A Revalidation of the Weight Related Behaviours Questionnaire within an Australian Pregnancy Cohort.

Shanna Fealy, John Attia, Lucy Leigh, Christopher Oldmeadow, Michael Hazelton, Maralyn Foureur, Clare E Collins, Roger Smith, Alexis Hure

Journal: Midwifery 2021;97():102951

PMID: 33677171

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Abstract

PROBLEM

Studies investigating the direct and indirect relationships between psychosocial factors (i.e. attitudes, beliefs and values), health related behaviour (diet and physical activity) and gestational weight gain are increasing. To date heterogeneity of psychosocial measurement tools has limited research progress in this area, preventing measurement of effects by meta-analysis techniques.

AIM

To conduct a revalidation analysis of a Weight Related Behaviours Questionnaire, originally developed by Kendall, Olson and Frangelico within the United States of America and assess its performance for use within the Australian context.

METHODS

A revalidation study using Exploratory Factor Analysis was undertaken to assess the factor structure and internal consistency of the six psychosocial scales of the Weight Related Behaviours Questionnaire, within the Woman and Their Children's Health (WATCH), pregnancy cohort. The questionnaire was self-completed between 18 - 20 weeks gestation. Psychosocial factors included; Weight locus of control; Self-efficacy; Attitudes towards weight gain; Body image, Feelings about the motherhood role; and Career orientation.

FINDINGS

Weight locus of control, Self-efficacy and Body image, retained the same factor structure as the original analysis. The remaining psychosocial factors observed a different factor structure in terms of loadings or number of factors. Deleted items modelling suggests the questionnaire could be strengthened and shortened.

CONCLUSION

Weight Locus of control, Self-efficacy and Body image were observed as consistent, valid and reliable psychosocial measures for use within the Australian context. Further research is needed to confirm the model and investigate the potential for combining these scales into a shorter psychosocial measurement tool.

Address: Charles Sturt University, Faculty of Science, School of Nursing, Midwifery and Indigenous Health, 7 Major Innes Road, Port Macquarie, NSW, Australia, 2444; University of Newcastle, Faculty of Health and Medicine, School of Nursing and Midwifery, University Drive, Callaghan, NSW, Australia, 2308; University of Newcastle, Faculty of Health and Medicine, School of Medicine and Public Health, University Drive, Callaghan, NSW, Australia, 2308; Hunter Medical Research Institute, Lot 1 Kookaburra Circuit, New Lambton Heights, NSW, Australia, 2305. Electronic address: [email protected].; University of Newcastle, Faculty of Health and Medicine, School of Medicine and Public Health, University Drive, Callaghan, NSW, Australia, 2308; Hunter Medical Research Institute, Lot 1 Kookaburra Circuit, New Lambton Heights, NSW, Australia, 2305.; Hunter Medical Research Institute, Lot 1 Kookaburra Circuit, New Lambton Heights, NSW, Australia, 2305.; Charles Sturt University, Faculty of Science, School of Nursing, Midwifery and Indigenous Health, 7 Major Innes Road, Port Macquarie, NSW, Australia, 2444; University of Newcastle, Faculty of Health and Medicine, School of Nursing and Midwifery, University Drive, Callaghan, NSW, Australia, 2308; Hunter Medical Research Institute, Lot 1 Kookaburra Circuit, New Lambton Heights, NSW, Australia, 2305; Priority Research Centre for Brain and Mental Health, University of Newcastle, University Drive, Callaghan, NSW, Australia, 2308.; University of Newcastle, Faculty of Health and Medicine, School of Nursing and Midwifery, University Drive, Callaghan, NSW, Australia, 2308; Hunter New England Health Nursing and Midwifery Research Centre, Australia.; University of Newcastle, Faculty of Health and Medicine, School of Health Sciences, University Drive, Callaghan, NSW, Australia, 2308; Priority Research Centre in Physical Activity and Nutrition, University of Newcastle, Ring Road, Callaghan, NSW, Australia, 2308.; University of Newcastle, Faculty of Health and Medicine, School of Medicine and Public Health, University Drive, Callaghan, NSW, Australia, 2308; Hunter Medical Research Institute, Lot 1 Kookaburra Circuit, New Lambton Heights, NSW, Australia, 2305; University of Newcastle Priority Research Centre for Reproductive Science, University of Newcastle, University Drive, Callaghan, NSW, Australia, 2308; Department of Endocrinology, John Hunter Hospital, Newcastle, NSW, Australia.

DOI: 10.1016/j.midw.2021.102951

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MeSH Terms: Australia, Body Mass Index, Child, Female, Gestational Weight Gain, Humans, Pregnancy, Surveys and Questionnaires, Weight Gain