Prevalence and adjusted odds ratios (OR) of major diseases and injuries in the past 12 months and currently among subjects 5 years and over living on boats according to disease prevention proficiency†
| Major diseases/injuries (ICD-10 code) | Prevalence (%) by category of disease prevention proficiency | OR (95% CI)‡ | OR (95% CI)§ | OR (95% CI)¶ | |||
|---|---|---|---|---|---|---|---|
| Non-functional (n = 112) | Minimally functional (n = 2317) | Functional (n = 1178) | |||||
| *p<0.05; **p<0.01; ***p<0.001. †Individual assessment items included the names of selected infectious and parasitic diseases, measures to prevent infectious and parasitic diseases, measures to prevent malnutrition, sanitary practices, and participation in health education programmes. ‡Odds ratio (OR) for an increment of 1 in score of disease prevention proficiency and 95% confidence interval (95% CI), adjusted by sex and age. §Odds ratio (OR) for an increment of 1 in score of disease prevention proficiency and 95% confidence interval (95% CI), adjusted by sex, age, and occupation requiring/not requiring boats. ¶Odds ratio (OR) for an increment of 1 in score of disease prevention proficiency and 95% confidence interval (95% CI), adjusted by sex, age, occupation requiring/not requiring boats, and education. | |||||||
| Certain infectious and parasitic diseases (A.00–B.99) | 98.2 | 85.5 | 83.8 | 0.76 (0.64 to 0.91)** | 0.74 (0.58 to 0.94)* | 0.72 (0.56 to 0.94)* | |
| Diarrhoea and gastroenteritis of presumed infectious origin (A.09) | 75.9 | 68.8 | 63.3 | 0.77 (0.67 to 0.88)*** | 0.73 (0.61 to 0.87)*** | 0.72 (0.59 to 0.87)*** | |
| Tuberculosis (A.15–A.19) | 1.8 | 2.5 | 3.1 | 1.50 (1.01 to 2.24)* | 1.28 (0.78 to 2.09) | 1.34 (0.79 to 2.28) | |
| Dengue fever/dengue haemorrhagic fever (A.90–A.91) | 1.8 | 6.9 | 5.3 | 0.88 (0.67 to 1.14) | 0.79 (0.55 to 1.13) | 0.70 (0.47 to 1.04) | |
| Dermatophytosis (B.35) | 33.9 | 30.3 | 20.4 | 0.64 (0.56 to 0.75)*** | 0.69 (0.57 to 0.83)*** | 0.67 (0.55 to 0.82)*** | |
| Malaria (B.50–B.54) | 8.9 | 11.0 | 10.2 | 1.04 (0.84 to 1.30) | 1.12 (0.88 to 1.42) | 1.10 (0.85 to 1.42) | |
| Ascariasis (B.77) | 84.8 | 58.9 | 60.4 | 0.87 (0.76 to 0.99)* | 0.84 (0.70 to 1.00)* | 0.77 (0.63 to 0.93)** | |
| Diseases of the respiratory system (J.00–J.99) | 93.8 | 78.8 | 74.5 | 0.70 (0.60 to 0.82)*** | 0.61 (0.50 to 0.75)*** | 0.57 (0.46 to 0.71)*** | |
| Asthma (J.45) | 0.9 | 3.4 | 3.4 | 1.10 (0.78 to 1.56) | 1.11 (0.67 to 1.83) | 1.09 (0.63 to 1.87) | |
| Bronchitis and asthma (J.40–J.43, J.45) | 1.8 | 5.6 | 5.1 | 0.99 (0.75 to 1.31) | 1.01 (0.65 to 1.56) | 0.97 (0.61 to 1.54) | |
| Diseases of the skin and subcutaneous tissue (L.00–L.99) | 72.3 | 53.0 | 44.2 | 0.65 (0.58 to 0.74)*** | 0.63 (0.53 to 0.75)*** | 0.59 (0.49 to 0.72)*** | |
| Dermatitis and eczema (L.20–L.30) | 17.9 | 13.3 | 6.8 | 0.54 (0.44 to 0.67)*** | 0.53 (0.40 to 0.69)*** | 0.52 (0.39 to 0.69)*** | |
| Acne (L.70) | 7.1 | 5.7 | 7.7 | 1.26 (0.98 to 1.63) | 1.12 (0.79 to 1.57) | 0.97 (0.67 to 1.40) | |
| Diseases of the digestive system (K.00–K.93) | 14.3 | 15.8 | 15.0 | 1.06 (0.88 to 1.28) | 1.07 (0.87 to 1.33) | 1.08 (0.86 to 1.36) | |
| Injuries | 8.9 | 12.4 | 14.8 | 1.26 (1.04 to 1.52)* | 1.20 (0.92 to 1.55) | 1.20 (0.91 to 1.58) | |
| Injuries on boats | 5.4 | 6.3 | 5.5 | 0.92 (0.70 to 1.20) | 0.92 (0.63 to 1.32) | 0.90 (0.60 to 1.33) | |
| Injuries on land | 2.7 | 5.5 | 8.0 | 1.55 (1.20 to 2.01)*** | 1.43 (0.97 to 2.09) | 1.45 (0.97 to 2.15) | |