Table 7. Estimated household health hazard risks final rating (S_O,H), with red denoting highest risk hazards and green lowest risk hazards (with modal responses of Low, Medium, High and Severe for the likelihood of occurrence, O, and expected harm, H, noted in subscript).

	Hazard	Settlement type
		Planned	Urban villages	Unauthorised	JJ Clusters
Physiological requirements: Hygrothermal conditions, pollutants
1	Damp & mould	4M,M	6H,M	4M,M	6H,M
2	Heat	6M,H	9H,H	6M,H	12S,H
3	Cold	6M,H	9H,H	6M,H	9H,H
4	Particulate matter	9H,H	9H,H	9H,H	16S,S
5	Asbestos	3L,H	3L,H	3L,H	6M,H
6	Biocides	2L,M	2L,M	2L,M	2L,M
7	CO and combustion products	4M,M	4M,M	4M,M	4M,M
8	Uncombusted LPG	2L,M	2L,M	2L,M	2L,M
9	Lead	2L,M	2L,M	4M,M	4M,M
10	Radon	3L,H	3L,H	3L,H	3L,H
11	VOCs	4M,M	1L,L	1L,L	1L,L
Psychological impacts: Space, security, light & noise
12	Overcrowding	2L,M	6H,M	6H,M	6H,M
13	Entry by intruders	2L,M	2L,M	2L,M	2L,M
14	Inadequate lighting	1L,L	2M,L	2M,L	3H,L
15	Noise	2L,M	4M,M	4M,M	6H,M
Infections: Hygiene, sanitation & water supply
16	Vector-borne disease	2L,M	6M,H	6M,H	9H,H
17	Domestic hygiene	2L,M	6H,M	4M,M	6H,M
18	Food safety	2L,M	4M,M	4M,M	6H,M
19	Personal hygiene, sanitation and drainage	2L,M	6H,M	4M,M	6H,M
20	Water supply	2L,M	6H,M	6H,M	9H,H
Accidents: Falls, electric shocks, fires, burns & scalds, collisions, cuts & strains
21	Falls baths	1L,L	1L,L	1L,L	1L,L
22	Falls level surfaces	1L,L	2M,L	2M,L	2M,L
23	Falls on stairs	3L,H	4M,M	6M,H	6M,H
24	Falls between levels	2L,M	6M,H	3L,H	4M,M
25	Electrical shocks	2L,M	4M,M	4M,M	6H,M
26	Fire	3L,H	6M,H	3L,H	6M,H
27	Flames, hot surfaces	2L,M	4M,M	4M,M	6H,M
28	Collision, and entrapment	2L,M	2L,M	2L,M	2L,M
29	Explosions	4L,S	4L,S	4L,S	4L,S
30	Position and operability of amenities	1L,L	1L,L	1L,L	1L,L
31	Structural collapse and falling elements	3L,H	6M,H	3L,H	6M,H