Vaccine storage and stock management practices in Vihiga County, Kenya

Figures & data

Table 1. Socio-demographic characteristics of the study participants (n = 86).

Variable	Frequency	Percentage
Gender
Male	13	15.1
Female	73	84.9
Experience in the vaccine service
<2 years	16	19.8
2–5 years	29	33.7
6–10 years	26	30.2
>10 years	15	16.3
Level of education
Certificate	2	2.3
Diploma	80	93.0
Bachelor’s degree	4	4.7
Training in vaccine cold chain management
Yes	56	65.2
No	30	34.8

Table 2. Status of cold chain equipment (n = 86).

Variable	Frequency	Percentage
Availability of at least one functional refrigerator	61	70.9
Type of power supply for fridge
Electricity as the main source	61	70.9
Solar as the main Source	0	0.0
N/A	25	29.1
Availability of functional temperature monitoring device in refrigerator	61	70.9
Type of temperature monitoring device
Thermometer	0	0
Fridge tag	61	70.9
Not applicable	25	29.1
Discarded vaccines due to incorrect stock temperatures in the last six months?
	49	57.0
Available person responsible for cold chain equipment preventive maintenance?
	6	7.0
Availability of functional electricity backup	4	4.7

Table 3. Stock management practices (n = 86).

Variable	Frequency	Percentage
The presence of a vaccination micro plan	76	88.4
Use standard vaccine requisition forms	86	100
Physical stock done monthly	61	70.9
Proper storage of vaccines in the refrigerator	49	57
Vaccine and diluents quantities, batch no and expiry date recorded
	61	70.9
Calculation of vaccine wastage rate	61	70.9

Table 4. Knowledge of healthcare workers on vaccine cold chain management practices (n = 86).

Variable	Frequency	Percentage
Knew how to condition icepacks
	76	88.4
Opened multi-dose vial policy (MDVP) kept for the next immunisation sessions with visible labels
	11	12.8
Knew temperature range for vaccines stored in the refrigerator
Yes	86	100.0
Naming all heat-sensitive vaccines	36	41.9
Naming all cold-sensitive vaccines	37	43.0
Naming all light-sensitive vaccines	37	43.0
Knowing how to read and interpret VVM	86	100.0
HF following the first expiry first out (FEFO) in practice
	61	70.9
Knowing the correct interpretation of the shake test
	43	50.0

Table 5. Predictors of vaccine cold chain management practices.

Model	Standardized coefficients beta	T	Sig.
Constant	.228	0.093	.908
Status of vaccine equipment	.536	2.501	.001
Knowledge of healthcare workers	.501	2.522	.001
Stock management practices	.372	3.60	.000
Adjusted R square	.528

Data availability statement

Data used in this study are available upon a reasonable request from the first author.