Table 3.
Reported medical history by zone and odds ratios (95% CI) for zones 1 vs 3 and zones 2 vs 3.
| Somatic Disorders | All Zones N=1155 | Zone 1 n1=168 | Zone 2 n2=400 | Zone 3 n2=587 | P* | pTrend† | Zones 1 vs 3‡ | Zones 2 vs 3§ |
|---|---|---|---|---|---|---|---|---|
| CD: Count by Disorder
|
Odds Ratio (95% CI) | |||||||
| CD (%N) | CD (%n1) | CD (%n2) | CD (%n3) | |||||
| Hypertension | 105(9.7) | 18 (14.9) | 25 (6.7) | 62 (10.6) | .017 | .871 | 1.48 (0.84–2.60)a | 1.66 (1.02–2.69)b |
| Cardiac disorder | 122 (11.2) | 20(16.5) | 22 (5.7) | 80(13.6) | <.001 | .258 | 1.26 (0.74–2.14)a | 2.61(1.60–4.26)c |
| Headaches | 296 (26.4) | 1 (54.7) | 71(18.1) | 146 (24.9) | <.001 | <.001 | 3.65 (2.51–5.31)c | 1.50(1.09–2.06)b |
| Respiratory disorder | 145 (13.1) | 42 (31.3) | 44(11.3) | 59(10.1) | <.001 | <.001 | 4.09 (2.60–6.43)c | 0.88 (0.60–1.32)a |
| Asthma | 52(4.8) | 11(9.8) | 7(1.8) | 34(5.8) | <.001 | .975 | 1.77 (0.87–3.61)a | 3.29 (1.44–7.51)d |
| Ear/nose/throat disorder | 135 (12.4) | 130 (95.6) | 27 (7.0) | 85 (14.9) | <.001 | .597 | 1.43 (0.86–2.38)a | 2.25(1.43–3.53)e |
| Ulcer | 59 (5.4) | 13 (11.4) | 17 (4.4) | 29 (4.9) | .012 | .054 | 2.48 (1.25–4.93)e | 1.12 (0.61–2.07)a |
| Gastrointestinal disorder | 366 (32.9) | 58 (42.9) | 103 (26.6) | 205(34.9) | .008 | .852 | 1.40(0.96–20.05)a | 1.48 (1.12–1.97)d |
| Diabetes | 35(3.3) | 7 (6.3) | 6(1.7) | 22(3.8) | .038 | 865 | 1.71 (0.71–4.11)a | 2.31(0.93–5.76)a |
| Genitourinary disorder | 171(15.3) | 50 (35.5) | 51(13.0) | 70(11.9) | <.001 | <.001 | 4.06 (2.65–6.21)c | 0.91(0.62–1.33)a |
| Hematology disorder | 20(1.9) | 4(3.6) | 44 (37.6) | 9(1.5) | .402 | .203 | 2.40 (0.73–7.94)a | 0.84 (0.31–2.28)a |
| Rheumatology disorder | 124(11.4) | 27 (23.7) | 14(3.7) | 83(14.1) | <.001 | .789 | 1.88(1.15–3.08)b | 4.34 (2.43–7.77)c |
| Musculoskeletal disorder | 281 (25.0) | 78 (53.4) | 80 (20.4) | 123 (21.0) | <.001 | <.001 | 4.33 (2.96–6.33)a | 1.03 (0.75–1.42)a |
| Chronic fatigue | 67 (6.1) | 38 (30.2) | 27(7.0) | 2 (0.3) | <.001 | <.001 | 126.3(29.9–532.8)c | 0.05 (0.01–0.19)c |
| Allergies | 384(34.9) | 61 (47.3) | 107 (27.8) | 216(36.8) | <.001 | .665 | 1.54 (1.05–2.26)b | 1.51(1.14–2.00)d |
| Skin disorders | 253 (23.3) | 44 (37.6) | 67 (17.5) | 142 (24.2) | <.001 | .2285 | 1.89(1.24–2.87)d | 1.51(1.09–2.08)b |
| Miscellaneous disorders | 66(5.9) | 23 (17.0) | 17(4.4) | 26(4.4) | <.001 | <.001 | 4.43 (2.44–8.05)c | 1.02(0.54–1.90)a |
Percentages are based on non-missing data.
*
Represents the P value for overall χ2 test.
†
pTrend represents the P value for trend test.
‡
OR represents the magnitude of association between medical condition and zone 1 where zone 3 Is the reference zone.
§
OR represents the magnitude of association between medical condition and zone 2 where zone 3 Is the reference zone.
Note: Zone 1 = In Kuwait; Zone 2 =>100–190 km from Kuwait; Zone 3 = 360 km from Kuwait
a
No significant difference
b
P<.05
c
Pc.0001
d
P<. 01
e
P<. 001