Table 3.
Mean ratings (entire sample) and response frequencies (%) regarding health risk perception from air pollution and worry regarding health risks from air pollution and environmental factors for three groups exposed to different levels of air pollution, and results from group comparisons
| Mean | Exposure level | |||||
|---|---|---|---|---|---|---|
| How would you rate the risks to your own health caused by the following factorsa | Low | Medium | High | Chi2 | p value | |
| Traffic exhaustb | 2.58 | 86 (33.7) | 79 (31.0) | 90 (35.3) | 0.72 | 0.69 |
| Street dustb | 2.44 | 67 (32.1) | 60 (28.7) | 82 (39.2) | 4.04 | 0.13 |
| Industrial air pollutionb | 2.29 | 64 (31.8) | 63 (31.3) | 74 (36.8) | 1.09 | 0.58 |
| Health risks from air pollution make me worriedc | 3.45 | 184 (34.9) | 173 (32.8) | 170 (32.3) | 1.29 | 0.53 |
| How worried are you about health risks from the environment on you and your family?d | 2.86 | 105 (36.6) | 80 (27.9) | 102 (35.5) | 4.88 | 0.09 |
aRespondents who rated 4–5 on a 5-point scale, ranging from no risk (1) to very high risk (5)
bRepresenting perceived air pollution in the path analysis
cRespondents who rated 4–5 on a 5-point scale, ranging from strongly disagree (1) to strongly agree (5)
dRespondents who rated 4–5 on a 5-point scale, ranging from not at all worried (1) to very worried (5)