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Table 3 Descriptive summary of the perceived situations where pollution affects the most (Q4), perceived vulnerable population groups to air pollution (Q5) and health topic of interest for more investigation (Q6) (N respondents = 488)

From: Co-creating a local environmental epidemiology study: the case of citizen science for investigating air pollution and related health risks in Barcelona, Spain

Questionsa Answers n % of responsesb % of casesc
Q4: In which situations do you perceive that air pollution affects you the most? While walking in the street 370 32.51 75.82
While going by bicycle 213 18.72 43.65
While walking with children 150 13.18 30.74
While doing outdoor sports 144 12.65 29.51
While traveling by metro 106 9.31 21.72
When I am at home 79 6.94 16.19
When I drive 48 4.22 9.84
When I am at work 15 1.32 3.07
Other 13 1.14 2.66
Total 1138 100 233.20
Q5: Are you worried about how air pollution affects any of these groups? Children 388 28.87 79.51
Elderly people 225 16.74 46.11
People with asthma or respiratory problems 220 16.37 45.08
Pregnant women 186 13.84 38.11
Pedestrians 131 9.75 26.84
People with allergies 91 6.77 18.65
Deliverymen using motorbike 41 3.05 8.40
Sportsmen/women 29 2.16 5.94
Other 19 1.41 3.89
Students 14 1.04 2.87
Total 1344 100 275.41
Q6: You would like to know how air pollution affects … Respiratory system 337 24.16 69.06
Concentration and development 191 13.69 39.14
Heart and arteries 173 12.40 35.45
Stress 167 11.97 34.22
Mental health 123 8.82 25.20
Ageing 121 8.67 24.80
Fertility / Reproductive system 75 5.38 15.37
Allergies 70 5.02 14.34
Digestive system 52 3.73 10.66
Hair / Skin 42 3.01 8.61
Sport performance 33 2.37 6.76
Other 11 0.79 2.25
Total 1395 100 285.86
  1. aQ4, Q5 and Q6 have no missing cases
  2. bThe “% of responses” column reports percentages with respect to the overall sum of responses. For example, 32.51% of all responses of Q4 are “When walking in the street”
  3. cThe “% of cases” column reflects the average number of responses per respondent (multiplied by 100). For example, 69% of the respondents selected “Respiratory system”
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Environmental Health

ISSN: 1476-069X