Effect of a waste management intervention program on knowledge, attitude, and practice (KAP) of nurses and housekeepers: a quasi-experimental study, Egypt

Journal of the Egyptian Public Health Association

Table 3 Variation of pre- and post-knowledge scores according to different parameters

Variables	Studied knowledge		Statistical significance (paired t test and probability “p”)
Variables	Pre Mean ± SD	Post Mean ± SD
Sex:
Male	19.6 ± 3.5	22.1 ± 2.6	P = 0.007
Female	20.8 ± 2.9	23.1 ± 2.4	P < 0.001
Unpaired t test	P = 0.06	P = 0.07
Age in years:
< 30	20.7 ± 2.9	23.1 ± 2.4	P = 0.007
≥ 30	20.3 ± 3.5	22.2 ± 2.4	P < 0.001
Unpaired t test	P = 0.5	P = 0.07
Education:
Basic	17.3 ± 3.4^AB	21.07 ± 2.4 ^AB	P < 0.001
Technical	21.3 ± 2.3^A	23.3 ± 2.3 ^A	P < 0.001
University	21.6 ± 2.4^B	23.6 ± 1.6 ^B	P < 0.001
One way ANOVA test	P < 0.001	P < 0.001
Job description:
Housekeepers	17.5 ± 3.2	21.02 ± 2.5	P < 0.001
Nurses	21.7 ± 2.2	23.6 ± 2.07	P < 0.001
Unpaired t test	P < 0.001	P < 0.001
Duration of employment
≤ 15 years	19.7 ± 3.4	22.3 ± 2.5	P < 0.001
> 15 years	21.4 ± 2.4	23.5 ± 2.3	P < 0.001
Unpaired t test	P = 0.001	P = 0.004
Previous training
Yes	20.7 ± 3.0	23.2 ± 2.3	P < 0.001
No	20.4 ± 3.1	22.6 ± 2.5	P < 0.001
Unpaired t test	P = 0.5	P = 0.2