Handwashing Knowledge, Attitudes, and Practices among Students in Eastern Province Schools, Saudi Arabia

Table 7

Multivariate linear regression of student characteristics and means scores of hygiene practices.

Student characteristics	N	Beta	t-value	value	95% CI
Gender
Boy	218	1.00 (ref)
Girl	53	−0.022	−0.305	0.761	−0.970	0.710
Age
9–11 years	59	1.00 (ref)
12–14 years	20	−0.174	−2.141	0.033	−2.963	−0.124
Above 14 years	192	−0.146	−2.125	0.035	−1.436	−0.055
Class level
Elementary school	59	1.00 (ref)
Secondary school	20	−0.140	−1.635	0.103	−2.739	0.254
High school	192	−0.128	−1.535	0.126	−1.487	0.184
Mother education
No formal education	21	1.00 (ref)
Elementary and secondary level	23	0.158	1.811	0.071	−0.115	2.753
High school level	69	0.312	2.468	0.014	0.336	2.989
Undergraduate level	95	0.223	1.691	0.092	−0.178	2.344
Postgraduate level	37	0.012	0.110	0.913	−1.321	1.477
I do not know	7	0.039	0.331	0.741	−2.835	3.979
Father education
No formal education	15	1.00 (ref)
Elementary and secondary level	14	−0.101	−1.210	0.228	−2.790	0.667
High school level	61	−0.242	−1.885	0.061	−2.751	0.060
Undergraduate level	74	−0.253	−1.866	0.063	−2.707	0.073
Postgraduate level	76	−0.166	−1.210	0.228	−2.250	0.538
I do not know	10	0.011	0.093	0.926	−2.758	3.033

The total number of complete cases is 271.