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Table 1 List of self-administered online questionnaires

From: Impact of personal and environmental factors affecting exclusive breastfeeding practices in the first six months during the COVID-19 pandemic in Thailand: a mixed-methods approach

Outcome

Specific measure

Cronbach’s alpha, this study

Section 1

  

Sociodemographic

Maternal age (years), educational status, monthly family income, income status, work status, family characteristics, maternal leave

N/A

Reproductive and infant feeding history

parity, pregnancy planning, maternal complications, mode of delivery, infant age (month), breastfeeding intention, previous breastfeeding experience, influential people on breastfeeding practices, infant-feeding patterns, and reasons stopped breastfeeding

N/A

Section 2

  

Fear of COVID-19 Scale [16]

7 items, 5-point Likert scales ranging from 1 (strongly disagree) to 5 (strongly agree), range 7–35, higher scores indicating a high level of fear. Demonstrated reliability and validity [16, 30]

0.83

Knowledge, Attitudes, and Practices (KAP) Towards COVID-19 Scale [31]

12 items (4 aspects: clinical manifestations, transmission routes, prevention, and control of COVID-19), a true-or-false basis with an additional "I don't know" option, range 0–12, higher score denoting a better knowledge of COVID-19. Demonstrated reliability and validity [31]

0.70

The State Anxiety Inventory Form Y-1 (STAI-S) [32]

20 items, 4-point Likert scales ranging from 1 (almost never) to 4 (almost always), range 20–80, a higher score denoting a high anxiety level. Demonstrated reliability and validity [33]

0.93

Section 3

  

COVID-19 Vaccination Acceptability Tools [34]

Part 1: 27 items (24 items about a possible COVID-19 vaccination and added 3 items on BF-related COVID-19), eleven-point scale (0–10) from "strongly disagree" to "strongly agree", range 0–270, higher scores denoting a more positive attitude

Part 2: 1 item of vaccination intention, eleven-point scale (0–10) from "very unlikely" to "very likely", range 0–10, higher scores denoting higher intention for COVID-19 vaccination

Demonstrated reliability and validity [34]

0.82

The Exclusive Breastfeeding Social Support Scale (EBFSS scale) [35]

16 items (assessed 3-domains of family support; emotional, informational, and instrumental support), 3-point Likert scales, ranging from 1 (no help at all), 2 (less than you would like), and 3 (as much as you would like), range 16–48, a higher score indicating stronger support for EBF. Demonstrated reliability and validity [35]

0.90

The Health Provider Support in Breastfeeding during COVID-19 (HSBF-COVID scale) [13, 36,37,38,39]

15 items (assessed 4-domains of healthcare support; emotional, informational, instrumental, and appraisal support), 3-point Likert scales ranging from 1 (no help at all), 2 (less than you would like), and 3 (as much as you would like), range 15–45, higher scores indicating a higher level of health provider support for BF during pandemic

0.92