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 5 Variation of pre- and post-practice scores according to different parameters

Variables	Studied practice		Statistical significance (paired t test and probability “p”)
Variables	Pre Mean ± SD	Post Mean ± SD
Sex:
Male	19.6 ± 4.2	20.7 ± 4.7	P = 0.2
Female	20.8 ± 3.8	23.7 ± 3.7	P < 0.001
Unpaired t test	P = 0.3	P = 0.001
Age in years:
< 30	19.5 ± 3.8	21.8 ± 4.8	P = 0.005
≥ 30	20.5 ± 3.9	23.5 ± 3.7	P < 0.001
Unpaired t test	P = 0.1	P = 0.03
Education:
Basic	18.2 ± 5.6^A	20.6 ± 4.2^AB	P = 0.01
Technical	21.02 ± 3.2^A	23.7 ± 3.8^A	P < 0.001
University	20.1 ± 3.3	24.1 ± 3.4^B	P < 0.001
One-way ANOVA test	P = 0.006	P = 0.001
Job description:
Housekeepers	18.3 ± 5.2	20.7 ± 4.1	P = 0.004
Nurses	21.03 ± 3.1	23.9 ± 3.7	P < 0.001
Unpaired t test	P < 0.001	P < 0.001
Duration of employment
≤ 15 years	19.9 ± 4.2	22.5 ± 4.1	P < 0.001
> 15 years	20.6 ± 3.6	23.7 ± 3.9	P < 0.001
Unpaired t test	P = 0.3	P = 0.1
Previous training
Yes	20.9 ± 4.1	23.4 ± 3.7	P < 0.001
No	19.8 ± 3.7	22.9 ± 4.3	P < 0.001
Unpaired t test	P = 0.1	P = 0.5