Table 5.

Relationship between explanatory variables and G. lamblia infection among school children in Jaragedo town, South Gondar Zone, Ethiopia.

Term	Parameter estimate	Standard error	χ 2	P value
Intercept	3.945	6.589	0.36	0.5494
Age (11 to 14)	0.310	0.392	0.63	0.4287
Age (15 to 16)	−0.26039	0.397	0.43	0.5118
Age (17 and above)	0.190	0.468	0.16	0.6846
Sex (female)	0.094	0.146	0.42	0.5183
Residence (rural)	−0.024	0.194	0.02	0.8998
Grade (1 to 4)	0.625	0.606	1.06	0.3027
Grade (5 to 8)	0.023	0.341	0.00	0.9445
Father education level (Church education)	−2.188	6.578	0.11	0.7394
Father education level (college and above)	5.353	26.24	0.04	0.8384
Father education level (illiterate)	−1.927	6.569	0.09	0.7692
Father education level (primary education)	−0.868	6.577	0.02	0.8950
Father's occupation (farming)	−0.020	0.235	0.01	0.9289
Hand washing after toile (no)	0.354	0.315	1.26	0.2609
Eating unwashed vegetable (no)	0.058	0.191	0.09	0.7593
Eating raw meat (no)	0.065	0.156	0.17	0.6760
Shoe wearing (always)	−0.580	0.374	2.40	0.1210
Shoe wearing (no at all)	−0.248	0.491	0.26	0.6131
Water source (both tap and river)	0.089	0.203	0.19	0.6607
Water source (river)	−0.743	0.269	7.59	0.0059
Family economic status (middle income)	0.286	0.308	0.86	0.3531
Family economic status (poor)	0.383	0.472	0.66	0.4167
Family economic status (rich)	−0.362	0.382	0.90	0.3418
Family size (5 members)	0.122	0.242	0.25	0.6137
Family size (6 members)	0.231	0.243	0.90	0.3424
Family size (7 and above)	−0.263	0.277	0.90	0.3430
Waste disposal system ( burry underground)	0.177	0.206	0.74	0.3904
Toilet type (common pit latrine)	0.488	0.839	0.34	0.5605
Toilet type (open space)	−0.480	0.608	0.62	0.4299
Nail cleanness (not clean)	−0.031	0.157	0.04	0.8399