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. 2021 Oct 8;39:107459. doi: 10.1016/j.dib.2021.107459

A population-based dataset concerning predictors of willingness to get a COVID-19 vaccine in Iran

Amir H Pakpour a,b,⁎⁎, Rafat Yahaghi a, Safie Ahmadizade a, Razie Fotuhi a, Elham Taherkhani a, Mehdi Ranjbaran a, Zeinab Buchali a, Chung-Ying Lin c,, Mark D Griffiths d, Anders Broström b
PMCID: PMC8500683  PMID: 34660863

Abstract

The global issue of preventing the spread of COVID-19 is challenging. One of the most efficient ways to control the pandemic is to have a full coverage of COVID-19 vaccination. Therefore, this paper collected survey data to understand the intention and willingness of COVID-19 vaccination uptake in Qazvin, Iran. With the use of a paper-and-pencil method and multistage stratified cluster sampling, research personnel approached and interviewed a representative sample of adults in Qazvin (n = 10843) between February 19 and April 9, 2021. The survey asked questions regarding sociodemographic information, fear of COVID-19, perceived COVID-19 infectability, perceived behavioral control over COVID-19 vaccination, subjective norm of COVID-19 vaccination, attitude towards COVID-19 vaccination, and intention to get COVID-19 vaccinated. The data collected from this survey were analyzed using descriptive statistics, which were carried out using the IBM SPSS version 17.0.

Keywords: COVID-19, Intention, Iran, Survey, Vaccination

Specifications Table

Subject Infectious diseases and public health
Specific subject area Health behaviors and psychology
Type of data Tables
How data were acquired Data were collected using paper-and-pencil method where interviewee completed the form. A copy of the survey is included as Supplementary File.
Data format Raw, analyzed
Parameters for data collection The target population was adult general population in Qazvin, Iran (n=10843). The survey questions include basic sociodemographic information, fear of COVID-19, perceived COVID-19 infectability, perceived behavioral control over COVID-19 vaccination, subjective norm of COVID-19 vaccination, attitude toward COVID-19 vaccination, and intention to get COVID-19 vaccinated.
Description of data collection The data were collected using paper-and-pencil method and multistage stratified cluster sampling. Several interviewers who were well trained approached eligible participants to complete the survey questions. The participants were a representative sample in Qazvin.
Data source location The data were collected by the Social Determinants of Health Research Center, Qazvin University of Medical Sciences – Iran.
Data accessibility Repository name: Harvard Dataverse
Data identification number:
doi: 10.7910/DVN/IETC88
Direct URL to data:
https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/IETC88

Value of the Data

  • This dataset is useful because it comprises data from a largescale study that includes a representative sample in Qazvin Iran to assess factors related to willingness of COVID-19 vaccination uptake, including fear of COVID-19, perceived COVID-19 infectability, attitude toward COVID-19 vaccination, subjective norm of COVID-19 vaccination, and perceived behavioral control over COVID-19 vaccination. Moreover, intention toward getting COVID-19 vaccinated was assessed in this dataset.

  • The dataset can benefit the following personnel: researchers in communicable disease, health behavior, health promotion, health psychology, public health, and epidemiology because the findings provide information and knowledge regarding general population's attitudes, subjective norm, perceived behavioral control, and intention toward COVID-19 vaccination. Moreover, the information of perceived COVID-19 infectability was collected in this dataset. Therefore, different health disciplines can use the data for health promotion and education to advocate and elevate general population's willingness to get COVID-19 vaccinated.

  • The dataset is useful for academic researchers who would like to understand the underlying psychological mechanisms of intention to uptake COVID-19 vaccination. More specifically, the present study's results can be compared with relevant studies from other countries to examine whether the psychological mechanisms can be applied to different countries. Moreover, systematic review and meta-analysis studies can be conducted in the future.

  • The findings from the present dataset may assist the authorities, including government and health policymakers, in decision making by using scientific evidence to develop and implement COVID-19 vaccination uptake guidelines.

1. Data Description

With the use of a representative sample, the present dataset provides insightful and useful information regarding COVID-19 vaccination uptake. The information was collected via paper-and-pencil survey data in a general population of Qazvin, Iran. The present dataset included survey data from 10843 adults to understand their intention to get COVID-19 vaccinated. Moreover, potential factors that can explain intention to get COVID-19 vaccinated were collected. These factors were derived from two important health behavior theories: Theory of Planned Behavior [1] and Protection Motivation Theory [2]. More specifically, the factors derived from the Theory of Planned Behavior include attitude toward COVID-19 vaccination (i.e., how an individual evaluates the value of COVID-19 vaccination), subjective norm of COVID-19 vaccination (i.e., how an individual perceives others’ opinions toward COVID-19 vaccination), and perceived behavioral control over COVID-19 vaccination (i.e., how an individual has confidence in getting COVID-19 vaccinated) [3,4]. The factors derived from the Protection Motivation Theory include fear of COVID-19 and perceived infectability (i.e., how an individual perceives the possibility of getting COVID-19 infection) [5,6]. The English version of the survey questionnaire is attached as a supplementary file. With understanding the intention of COVID-19 vaccination uptake (i.e., how an individual is willing to get COVID-19 vaccinated), herd immunity may be achieved [7]; subsequently, psychological distress induced by the COVID-19 may be somewhat lessened [8], [9], [10], [11]. Table 1 illustrates the participants’ sociodemographic characteristics. Tables 2 and 3 shows the distributions of responses related to the factors in the Theory of Planned Behavior. More specifically, Table 2 presents participants’ attitude toward COVID-19 vaccination; Table 3 presents participants’ subjective norm of COVID-19 vaccination, perceived behavioral control over COVID-19 vaccination, and intention to get COVID-19 vaccinated. Tables 4 and 5 demonstrates the distributions of responses related to the factors in the Protection Motivation Theory. More specifically, Table 4 presents participants’ fear of COVID-19 and Table 5 presents participants’ perceived COVID-19 infectability.

Table 1.

Distribution of responses in relation to socio-demographic variables.

Socio – demographics Frequency Percentages
Age group; Mean ± SD = 35.54 ± 12.00 years
18–29 years 3431 31.6
30–39 years 3820 35.2
40–49 years 2327 21.5
50–59 years 815 7.5
60 years and above (elderly) 438 4.0
Gender
Male 4092 37.7
Female 6751 62.3
Educational status
No formal education 352 3.2
Primary school (up to 6) 986 9.1
Secondary school (7 to 9) 1540 14.2
Higher school (10 to 12) 974 9.0
Diploma 2761 25.5
University 4230 39.0
Divisional residence
Qazvin 4787 44.1
Takestan 1336 12.3
Avaj 307 2.8
Alborz 1145 10.6
Buin Zahra 988 9.1
Abyek 753 6.9
Eqbaliyeh 453 4.2
Mohammadiyeh 872 8.0
Administrative residence
Rural 2656 24.5
City 8187 75.5
Marital status
Unmarried 2751 25.4
Married 8092 74.6
Having a child
Yes 3884 35.8
No 6959 64.2

Table 2.

Distribution of responses in relation to Attitude toward COVID-19 vaccination.

Attitude toward COVID-19 vaccination Frequency Percentages

For me, getting the COVID-19 vaccination would be …
extremely bad (1) 439 4.0
(2) 332 3.1
(3) 3081 28.4
(4) 2638 24.3
extremely good (5) 4304 39.7
extremely undesirable (1) 413 3.8
(2) 530 4.9
(3) 2733 25.2
(4) 3191 29.4
extremely desirable (5) 3928 36.2
extremely unimportant (1) 374 3.4
(2) 403 3.7
(3) 2788 25.7
(4) 3421 31.6
extremely important (5) 3802 35.1
extremely useless (1) 439 4.0
(2) 451 4.2
(3) 2863 26.4
(4) 3473 32.0
extremely useful (5) 3567 32.9
extremely unfavorable (1) 779 7.2
(2) 718 6.6
(3) 2754 25.4
(4) 2989 27.6
extremely favorable (5) 3568 32.9
extremely harmful (1) 618 5.7
(2) 587 5.4
(3) 2446 22.6
(4) 3339 30.8
extremely beneficial (5) 3817 35.2

Table 3.

Distribution of responses related to subjective norms, perceived behavioral control and intention.

Frequency Percentages
Most people who are important to me would want me to get a COVID-19 vaccination Strongly Disagree 658 6.1
Disagree 747 6.9
Neutral 2419 22.3
Agree 3052 28.1
Strongly Agree 3935 36.3

Most people who are important to me would think I should get a COVID-19 vaccination Strongly Disagree 608 5.6
Disagree 708 6.5
Neutral 2414 22.3
Agree 3179 29.3
Strongly Agree 3898 35.9

Whether or not I get a COVID-19 vaccination is completely up to me. Strongly Disagree 833 7.7
Disagree 613 5.7
Neutral 2764 25.5
Agree 2559 23.6
Strongly Agree 4042 37.3

I have resources, time and opportunities to get a COVID-19 vaccination. Strongly Disagree 451 4.2
Disagree 832 7.7
Neutral 2157 19.9
Agree 3101 28.6
Strongly Agree 4265 39.3

I am willing to get a COVID-19 vaccination. Strongly Disagree 631 5.8
Disagree 564 5.2
Neutral 2430 22.4
Agree 3246 29.9
Strongly Agree 3932 36.3

I want to get a COVID-19 vaccination. Strongly Disagree 640 5.9
Disagree 588 5.4
Neutral 2624 24.2
Agree 3198 29.5
Strongly Agree 3750 34.6

Table 4.

Distribution of responses on the fear of COVID-19 scale.

Fear of COVID-19 Scale (FCV-19S) Frequency Percentages
I am most afraid of Coronavirus-19 Strongly disagree 1181 10.9
Disagree 1315 12.1
Neither agree nor disagree 1410 13.0
Agree 3572 32.9
Strongly agree 3330 30.7

It makes me uncomfortable to think about Coronavirus-19 Strongly disagree 1020 9.4
Disagree 1352 12.5
Neither agree nor disagree 1403 12.9
Agree 4175 38.5
Strongly agree 2861 26.4

My hands become clammy when I think about Coronavirus-19 Strongly disagree 3108 28.7
Disagree 3317 30.6
Neither agree nor disagree 2221 20.5
Agree 1340 12.4
Strongly agree 822 7.6

I am afraid of losing my life because of Coronavirus-19 Strongly disagree 1389 12.8
Disagree 1330 12.3
Neither agree nor disagree 1611 14.9
Agree 3349 30.9
Strongly agree 3130 28.9

When watching news and stories about Coronavirus-19 on social media, I become nervous or anxious. Strongly disagree 1509 13.9
Disagree 1966 18.1
Neither agree nor disagree 1830 16.9
Agree 3595 33.2
Strongly agree 1909 17.6

I cannot sleep because I'm worrying about getting Coronavirus-19 Strongly disagree 3348 30.9
Disagree 3290 30.3
Neither agree nor disagree 1812 16.7
Agree 1507 13.9
Strongly agree 859 7.9

My heart races or palpitates when I think about getting Coronavirus-19 Strongly disagree 3054 28.2
Disagree 3357 31.0
Neither agree nor disagree 1723 15.9
Agree 1837 16.9
Strongly agree 836 7.7

Table 5.

Distribution of responses on the Perceived COVID-19 infectability.

Perceived COVID-19 infectability Frequency Percentages
If a COVID-19 patient is “going around”, I will get it Strongly disagree 2307 21.3
Disagree 2355 21.7
Neither agree nor disagree 1913 17.6
Agree 1997 18.4
Strongly agree 2234 20.6

My past experiences make me believe I am not likely to get COVID-19 even when my friends are sick Strongly disagree 1057 9.7
Disagree 1553 14.3
Neither agree nor disagree 2448 20.7
Agree 2827 26.1
Strongly agree 3120 28.8

In general, I am very susceptible to colds, flu, COVID-19 and other infectious diseases Strongly disagree 836 7.7
Disagree 1177 10.9
Neither agree nor disagree 2320 21.4
Agree 3191 29.4
Strongly agree 3282 30.3

I am unlikely to catch a cold, flu, COVID-19 or other illness, even if it is “going around”* Strongly disagree 2053 18.9
Disagree 2080 19.2
Neither agree nor disagree 2691 24.8
Agree 2452 22.6
Strongly agree 1527 14.1

My immune system protects me from COVID-19 that other people get* Strongly disagree 1323 12.2
Disagree 1455 13.4
Neither agree nor disagree 1669 15.4
Agree 2688 24.8
Strongly agree 3675 33.9

= Reverse scored.

2. Experimental Design, Materials and Methods

The study was carried out using a cross-sectional design with multistage stratified cluster sampling among Qazvin adult residents, which comprised a representative sample of the general population in Qazvin, Iran [12]. Qazvin, a province located in the central part of Iran, is 50 km northwest of Tehran. The 2018 census, which is the latest census, shows that the province has a population of 1,273,761, where 51% were male. The first step of the multistage stratified cluster sampling was to decide six cities as clusters and Qazvin, Takestan, Avaj, Alborz, Buin Zahra, and Abyek were subsequently considered as the present study's clusters. In the second step, each city was stratified according to its urban and rural areas. In the third step, several health centers in each urban and rural areas were randomly selected. In the fourth step, the centers provided a list of families that were covered by their service and the families were randomly selected for participation. In the final step, several interviewers (who received standard training) visited the homes of the selected participants and interviewed the families for this survey. The survey period was between February 19 and April 9, 2021.

The eligibility of the participants depended on fulfilling the following inclusion criteria. First, they had to be an adult resident in Qazvin province who was aged 18 years or above; and second, the participant had to be willing to participate after fully understanding the study's purpose and interview procedure. Moreover, the only exclusion criterion was that participants could not be could either guests or tourists in Iran during the survey period. In order to verify the participants’ willingness to participate, each participant provided a written Informed consent. All the data were analyzed using descriptive statics (i.e., mean with SD; frequency with percentage) and internal consistency (i.e., Cronbach's α) carried out by the IBM SPSS 17.0.

Fear of COVID-19 was assessed using the 7-item Fear of COVID-19 Scale (FCV-19S), where all the items were rated on a 5-point Likert scale [13]; the FCV-19S had satisfactory psychometric properties in the present dataset (internal consistency α = 0.88). Perceived COVID-19 infectability was assessed using 5 items rated on a 5-point Likert scale; the 5 items had satisfactory psychometric properties in the present dataset (internal consistency α = 0.70). Perceived behavioral control over COVID-19 vaccination was assessed using 2 items rated on a 5-point Likert scale; the 2 items had satisfactory psychometric properties in the present dataset (internal consistency α = 0.75). Subjective norm of COVID-19 vaccination was assessed using 2 items rated on a 5-point Likert scale; the 2 items had satisfactory psychometric properties in the present dataset (internal consistency α = 0.89). Attitude towards COVID-19 vaccination was assessed using 6 items rated on a 5-point Likert scale; the 6 items had satisfactory psychometric properties in the present dataset (internal consistency α = 0.94). Intention to get COVID-19 vaccinated was assessed using 2 items rated on a 5-point Likert scale; the 2 items had satisfactory psychometric properties in the present dataset (internal consistency α = 0.92).

Ethics Statement

In collecting the data, the 1975 Helsinki declaration and ethical permission to collect the data was granted from the Ethics Committee of Qazvin University of Medical Sciences (protocol code: IR.QUMS.REC.1399.418; date of approval: 20 January 2021). Additionally, written informed consent was provided by all participants prior to starting the survey. They were informed about the purpose and nature of the data and they had the right to withdraw their data if they wanted to.

CRediT authorship contribution statement

Amir H. Pakpour: Conceptualization, Investigation, Writing – original draft, Funding acquisition, Formal analysis, Supervision. Rafat Yahaghi: Data curation. Safie Ahmadizade: Data curation. Razie Fotuhi: Data curation. Elham Taherkhani: Data curation. Mehdi Ranjbaran: Data curation. Zeinab Buchali: Data curation. Chung-Ying Lin: Investigation, Writing – original draft, Formal analysis. Mark D. Griffiths: Writing – original draft. Anders Broström: Data curation, Investigation.

Declaration of Competing Interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Footnotes

Supplementary material associated with this article can be found in the online version at doi:10.1016/j.dib.2021.107459.

Contributor Information

Amir H. Pakpour, Email: amir.pakpour@ju.se.

Chung-Ying Lin, Email: cylin36933@gs.ncku.edu.tw.

Appendix. Supplementary materials

mmc1.docx (25.3KB, docx)

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Supplementary Materials

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