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Table 4 Pit latrine odour intensity and description

From: Are pit latrines in urban areas of Sub-Saharan Africa performing? A review of usage, filling, insects and odour nuisances

Source Location Smell description (%) Insect nuisance (%)
A Cotton, et al. [19] Ghana and Mozambique (Simple pit latrines and VIPs respectively) No smell (54 and 40) None/tens (91 and 90)
Slight smell (9 and 6) Hundreds (8 and 3)
Strong smell (37 and 51) Thousands (1 and 7)
J Kwiringira, et al. [37] Kampala’s slums Strong repugnant smell  
JV Garn, et al. [111] Kenyan schools Strong smell (25.6) Many flies (10)
A Nakagiri, et al. [65] Kampala’s slums No smell, (2) No flies (3)
Slight smell (35) Few flies (80)
Moderate smell (22) Many flies (17)
Strong smell (39)  
Very strong (1)  
K Afful, et al. [112] Kusumi, Ghana Extremely annoying (69 no)  
   Very annoying (55 no)  
   Annoying (30 no)  
   Some annoyance (18 no)  
   Definitely not annoying (1 no)