Table 1 Demographic characteristics of sample population
From: Chronic kidney disease of unknown aetiology in Sri Lanka: is cadmium a likely cause?
Variable | Females (n = 425) | Males (n = 461) | p-value |
|---|---|---|---|
Mean (SD) age (years) | 30.53 (20.60) | 33.63 (17.4) | 0.016 |
Mean (SD) height (cm) | 62.68 (75.15) | 81.90 (81.23) | < 0.001 |
Mean (SD) weight (kg) | 25.68 (24.87) | 37.09 (24.81) | < 0.001 |
Number (%) by occupation | Â | Â | Â |
Agriculture based | 302 (71.1) | 393 (85.2) | 0.001 |
Other | 123 (28.9) | 68 (14.8) | < 0.001 |
Number (%) involved in pesticide spraying | 45 (14.8) | 321 (81.7) | < 0.001 |
Number (%) by source of drinking water at home | Â | Â | Â |
Well | 388 (93.9) | 425 (93.0) | 0.572 |
Stream | 9 (2.2) | 19 (4.2) | 0.099 |
Pipe | 24 (5.8) | 19 (4.2) | 0.261 |
Tube well | 17 (4.1) | 22 (4.8) | 0.619 |
Other | 0 (0.0) | 1 (0.2) | 0.525 |
Number (%) by source of drinking water in the field | Â | Â | Â |
From home | 252 (79.7) | 286 (69.9) | 0.003 |
Well in the field | 105 (33.2) | 187 (45.7) | 0.001 |
Other | 19 (6.0) | 36 (8.8) | 0.160 |