 4.708 (±0.464) 0.099 0.026 0.026 0.0264
Sanitary toilet usage 4.833 (±0.389) 4.667 (±0.500) 4.667 (±0.577) 4.750 (±0.442) 0.093 0.027 0.026 0.0265
Active healthcare seeking 4.833 (±0.389) 4.667 (±0.500) 3.333 (±1.155) 4.583 (±0.717) 0.156 0.026 0.026 0.0260
Medication adherence 4.917 (±0.289) 4.444 (±0.726) 5.000 (±0.000) 4.750 (±0.532) 0.112 0.027 0.026 0.0265

SD = standard deviation; WASH = water, sanitation and hygiene; MDA = mass drug administration.