NSW Centre for Public Health Nutrition ‘Report on breastfeeding in NSW 2004’ Debra Hector Karen Webb Sharyn Lymer Presenting Nutrition Series Introduction for Users o The presentations are designed to assist professionals throughout NSW disseminate information on public health nutrition o Each presentation is based on an existing CPHN report o Users are requested to provide full acknowledgement of the authors, CPHN and the Department of Health o Notes version of the ppt gives table/figure and page numbers, for easy reference to the report o Further information and explanation of each slide should be sought from the report. Visit http://www.cphn.biochem.usyd.edu.au o Users should use Excel to prepare slides with data for their own areas, modelled on the samples provided o Any questions can be referred to Debra Hector, 9036 3006/9477 4351 Contents of ‘Report on breastfeeding in NSW 2004’ • Health benefits of breastfeeding • Defining breastfeeding and identifying monitoring indicators • Breastfeeding practices in NSW – 2001 data Contents of ‘Report on breastfeeding in NSW 2004’ • Health and economic burden associated with poor breastfeeding practices • Recommendations: – for the monitoring of breastfeeding in NSW – objectives/outcomes for breastfeeding promotion and support in NSW Rationale for promoting and supporting breastfeeding • Breastmilk contains a range of bioactive factors not found in formula • Substantial health benefits to mothers and infants • Economic benefits, especially to health system • Environmental benefits Rationale for promoting and supporting breastfeeding • Many of the factors associated with poor breastfeeding practices are amenable to intervention • Evidence of substantial effects, to increase the initiation and duration of breastfeeding, from intervention strategies Breastmilk ... • provides all the nutrients required by infants for at least the first six months • changes during each feed and throughout lactation • contains ‘bioactive factors’ – prevent and reduce severity of infection, help develop the immune system • e.g. the antibody IgA protects against ‘local’ pathogens (bacteria, viruses) Health benefits for women • less postpartum bleeding and more rapid uterine involution • earlier return to pre-pregnancy weight • delayed resumption of ovulation, with increased child spacing • reduced risks of pre-menopausal (and possibly post-menopausal) breast cancer and ovarian cancer • improved bone remineralization, with reduction in postmenopausal hip fractures Health benefits for infants Strong evidence that breastfeeding protects against: gastrointestinal infection otitis media (‘glue ear’) lower respiratory tract infection necrotising enterocolitis (NEC) Health benefits for infants • May be protective against bacteraemia, meningitis, botulism, urinary tract infection, SIDS • Conflicting evidence of effects of breastfeeding on asthma • Reduces the incidence of chronic diseases, such as diabetes and obesity, in childhood and later in life Breastfeeding may help prevent childhood obesity There are consistent findings from a number of recent studies showing that breastfeeding protects against overweight and obesity The precise mechanism is uncertain, with various possible explanations Economic costs of poor breastfeeding practices ... to NSW health system are estimated as $20-40 million a year based on 5 illnesses alone (gastrointestinal illness, lower respiratory infection, otitis media, eczema and NEC) Australian Dietary Guideline*: ‘Encourage and support breastfeeding’ * NHMRC 2003 • Early initiation of breastfeeding • Exclusive breastfeeding until 6 months** • Complement with appropriate food from 6 months • Continue breastfeeding until at least 12 months of age ** this recommendation is population-based – it is recognised that some infants will benefit from the introduction of solids before the age of 6 months Recommendation on Exclusive Breastfeeding • Increasing evidence that exclusive breastfeeding to 6 months is particularly beneficial to health • Australia’s infant feeding guidelines (NHMRC 2003) now recommend exclusive breastfeeding for the first 6 months (previous recommendation ‘4 to 6 months’) Types of breastfeeding Complementary Breastfeeding Full Exclusively Predominately Describing breastfeeding practices in NSW • Recommendations for national set of breastfeeding indicators (AFNMU, 2001) • Data from the NSW Child Health Survey 2001 were used to report on an interim set of breastfeeding indicators possible with the data • First state-based population survey of breastfeeding practices in NSW NSW Child Health Survey 2001 • First state-based population survey of health of children (0-12 years) in NSW • CATI survey (computer assisted telephone survey) • Infant feeding practices based on a subset of respondents – mothers or fathers of children 0-23 months • Responses based on recall • N = 1,489 (87.7% mothers) Percentage of infants 'ever breastfed' (Indicator 1) by AHS 100 98.7 93.4 % infants 95 93.7 91.7 90 86.9 88.4 90.8 90.2 Illa NSW 87 82.6 85 80 75 70 CS NS SES SWS WS CC Went Hunt Area Health Service Percentage of infants 'ever breastfed' (Indicator 1) by AHS 98.4 100 % infants 95 93.6 94.5 93.5 90.2 89 90 85.7 85 84.6 82.2 80 75 70 NR MNC NE Mac FW MW Area Health Service GM S NSW Percentage of infants 'ever breastfed' (Indicator 1) for different maternal subgroups AGE EDUCATION 100 96.1 % infants 95 90.4 90 86.8 85 84.5 80 75 < 25 yrs >25 yrs <Tert. Tertiary % infants ever breastfed Percentage of infants ever breastfed (Indicator 1), by maternal disadvantage 100 95.5 95 92.4 89.8 90 87.3 86.2 85 80 1st - Least 2nd 3rd 4th Quintile of disadvantage 5th - most Duration of any breastfeeding (Indicator 2) 100 90 80 % infants 70 60 50 40 30 20 10 0 ever 1 2 3 4 5 6 7 8 Completed months 9 10 11 12 % infants Prevalence of any breastfeeding to 4, 6 and12 months (Indicator 2) for Northern Sydney AHS 100 90 80 70 60 50 40 30 20 10 0 NS NSW 66.6 54.2 56.6 42.5 32.2 18.1 4 months 6 months 12 months Prevalence of breastfeeding at 4, 6 and 12 months (Indicator 2) by maternal country of birth 100 Aust. 90 O'seas 80 % infants 70 60 50 53.3 56.2 41.8 44.7 40 24.6 30 16.2 20 10 0 4 months 6 months 12 months Median duration of breastfeeding among 'ever breastfed' infants (Indicator 6), by AHS 12 Completed months 10 10 8 6 6 6 6 6 6 6 6 Ill NSW 5 4 4 2 0 CS NS SES SWS WS CC Went Hunt Median duration of breastfeeding among 'ever breastfed' infants (Indicator 6), by AHS 12 Completed Months 10 10 8 8 7 7 6 6 6 FW MW 7 6 6 4 2 0 NR MNC NE Macq GM South TOTAL NSW Median duration of any breastfeeding among 'ever breastfed' infants (Indicator 6), by maternal age and education Completed Months 12 10 9 8 6 6 4 5 3 2 0 < 25 yrs Age >25 yrs <Tert. Tertiary Education Median duration of any breastfeeding among 'ever breastfed' infants (Indicator 6), by socioeconomic disadvantage Completed Months 12 10 9 8 7 6 6 6 5 4 2 0 1st - Least 2nd 3rd 4th SEIFA quintile of disadvantage 5th - most Percentage of infants regularly given solid foods before 4 and before 6 months (Indicator 3), by AHS 100 60 40 20 4 m onths 6 m onths All NSW S GM MW FW Mac NE MNC NS Illa Hunt Went CC WS SWS SES NS 0 CS % infants 80 Percentage of infants given solids before 4 and 6 months (Indicator 3) for Northern Sydney AHS 80 70 NS 68.7 NSW 69.8 % infants 60 50 40 30 20 10.3 12.6 10 0 4 months 6 months Percentage of infants regularly given solds before 4 and 6 months (Indicator 3), by maternal age 90 80 79.3 <25 yrs >=25 yrs 71.8 % infants 70 60 50 40 30 20 22.6 12.2 10 0 4 months 6 months Percentage of infants regularly given solids before 4 and 6 months (Indicator 3), by maternal education 80 70 <tertiary tertiary 71.2 67.4 % infants 60 50 40 30 20 10 16.3 5.9 0 4 months 6 months Percentage of infants regularly given solids before 4 and 6 months (Indicator 3), by maternal background 90 80 79.6 ESB NESB 72.5 % infants 70 60 50 40 30 20 10 14.0 7.3 0 4 months 6 months Percentage of infants regularly given breastmilk substitutes before 4 and 6 months (Indicator 4) by AHS 100 4 months 6 months % infants 80 60 40 20 0 CS NS SES SWS WS CC Went Hunt Illa NSW Percentage of infants regularly given breastmilk substitutes before 4 and 6 months (Indicator 4) by AHS 100 4 months 6 months % infants 80 60 40 20 0 NR MNC NE Mac FW MW GM S NSW Percentage of infants given breastmilk substitutes before 4 and 6 months (Indicator 4), for Northern Sydney AHS 100 90 4 months 6 months 80 % infants 70 59.6 60 45.9 50 40 46.5 36.8 30 20 10 0 NS NSW Percentage of infants given breastmilk substitutes regularly before 4 and 6 months (Indicator 4) by maternal subgroup 100 90 ESB NESB % infants 80 70 60 50 68.3 57.2 50.5 45.4 40 30 20 10 0 4 months 6 months Percentage of infants given breastmilk substitutes before 4 and 6 months (Indicator 4) by maternal subgroup 100 90 <25 yrs >=25 yrs 80 % Infants 70 69.1 61.1 58.3 60 50 43.9 40 30 20 10 0 4 months 6 months Population rates of infants fully breastfed to 3, 4 and 6 months (Indicator 5A) by AHS 70 60 % infants 50 40 30 20 10 0 CS NS 3 months SES SWS 4 months WS 6 months CC Went Hunt Ill NSW Population rates of infants fully breastfed to 3, 4 and 6 months (Indicator 5A) by AHS 60 % infants 50 40 30 20 10 0 NR MNC 3 months NE Macq 4 months FW 6 months MW GM South TOTAL NSW Population rates of infants fully breastfed to 3, 4 and 6 months (Indicator 5A) for Northern Sydney AHS 100 NS 90 TOTAL NSW % infants 80 70 60 50 58.4 48.4 40 31.8 24.6 30 20 5.2 10 4.6 0 3 months 4 months 6 months Determinants of Breastfeeding * amenable to intervention Socio-cultural, economic and environmental factors* Sociodemographic characteristics of mother and family Breastfeeding practices - initiation - exclusivity - duration Structural and Social support* Health service organisation, practices and interventions * Health status of mother and infant Mother’s knowledge, attitude, skills * Specific aspects of feeding practices* Recommendations for focus of breastfeeding interventions: • the decline in breastfeeding that occurs in the first few months • continued breastfeeding for at least 12 months • exclusive breastfeeding to 6 months • high-risk groups: – young mothers, less-educated mothers: short duration and low intensity of breastfeeding – ATSI mothers: initiation and intensity of breastfeeding