Variable

Maximum score on reference scale

Mean

Standard deviation

Confidence-Interval

Level (Prevalence)

Knowledge

18

9.46

2.52

9.07 ± 9.85

53%

Attitude

18

10.21

2.73

9.79 ± 10.62

56.7%

APO prevention practices

15

7.86

2.90

7.42 ± 8.30

53.4%