Table 4 Associations between RF-EMF exposures and feeling ‘Down or depressed’ (symptom)
Symptom | Symptom categories (N for unadjusted model/N for adjusted model) | Exposure | Exposure categories (N for unadjusted model/N for adjusted model) | Unadjusted OR (95% CI) for each exposure category | Adjusted OR (95% CI) for each exposure category | Confounders in model |
|---|---|---|---|---|---|---|
Down/depressed | No (-/220) | Minutes on cordless phone daily | 0- < 5 (-/141) | Model invalid | 1 | Cold/flu+ |
Sometimes (-/85) | 5-15 (-/100) | 1.00 (0.75-1.37) | Times woken by phone+ | |||
Often/All the time (-/32) | >15-240 (96) | 1.02 (0.76-1.37) | Wireless earpiece | |||
Age | ||||||
Down/depressed | No (-/206) | Cordless calls >10 minutes weekly | 0-1 (-/108) | Model invalid | 1 | Cold/flu+ |
Sometimes (-/85) | >1-5 (-/116) | 0.92 (0.69-1.24) | Times woken by phone+ | |||
Often/All the time (-/30) | >5-120 (-/97) | 1.06 (0.77-1.46) | Wireless headset | |||
Age | ||||||
Down/depressed | No (-/226) | Cellphone calls >10 minutes weekly | 0 (-/269) | Model invalid | Model invalid | Cold/flu+ |
Sometimes (-/87) | 1-6 (-/66) | Times woken by phone+ | ||||
Often/All the time (-/33) | 7-35 (-/11) | Wireless headset | ||||
Age | ||||||
Down/depressed | No (235/233) | Cellphone headset | No (328/327) | 1 | 1 | Cold/flu*+ |
Yes, sometimes (90/90) | Wired (16/16) | 1.09 (0.64-1.86) | 0.90 (0.51-1.58) | Times woken by phone+ | ||
Yes, often (27/27) | Wireless (14/13) | 1.96 (1.10-3.51) | 2.04 (1.09-3.82) | |||
Yes, all the time (6/6) | ||||||
Down/depressed | No (99/98) | Cordless phone frequency | Not exposed (29/27) | 1 | 1 | Cold/flu |
Sometimes (38/35) | ≤ 900 MHz (21/20) | 2.22 (1.13-4.38) | 2.40 (1.15-5.02) | Earpiece | ||
Often (11/10) | Other frequencies | 1.28 (0.75-2.19) | 1.38 (0.76-2.51) | |||
All the time (3/3) | (101/99) |