Interactive Breastfeeding Scale: reliability assessment

Caniçali Primo, Cândida; Brandão, Marcos Antônio Gomes; Dias, Julia Marina Siman; Godoi, Luciana Graziela de; Monroy, Nátaly Jiménez; Resende, Fabiola Zanetti; Lima, Eliane de Fátima Almeida

doi:10.1590/2177-9465-EAN-2022-0124en

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RESEARCH • Esc. Anna. Nery 27 • 2023 • https://doi.org/10.1590/2177-9465-EAN-2022-0124en copy

Interactive Breastfeeding Scale: reliability assessment^a a Article extracted from the course conclusion work authored by Julia Marina Siman Dias under the guidance of Cândida Caniçali Primo. Defended in 2018, at the Federal University of Espírito Santo. Year 2019.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objective

to assess the Interactive Breastfeeding Scale reliability.

Method

a methodological study that followed the third stage of Pasquali’s method for the elaboration of scales, carried out with 216 postpartum women at a university hospital in southeastern Brazil. To assess reliability, percentage of agreement (p_a) above 80%, the weighted Kappa (Kp), Gwet’s second-order agreement coefficient (AC2) and Cronbach’s alpha were used.

Results

the percentage of agreement was 83.33%; the overall Cronbach’s alpha value was 0.67; the AC2 coefficient with quadratic and linear weights obtained near-perfect reliability.

Conclusion and implication for practice

the Interactive Breastfeeding Scale reliability assessment was high, and it was confirmed by the results that ensure instrument quality in the population studied, proving to be a reliable and valid instrument to assess factors that interfere in the mother-child interaction while breastfeeding.

Keywords:
Breastfeeding; Weaning; Scale; Validation Studies; Nursing Theory

Scale item	p_a	Kp	Kp in (95%) CI	Interpretation
1. I talk and look at my baby while breastfeeding.	0.927	0.628	0.515 to 0.740	Substantive
2. I can stay relaxed and comfortable to breastfeed.	0.808	0.324	0.218 to 0.430	Mild
3. I believe that the use of pacifier and nursing bottle harms breastfeeding.	0.868	0.711	0.634 to 0.788	Substantive
4. I believe breast milk supports the baby.	0.957	0.414	0.216 to 0.613	Moderate
5. I know the benefits of breastfeeding.	0.858	0.499	0.394 to 0.603	Moderate
6. My baby stays awake and relaxed during breastfeeding.	0.737	0.267	0.169 to 0.364	Mild
7. My baby spontaneously unholds my breast when sated.	0.794	0.240	0.101 to 0.379	Mild
8. I know when my baby is hungry.	0.836	0.254	0.134 to 0.373	Mild
9. My baby is calm and relaxed after breastfeeding.	0.934	0.207	0.046 to 0.368	Mild
10. I feel pain when breastfeeding.	0.777	0.421	0.321 to 0.522	Moderate
11. I can produce enough milk to breastfeed my baby.	0.875	0.404	0.269 to 0.540	Moderate
12. I believe that breast surgery interferes with breastfeeding.	0.818	0.605	0.516 to 0.693	Substantive
13. My baby sucks my breast properly.	0.848	0.301	0.178 to 0.423	Mild
14. My baby keeps constantly holding the breast.	0.824	0.248	0.136 to 0.361	Mild
15. My baby has difficulty latching my breast.	0.763	0.306	0.201 to 0.410	Mild
16. I think breastfeeding makes my breasts flaccid and sag.	0.819	0.619	0.527 to 0.710	Substantive
17. I feel unattractive during the breastfeeding period.	0.895	0.682	0.582 to 0.782	Substantive
18. I feel comfortable breastfeeding in public places.	0.881	0.675	0.580 to 0.770	Substantive
19. I cover my breast when breastfeeding in public places.	0.904	0.791	0.718 to 0.863	Substantive
20. I feel obligated to breastfeed	0.875	0.643	0.527 to 0.760	Substantive
21. I enjoy breastfeeding.	0.978	0.764	0.593 to 0.934	Substantive
22. I breastfeed because it is the best for my baby.	0.998	0.000	0.000 to 0.000	Absence
23. I have the support of my family/partner to breastfeed.	0.983	0.585	0.241 to 0.929	Moderate
24. I have professional support for breastfeeding.	0.918	0.441	0.259 to 0.624	Moderate
25. I change my opinion according to the guidance of health professionals.	0.760	0.460	0.360 to 0.559	Moderate
26. I feel influenced by my family to decide on breastfeeding.	0.838	0.437	0.300 to 0.573	Moderate
27. I feel influenced by my friends to decide on breastfeeding.	0.904	0.378	0.199 to 0.557	Mild
28. I wish to breastfeed.	0.991	0.594	0.172 to 0.001	Moderate
29. I believe that having a positive experience influences my decision to breastfeed.	0.818	0.300	0.143 to 0.456	Mild
30. I think knowing the advantages of breastfeeding helps in the decision to breastfeed.	0.943	0.192	-0.047 to 0.431	Poor

Scale item	p_a	Linear AC2	AC2 in (95%) CI	Interpretation
1	0.927	0.897	0.859 to 0.934	Almost perfect
2	0.808	0.684	0.613 to 0.755	Substantive
3	0.868	0.749	0.677 to 0.820	Substantive
4	0.957	0.952	0.928 to 0.976	Almost perfect
5	0.858	0.778	0.716 to 0.840	Substantive
6	0.737	0.453	0.364 to 0.542	Moderate
7	0.794	0.712	0.634 to 0.791	Substantive
8	0.836	0.777	0.714 to 0.841	Substantive
9	0.934	0.925	0.894 to 0.956	Almost perfect
10	0.777	0.550	0.460 to 0.640	Moderate
11	0.875	0.831	0.776 to 0.886	Almost perfect
12	0.818	0.643	0.559 to 0.728	Substantive
13	0.848	0.780	0.720 to 0.840	Substantive
14	0.824	0.748	0.682 to 0.814	Substantive
15	0.763	0.548	0.456 to 0.641	Moderate
16	0.819	0.661	0.575 to 0.747	Substantive
17	0.895	0.846	0.790 to 0.901	Almost perfect
18	0.881	0.813	0.750 to 0.876	Almost perfect
19	0.904	0.829	0.767 to 0.890	Almost perfect
20	0.875	0.824	0.761 to 0.887	Almost perfect
21	0.978	0.975	0.958 to 0.993	Almost perfect
22	0.998	0.998	0.994 a 1,000	Almost perfect
23	0.983	0.984	0.971 to 0.998	Almost perfect
24	0.918	0.902	0.862 to 0.943	Almost perfect
25	0.760	0.491	0.392 to 0.590	Moderate
26	0.838	0.771	0.701 to 0.841	Substantive
27	0.904	0.884	0.837 to 0.931	Almost perfect
28	0.991	0.990	0.982 to 0.999	Almost perfect
29	0.818	0.767	0.695 to 0.838	Substantive
30	0.943	0.939	0.907 to 0.972	Almost perfect

Interactive Breastfeeding Scale	Never		Rarely	Sometimes	Often		Always
1. I feel satisfaction when my baby is satisfied after breastfeeding.
2. I can correctly place my baby on my breast.
3. I can massage and milk my breast when I need it.
4. I have my partner’s support to breastfeed.
5. I think breastfeeding makes my breasts flaccid and sag.
6. My baby stays awake and relaxed during breastfeeding.
7. I feel comfortable breastfeeding in the presence of my family.
8. I produce enough milk to breastfeed my baby.
9. I cover my breast when breastfeeding in public places.
10. I have the support of health professionals to breastfeed.
11. I feel pain or burning when breastfeeding.
12. My baby keeps a correct holding the breast throughout the feeding.
13. I use a pacifier and nursing bottle during exclusive breastfeeding.
14. My baby is able to properly latching my areola and nipple.
15. I believe that my milk is strong and supports my baby.
16. I feel like continuing to breastfeed.
17. I feel that as a mother, I have a responsibility to breastfeed.
18. I know when my baby is hungry.
19. Health professionals interfere with my decision to breastfeed.
20. My baby spontaneously unholds my breast when sated.
21. I decided to breastfeed encouraged by mine or my family positive experience.
22. I talk to, touch or feel, and look at my baby while breastfeeding.
23. I feel unattractive during the breastfeeding period.
24. My baby is sucking properly at my breast.
25. I feel relaxed and comfortable to breastfeed.
26. I have the support of my family to breastfeed.
27. My family and / or partner interfere with my decision to breastfeed.
28. I know the benefits of breastfeeding.
29. I feel comfortable breastfeeding in public places.
30. My baby is calm and relaxed in the first hour after breastfeeding.

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[1] Corresponding author: Cândida Caniçali Primo. E-mail: candida.primo@ufes.br

Brasil

Brasil

Interactive Breastfeeding Scale: reliability assessmenta a Article extracted from the course conclusion work authored by Julia Marina Siman Dias under the guidance of Cândida Caniçali Primo. Defended in 2018, at the Federal University of Espírito Santo. Year 2019.

Abstract

Objective

Method

Results

Conclusion and implication for practice

Interactive Breastfeeding Scale: reliability assessment^a a Article extracted from the course conclusion work authored by Julia Marina Siman Dias under the guidance of Cândida Caniçali Primo. Defended in 2018, at the Federal University of Espírito Santo. Year 2019.