Table 4. Multivariate analysis of risk factors associated with Giardia infection among the indigenous communities that participated in this study.

Variables	Adjusted OR	95% CI	P-value
Location (Peninsular Malaysia)	1.5	0.9, 2.6	0.115
Being aged ≤ 12 years	2.1	1.3, 3.4	0.003
Gender (males)	1.1	0.7, 1.5	0.799
Large household members (>7 members)	1.4	0.9, 2.0	0.065
Low educational level	1.0	0.4, 2.7	0.968
No toilet at household	1.5	1.0, 2.2	0.049
Not boiling water before consumption	2.1	1.4, 3.3	0.001
Bathing in the river	1.7	1.2, 2.6	0.007
Indiscriminate defecation	1.2	0.7, 2.0	0.608
Not washing hands before eating	1.5	1.1, 2.2	0.029
Not washing hands after playing with animals	2.1	1.4, 3.1	<0.001
Not washing vegetables/fruits before consumption	1.1	0.8, 1.7	0.561
Not wearing shoes when outside	1.6	1.1, 2.4	0.012
Indiscriminate garbage disposal	1.1	0.7, 1.7	0.673