Table 1.
Demographic profiles for the six samples. The values are raw frequencies with percentages presented in brackets. Note that percentages may be affected by missing data. Differences in proportions between matched samples within a dataset are tested using Pearson’s chi-square (χ2) tests.
| Samples | Auckland Samples | Wellington Samples | ||||
|---|---|---|---|---|---|---|
| Motorway | Non-Motorway | CBD-Suburb | Airport | Non-Airport | Rural | |
| Sex | ||||||
| Male | 93 (34.6) | 105 (43) | 65 (37.6) | 28 (32.6) | 31 (33.3) | 69 (40.4) |
| Female | 171 (63.6) | 140 (57) | 107 (61.8) | 58 (67.4) | 61 (65.6) | 98(57.3) |
| Chi-Square | (χ2 (2) = 3.29, p = 0.078) | (χ2 (1) = 0.05, p = 0.824) | ||||
| Age Group (Years) | ||||||
| 18–20 | 7 (2.6) | 4 (1.6) | 3 (1.7) | 3 (3.4) | 2 (2.2) | 2 (1.2) |
| 21–30 | 36 (13.4) | 14 (5.5) | 15 (8.7) | 7 (8) | 8 (8.6) | 2 (1.2) |
| 31–40 | 47 (17.5) | 68 (26.9) | 22 (12.7) | 16 (18.4) | 18 (19.4) | 22 (12.9) |
| 41–50 | 55 (20.4) | 56 (22.1) | 25 (14.5) | 16 (18.4) | 20 (21.5) | 57 (33.3) |
| 51–60 | 47 (17.5) | 40 (15.8) | 39 (22.7) | 14 (16.1) | 20 (21.5) | 46 (26.9) |
| 61–70 | 35 (13) | 43 (17.0) | 39 (22.7) | 16 (18.4) | 16 (17.2) | 32 (18.7) |
| 70+ | 37 (13.8) | 23 (9.1) | 29(16.9) | 14 (16.1) | 8 (8.6) | 10 (5.8) |
| Chi-Square | (χ2 (7) = 18.51, p = 0.005) | (χ2 (7) = 4.527, p = 0.75) | ||||
| Noise Sensitivity | ||||||
| Low | 98 (38) | 91 (34.9) | 67 (38.7) | 40 (46) | 39 (41.9) | 66 (38.6) |
| Moderate | 125 (50) | 139 (53.3) | 81(46.8) | 33 (37.9) | 41 (44.1) | 79 (46.2) |
| High | 26 (10.4) | 31 (11.9) | 23 (13.3) | 14 (16.1) | 13 (14) | 23 (13.5) |
| Chi-Square | (χ2 (2) = 1.159, p = 0.56) | (χ2 (2) =7.15, p = 0.699) | ||||