Table 5.
Results independence tests of relevant socio-demographic covariates and mode of surveying for each sample.
| Aircraft + Road Traffic | Aircraft + Railway | |||||||
|---|---|---|---|---|---|---|---|---|
| Chi-Q. | df | p | Cramérs V | Chi-Q. | df | p | Cramérs V | |
| gender | 9.920 | 8 | 0.271 | 0.45 | 9.335 | 7 | 0.229 | 0.044 |
| migration background | 3.221 | 7 | 0.864 | 0.46 | 3.774 | 7 | 0.805 | 0.045 |
| ownership of premises | 11.363 | 8 | 0.182 | 0.48 | 41.019 | 7 | <0.001 | 0.093 |
| mode of surveying | 17.616 | 6 | 0.024 | 0.60 | 18.7101.7 | 7 | 0.009 | 0.063 |
Note. Chi-Q. = Wald Chi-square; df = degrees of freedom; p = significance level; Cramérs V = measure of association between two nominal variables.