Table 1 Demographic data and other characteristics of participants with and without idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF)
Variable | IEI-EMF (n = 155) N (%) | Non-IEI-EMF (n = 3148) N (%) | Survey population (n = 3303) N (%) | Weighted % (95% confidence interval) | |
|---|---|---|---|---|---|
IEI-EMF | Survey population | ||||
Sex | |||||
Female | 97 (62.6) | 1832 (58.2) | 1929 (58.4) | 58.8 (50.6, 66.6) | 49.6 (47.8, 51.3) |
Male | 58 (37.4) | 1316 (41.8) | 1374 (41.6) | 41.2 (33.4, 49.4) | 50.4 (48.7, 52.2) |
Age (year) | 47.8 ± 13.63 | 48.56 ± 14.96 | 48.53 ± 14.90 | ||
18–34 | 29 (18.7) | 589 (18.7) | 618 (18.7) | 40.5 (32.8, 48.8) | 39.6 (38.0, 41.3) |
35–49 | 49 (31.6) | 945 (30.0) | 994 (30.1) | 29.4 (22.5, 37.4) | 28.7 (27.1, 30.2) |
50–64 | 58 (37.4) | 1151 (36.6) | 1209 (36.6) | 19.6 (13.8, 27.0) | 19.6 (18.3, 21.0) |
≥ 65 | 19 (12.3) | 463 (14.7) | 482 (14.6) | 10.5 (6.3, 16.7) | 12.1 (11.0, 13.3) |
Perceived Health Status | |||||
Excellent | 7 (4.5) | 165 (5.2) | 172 (5.2) | 3.5 (1.3, 8.1) | 5.0 (4.3, 5.8) |
Good | 33 (21.3) | 848 (26.9) | 881 (26.7) | 23.1 (16.9, 30.8) | 23.8 (22.3, 25.3) |
Fair | 94 (60.6) | 1837 (58.4) | 1931 (58.5) | 57.0 (48.8, 64.9) | 60.7 (59.0, 62.4) |
Poor | 17 (11.0) | 261 (8.3) | 278 (8.4) | 7.9 (4.3, 13.7) | 9.0 (8.1, 10.0) |
Very poor | 4 (2.6) | 37 (1.2) | 41 (1.2) | 8.5 (4.8, 14.4) | 1.6 (2.0, 20.9) |
Impairment in Daily Activities | 37 (23.9)* | 513 (11.4) | 395 (12) | 24.6 (18.2, 32.4) | 12.6 (11.5, 13.8) |
Education Level | |||||
Middle school and below | 38 (24.5) | 785 (25.2) | 823 (25.2) | 47.7 (39.6, 55.9) | 40.2 (38.5, 41.9) |
High school | 41 (26.5) | 953 (30.6) | 994 (30.4) | 29.3 (22.4, 37.3) | 38.3 (36.6, 39.9) |
College and above | 76 (49.0) | 1375 (44.2) | 1451 (44.4) | 23.0 (16.7, 30.6) | 21.5 (20.2, 23.0) |
Employment Status | |||||
Employed | 139 (89.67) | 2817 (89.49) | 2956 (89.49) | 85.3 (78.5, 90.3) | 88.1 (87.0, 89.2) |
Out of work/not working | 10 (6.45) | 152 (4.45) | 162 (4.90) | 7.0 (3.7, 12.5) | 6.0 (5.3, 6.9) |
Unable to work | 6 (3.87) | 179 (5.24) | 185 (5.60) | 7.7 (4.2, 13.4) | 5.9 (5.1, 6.7) |