Table 2 Factors associated with infection intensity among people infected with S.mansoni residing in fishing villages of north-western Tanzania
Variable | No. infected | GM-epg (95% CI) | F-ratio (P-level) | COR (95% CI) | AOR (95% CI) |
|---|---|---|---|---|---|
Overall | 854 | 183.21 (165.61 – 202.70) | ------ | ------- | ------- |
Sex | |||||
Female | 382 | 132.02 (115.33 – 151.14) | − 4.7386* (P < 0.0001) | 1 | 1 |
Male | 472 | 238.86 (207.14 – 275.44) | 1.61 (1.48 – 2.21) | 1.65 (1.32 – 2.08) | |
Age (in years) | |||||
21 – 30 | 368 | 220.20 (188.16 – 257.71) | 2.03** (P = 0.11) | 1.61 (0.65 – 1.54) | 1.68 (1.14 – 2.48) |
31 – 40 | 286 | 177.55 (149.10 – 211.41) | 1.30 (0.89 – 1.91) | 1.32 (0.89 – 1.97) | |
41 – 50 | 127 | 136.85 (109.18 – 171.54) | 1.004 (0.65 – 1.91) | 1.08 (0.69 – 1.67) | |
51 – 55 | 73 | 136.85 (109.18 – 171.54) | 1 | 1 | |
Marital status | |||||
Married | 591 | 173.06 (153.51 – 195.09) | − 0.8094* (P = 0.42) | 1 | 1 |
Single* | 263 | 204.46 (168.53 – 248.04) | 1.02 (0.93 – 1.04 | 0.99 (0.94 – 1.05) | |
Occupation | |||||
SSB | 129 | 141.93 (108.59 – 185.21) | 6.75** P < 0.0012 | 1 | 1 |
Peasants | 561 | 161.72 (142.87 – 183.06) | 1.14 (0.82 – 1.57) | 1.12 (0.81 – 1.54) | |
Fishing | 164 | 308.84 (246.20 – 387.41 | 2.18 1.50 – 3.15) | 1.62 (1.10 – 2.41) | |
Education level | |||||
Literate | 564 | 173.54 (153.35 – 196.38) | −2.1185* (P < 0.0344) | 1 | 1 |
Illiterate | 290 | 197.38 (164.80 – 236.40) | 1.14 (0.91 – 1.41) | 1.33 (1.07 – 1.66) | |
Village of residence | |||||
Igombe | 176 | 144.14 (116.73 – 178.00) | 3.26** (P < 0.0211) | 1 | 1 |
Igalagala | 141 | 224.83 (175.65 – 287.77) | 1.56 (1.12 – 2.17) | 1.71 (1.23 – 2.40) | |
Kayenze | 351 | 202.39 (173.12 – 236.61) | 1.40 (1.07 – 1.84) | 1.62 (1.23 – 2.13) | |
Sangabuye | 186 | 163.07 (129.35 – 205.58) | 1.13 (0.83 – 1.54) | 1.38 (1.001 – 1.89) | |
Duration of residence (in years) | |||||
3 − 5 | 152 | 230.94 (180.85 – 294.91) | 1.89** (P = 0.13) | 1 | 1 |
6 – 10 | 169 | 160.53 (122.74 – 209.95) | 0.69 0.48 – 1.01 | 0.71 (0.50 – 1.01) | |
11 – 20 | 187 | 188.01 (154.38 – 228.95) | 0.81 (0.59 – 1.11) | 0.86 (0.64 – 1.17) | |
≥21 | 346 | 165.24 (141.06 – 193.58) | 0.71 (0.54 – 0.95) | 0.73 (0.55 – 1.04) | |
CD4 + cell counts/μL | |||||
<350 | 28 | 154.27 (85.16 – 279.48) | 1.5410* (P = 0.13) | 1 | |
≥350 | 22 | 93.26 (60.42 – 143.95) | 1.09 (0.54 – 2.08) | ------ | |
HIV-1 serostatus | |||||
Negative | 804 | 186.83 (168.15 – 207.59) | 0.882* (P = 0.38) | 1 | 1 |
Positive | 50 | 126.78 (86.59 – 185.61) | 0.76 (0.51 – 1.13) | 0.84 (0.56 – 1.25) | |