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Table 2 Risk factors associated with S. mansoni infection (n = 170)

From: Prevalence of schistosomiasis and associated risk factors among school children in Um-Asher Area, Khartoum, Sudan

Variable Infection, n (%) χ2(df) P value
Positive Negative
Gender
 Male 3 (60%) 72 (43.6%) .527 (1) .468
 Female 2 (40%) 93 (56.4%)
Age
 6–9 2 (40%) 36 (21.8%) 1.254 (2) .534
 10–13 3 (60%) 113 (68.5%)
 14–17 0 (.0%) 16 (9.7%)
Distance of residence from water source
 Far 3 (60%) 110 (66.7%) .097 (1) .756
 Near 2 (40%) 55 (33.3%)
Type of toilet
 Sanitary latrine 4 (80%) 61 (37%) 3.805 (1) .051
 Non-sanitary latrine 1 (20%) 104 (63%)
Habit of washing clothes
 Home 5 (100%) 160 (97%) .156 (2) .925
 River and canal 0 (.0%) 2 (1.2%)
 Other 0 (.0%) 3 (1.8%)
Bathing habit
 Home 5 (100%) 146 (88.5%) .648 (3) .885
 Canal 0 (.0%) 3 (1.8%)
 River 0 (.0%) 3 (1.8%)
 All 0 (.0%) 13 (7.9%)
Parents educational status
 Primary 3 (60%) 44 (26.7%) 3.015 (3) .389
 Inter mediate 0 (.0%) 24 (14.5%)
 Secondary 1 (20%) 40 (34.5%)
 University 1 (20%) 57 (34.5%)