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Table 2 Factors associated with infection intensity among people infected with S.mansoni residing in fishing villages of north-western Tanzania

From: Co-infection with Schistosoma mansoni and Human Immunodeficiency Virus-1 (HIV-1) among residents of 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)
  1. Determined by based on t-tests **Determined by Anova.
  2. COR = Crude Odd Ratio.
  3. AOR = Adjusted Odd Ratio.
  4. Single* - male of female individuals living alone/not married.