Indoor environment quality (IEQ) factors

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Question

What established or possible indoor environment quality (IEQ) factors exist? What kind of dose-responses have been defined for them?

Answer

Indoor environment quality (IEQ) factors(-)

Obs	Exposure metric	Response	Response metric	Exposure route	Exposure unit	ERF parameter	ERF	Significance	Description/Reference
1	Visible dampness and/or mold or mold odor	Respiratory health effect	Respiratory symptoms and diseases	Inhalation	yes/no	OR	several, see Note 1		Note 1
2	Dampness and/or mold	Depression		Inhalation, Other?					Note 2
3	Dampness and/or mold	Mental health problems		Inhalation, Other?					Note 2
4	Dampness and/or mold	Self-assessed health poorer		Inhalation, Other?					Note 2
5	Dampness and/or mold	Mental health problems		Inhalation	yes/no	OR	1,76 (1,17-2,66)		Hopton and Hunt (1996)
6	Chronic illness	Mental health problems		no	yes/no	OR	1,99 (1,32-3,02)		Hopton and Hunt (1996)
7	Wood smoke	Respiratory health effect	Respiratory symptoms and infections	Inhalation					Note 3, Note 4
8	Wood smoke	Irritation of eyes and mucosa
9	Wood smoke	Respiratory health effect	Asthma aggravating	Inhalation
10	Wood smoke	Odour problems		Inhalation
11	Wood smoke	Comfort of housing	Decreased comfort of housing
12	Wood smoke	Chronic infections		Inhalation
13	Wood smoke	Cancer		Inhalation
14	Tobacco smoke	Respiratory health effect	Respiratory symptoms and infections	Inhalation
15	Tobacco smoke	Irritation of eyes and mucosa
16	Tobacco smoke	Respiratory health effect	Asthma aggravating
17	Tobacco smoke	Odour problems		Inhalation
18	Tobacco smoke	Comfort of housing	Decreased comfort of housing
19	Tobacco smoke	Chronic infections		Inhalation
20	Tobacco smoke	Cancer
21	VOCs	irritation symptoms etc.
22	CO2	headache, tiredness etc.
23	CO	headache, tiredness etc.
24	Insufficient air exchange	Headache
25	Insufficient air exchange	Tiredness
26	Insufficient air exchange	Decreased ability to concentrate
27	Insufficient air exchange	Feeling of fug
28	Thermal conditions; heat	Tiredness
29	Thermal conditions; heat	Decreased ability to concentrate
30	Thermal conditions; heat	Increased respiratory symptoms
31	Thermal conditions; heat	Feeling of dryness
32	Thermal conditions; heat	Comfort of housing	Decreased comfort of housing
33	Thermal comfort (draught or cold)	Mental health problems							Note 2
34	Thermal comfort (heat or cold)	Depression							Note 2
35	Thermal comfort (heat or cold; general perception of thermal problems)	Self-assessed health poorer							Note 2
36	Thermal conditions (cold)	Feeling of draught
37	Thermal conditions (cold)	Comfort of housing	Decreased comfort of housing
38	Noise	Hearing injury
39	Noise	Sleep disturbance
40	Noise	Stress
41	Noise	Comfort of housing	Decreased comfort of housing
42	Proximity to traffic	Mortality(?)
43	Radon	Lung cancer							Note 5
44	Relative humidity
45	PM	mortality							Note 3
46	PM	chronic bronchitis
47	PM	lung cancer
48	Reduced space (house/flat)	Depression							Note 2
49	Reduced space (house/flat)	Mental health problems							Note 2
50	Reduced space (house/flat)	Self-assessed health poorer							Note 2
51	Garden	Depression							Note 2
52	Floor level	Mental health problems							Note 2
53	Overcrowding	Mental health problems							Note 2
54	Overcrowding	Self assessed health poorer							Note 2
55	Sensory IAQ	Various health and well-being parameters
56	Maternal employment	Maltreatment of Children		Other	yes/no	OR	2.82 (1.59 - 5.00)		Sidebotham et al. 2002
57	No. of house moves in previous 5 years	Maltreatment of Children		Other	2-3	OR	1.32 (0.77 - 2.27)		Sidebotham et al. 2002
58	No. of house moves in previous 5 years	Maltreatment of Children		Other	4 or more	OR	2.81 (1.59 - 4.96)		Sidebotham et al. 2002
59	Accomodation	Maltreatment of Children		Other	overcrowed	OR	2.16		Sidebotham et al. 2002
60	Accomodation	Maltreatment of Children		Other	Council	OR	7.65		Sidebotham et al. 2002
61	Accomodation	Maltreatment of Children		Other	Rented	OR	4.47		Sidebotham et al. 2002
62	Social Network Score	Maltreatment of Children		Other	<21	OR	3.09 (1.84 - 5.19)		Sidebotham et al. 2002
63	Parental unemployement	Maltreatment of Children		Other	yes/no	OR	2.33		Sidebotham et al. 2002
64	Car use	Maltreatment of Children		Other	yes/no	OR	2.23		Sidebotham et al. 2002

Note 1 ERF of indoor dampness on respiratory health effects

Note 2 WP6 well-being report (password-protected)

Note 3 ERF of PM2.5 on mortality in general population

Note 4 Concentration-response to PM2.5

Note 5 Health impact of radon in Europe

Rationale

An example for RefTaq functionality: Pope et al. (2002)

Juho Kutvonen and Salla Mönkkönen Hopton and Hunt (1996)

Isabell Rumrich and Stefania Caporaso Sidebotham et al. (2002)

Precision and Plausability of Hopton and Hunt (1996)

- We had problems with interpreting OR since authors of the article had not given OR to causalation between dampness and mental health problems. Instead they had given OR to causalation between dampness and General Health Questionnaire.

- Reporting bias: Perhaps ít´s difficult to use subjective data due to reporting bias. This is because people may answer in different ways or they don´t answer at all. In addition, people experience household conditions differently.

Precision and Plausability of Sidebotham et al. (2002)

- maltreatment: registration for physical injury, neglect, sexual abuse, emotional abuse

- social class: no allowance for nonworking mothers, no parental social class allocated for single mothers

- nature of relationship with child maltreatment is complex (confounder, cultural values, etc)

- income is not measured directly, but car ownership as a proxy indicator and receipt of welfare payment

- controlling for social factors

- large amount of prospectively collect data

- participation is lower among the maltreated group

- risk of social bias and no way of measuring the effect of such bias

Related files

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Indoor environment quality (IEQ) factors. Opasnet . [1]. Accessed 20 May 2024.