Development and validation of the knowledge and attitude regarding childhood vaccination (KACV) questionnaire among healthcare workers: the Malay version

Figures & data

Table 1. Content validation for KACV

Item/raters	R1	R2	R3	R4	R5	R6	I-CVI (Relevancy)
Knowledge
Q1	1	1	1	0	1	1	0.83
Q2	1	1	1	1	1	1	1
Q3	1	1	1	1	1	1	1
Q4	1	1	1	1	1	1	1
Q5	1	1	1	1	1	1	1
Q6	1	0	1	1	1	1	0.83
Q7	1	1	1	1	0	1	0.83
Q8	1	1	1	1	1	1	1
Q9	1	1	1	1	1	1	1
Q10	1	1	0	0	1	0	0.50
Q11	1	1	1	1	1	1	1
Q12	1	1	1	1	1	1	1
Q13	1	1	1	1	1	1	1
Q14	1	1	1	1	1	1	1
Q15	1	1	1	1	1	1	1
Q16	1	1	1	1	1	1	1
Q17	1	1	1	1	1	1	1
Q18	1	1	0	1	1	0	0.67
Q19	1	1	0	1	1	0	0.67
Q20	1	1	1	1	1	1	1
Q21	1	1	1	1	1	1	1
Q22	1	0	1	1	1	1	0.83
Q23	1	1	1	1	1	1	1
Q24	1	1	1	1	1	1	1
Q25	1	1	1	1	1	1	1
Q26	1	1	1	1	1	1	1
Q27	1	1	1	1	1	1	1
Q28	1	1	1	0	1	1	0.83
Q29	1	0	0	1	1	0	0.5
Q30	1	1	1	1	1	1	1
Q31	1	1	1	1	1	1	1
Q32	1	1	1	1	1	1	1
Q33	1	1	1	1	1	1	1
Attitude
Q1	1	1	1	1	1	1	1
Q2	1	1	1	1	1	1	1
Q3	1	1	1	1	1	1	1
Q4	1	1	1	1	1	1	1
Q5	1	1	1	1	1	1	1
Q6	1	1	1	1	1	1	1
Q7	1	1	1	1	1	1	1
Q8	1	1	1	1	1	1	1
Q9	1	0	1	1	1	1	0.83
Q10	0	0	1	1	1	1	0.67
Q11	1	1	1	1	1	1	1
Q12	1	1	1	1	1	1	1
Q13	0	1	0	1	1	0	0.50
Q14	1	0	1	1	1	1	0.83
Q15	1	0	1	1	1	1	0.83
Q16	1	1	1	1	1	1	1
Q17	1	1	1	1	1	1	1

r – rater

I-CVI – Item Content Validity Index

Table 2. Face validation for KACV

Item/raters	R1	R2	R3	R4	R5	R6	R7	R8	R9	R10	I-FVI
Knowledge
Q1	1	1	1	1	1	1	1	1	1	1	1
Q2	1	1	1	1	1	1	1	1	1	1	1
Q3	1	1	1	1	1	1	1	1	1	1	1
Q4	1	1	1	1	1	1	1	1	1	1	1
Q5	1	1	1	1	1	1	1	1	1	1	1
Q6	1	1	1	1	1	1	1	1	0	1	0.9
Q7	1	1	1	1	1	1	1	1	1	1	1
Q8	1	1	1	1	1	1	0	1	1	1	0.9
Q9	1	1	1	1	1	1	1	1	1	1	1
Q10	1	1	1	1	1	1	1	1	1	1	1
Q11	1	1	1	1	1	1	1	1	1	1	1
Q12	1	1	1	1	1	1	1	1	1	1	1
Q13	1	1	1	1	1	1	1	1	1	1	1
Q14	1	1	1	1	1	1	1	1	1	1	1
Q15	1	1	1	1	1	1	1	1	1	1	1
Q16	1	1	1	1	1	1	1	1	1	1	1
Q17	1	1	1	1	1	1	1	1	1	1	1
Q18	1	1	1	1	1	1	1	1	1	1	1
Q19	1	1	1	1	1	1	1	1	1	1	1
Q20	1	1	1	1	1	0	1	1	1	1	0.9
Q21	1	1	1	1	1	0	1	1	1	1	0.9
Q22	1	1	1	1	1	1	1	1	1	1	1
Q23	1	1	1	1	1	1	1	1	1	1	1
Q24	1	1	1	1	1	0	1	1	1	1	0.9
Q25	1	1	1	1	1	0	1	1	1	1	0.9
Q26	1	1	1	1	1	1	1	1	1	1	1
Q27	1	1	1	1	1	1	1	1	1	1	1
Q28	0	1	1	1	0	0	1	1	1	1	0.7
Attitude
Q1	1	1	1	1	1	1	1	1	1	1	1
Q2	1	1	1	1	1	1	1	1	1	1	1
Q3	1	1	1	1	1	1	1	1	1	1	1
Q4	0	0	1	1	1	1	1	1	1	1	0.8
Q5	1	1	1	1	0	1	1	1	1	1	0.9
Q6	0	1	1	1	1	1	1	1	1	1	0.9
Q7	1	1	1	1	1	1	1	1	1	1	1
Q8	1	1	1	1	1	1	1	1	1	1	1
Q9	1	0	1	1	1	1	1	1	0	1	0.8
Q10	1	1	0	1	0	1	1	1	1	1	0.8
Q11	1	1	1	1	1	1	0	1	1	1	0.9
Q12	0	1	1	1	1	0	1	1	1	1	0.8
Q13	1	1	1	1	1	0	1	1	1	1	0.9
Q14	1	1	1	1	1	1	1	1	1	1	1
Q15	1	1	1	1	1	1	1	1	1	1	1

R – rater

I-FVI – Item Face Validity Index

Table 3. Baseline socio-demographic data of the participants

Variables	N	%
Age (years)
25–30	12	10.5
31–35	18	15.8
36–40	33	28.9
41–45	20	17.5
46–50	15	13.2
>51	16	14.0
Sex
Female	91	79.8
male	23	20.2
Level of education
Diploma/certificate	59	51.8
Degree	29	25.4
Master	6	5.3
PhD	19	16.7
Ethnicity
Malay	111	97.4
Others	3	2.6
Marital status
Married	95	83.3
Single	19	16.7
Duration of service
1–5 years	18	15.8
6–10 years	26	22.8
11–15 years	18	15.8
16–20 years	25	21.9
21–25 years	16	14.0
26 years and above	11	9.6
Types of occupation
Lecturer	19	16.7
Medical Officer	11	9.6
Science Officer	5	4.4
Management Officer	1	.9
Audiologist	1	.9
Dietitian	3	2.6
Nursing tutor	5	4.4
Lab. Technician	2	1.8
Physiotherapist	1	.9
Medical assistant	11	9.6
Staff Nurse	37	32.5
Community Nurse	16	14.0
Health assistant	2	1.8

Table 4. EFA and Reliability of Knowledge section of KACV

	Factor loading	Cronbach alpha
Domain A
Vaksin MMR (Measles, Mumps, Rubella) diberikan kepada kanak-kanak bagi mencegah penyakit campak, beguk dan rubella. The MMR vaccine (Measles, Mumps, Rubella) was given to children to prevent measles, mumps and rubella	0.495	0.896
Kesan sampingan vaksin MMR (Measles, Mumps, Rubella) boleh mengancam nyawa. Side effects of the MMR vaccine (Measles, Mumps, Rubella) can be life-threatening.	.482
Kesan sampingan akibat suntikan vaksin polio boleh menyebabkan lumpuh kaki. Side effects of polio vaccine can cause paralysis of the legs.	.515
Vaksin bagi penyakit campak (Measles) boleh menyebabkan autism. The measles vaccine can cause autism.	.594
Perubatan alternatif seperti homeopati atau herba boleh menggantikan vaksin bagi melindungi daripada penyakit berjangkit. Alternative medicine such as homeopathy or herbs can replace vaccines to protect against infectious diseases.	.518
Pengambilan pelbagai jenis vaksin boleh menjejaskan sistem pertahanan ketahanan badan kanak-kanak Acquisition of various types of vaccines can affect the immune system of children.	.519
Vaksin tidak diperlukan sekiranya kanak-kanak lain di sekelilingnya telah mengambil vaksin. The vaccine is not required if the other children around unvaccinated child were vaccinated.	.811
Vaksin polio tidak diperlukan kerana penyakit polio sudah tidak wujud. The polio vaccine is not needed because polio disease is no longer exists.	.447
Vaksinasi adalah tidak perlu kerana sistem pertahanan badan semula jadi kanak-kanak sudah mencukupi. Vaccination is not necessary because the natural immune system of children is adequate.	.649
Kanak-kanak yang diberikan susu ibu secara eksklusif tidak memerlukan vaksinasi. Children who are breastfed exclusively does not require vaccination.	.787
Domain B
Vaksin BCG (Bacillus-Calmette-Guerin) diberikan kepada bayi baru lahir. The BCG (Bacillus-Calmette-Guerin) vaccine is given to newborns.	.336	0.474
Vaksin Haemophilus Influenza diberikan kepada kanak-kanak di Malaysia. Haemophilus Influenza vaccine is given to children in Malaysia.	.520
Perlindungan sepenuhnya terhadap jangkitan penyakit tidak dapat dicapai jika tidak mematuhi jadual vaksinasi. Full protection against infection cannot be achieved if not adhere to the vaccination schedule.	.310
Pemberian vaksin perlu ditangguhkan sekiranya kanak-kanak mengalami demam dengan suhu badan yang tinggi. Vaccination should be postponed if the child has a fever and high body temperature.	.392