Challenges in bringing about nutritional change (sociocultural, environmental and commercial factors) for VCE Health and Human Development Unit 3 AoS 2

What this dot point is asking

The 2025 study design key knowledge is "challenges in bringing about nutritional change, including sociocultural, environmental and commercial factors", and the matching key skill is to "draw conclusions as to why nutritional improvements are difficult to achieve in Australia". It sits beside the key knowledge on initiatives to promote healthy eating (the Australian Dietary Guidelines and the two Guides to Healthy Eating), so a common exam pattern is: describe an initiative, then explain why it has not changed the nation's diet as much as hoped.

The topic has been examined in each of the last three exams:

• 2022 Q14 (10-mark extended response): the third bullet asked students to discuss "challenges that make dietary improvements difficult to achieve", using a stimulus about a child surrounded by fast-food outlets, soft drink advertising and sponsorship.
• 2024 Q6b (3 marks): how the marketing of processed food to children makes dietary improvements difficult to achieve.
• 2025 Q2b (3 marks): how one environmental challenge affects the ability to bring about nutritional change.

How big is the gap? (ABS 2023 data)

The National Nutrition and Physical Activity Survey (NNPAS), run by the ABS from January 2023 to March 2024, is the first national dietary survey of its kind since 2011-12. It excludes very remote areas and discrete Aboriginal and Torres Strait Islander communities, so it understates the barriers faced there. Its results show how far Australians' usual diets are from the Australian Dietary Guidelines.

Source: ABS, Consumption of food groups from the Australian Dietary Guidelines, 2023 (released 10 July 2026).

Other 2023 findings (ABS, Food and nutrients, 2023, released 5 September 2025):

• Discretionary foods supplied 31.3 per cent of daily energy (2,541 kJ), down from 35.4 per cent in 2011-12.
• Average sodium intake was just under 2,400 mg a day, about a teaspoon of salt.
• Almost two-thirds (63.7 per cent) of people had an inadequate calcium intake from food and drinks.
• 28.9 per cent of people consumed sweetened beverages, and sugar-sweetened drinks were most commonly consumed by 12 to 17 year olds (33.9 per cent) and 18 to 29 year olds (31.3 per cent) (ABS, Sweetened beverages, 2023).

Why it matters. Dietary risks caused 4.8 per cent of Australia's total burden of disease in 2024, the third-largest risk factor group, and 22 per cent of the burden from coronary heart disease. A diet low in legumes contributed the most, followed by a diet high in sodium, low in wholegrains and high-fibre cereals, and high in red meat (AIHW, Australian Burden of Disease Study 2024).

What counts as "nutritional change"?

The 2025 examiners' report is explicit: saying a factor makes it harder to "eat healthily" is not enough. You must name a specific nutritional or dietary change, such as:

• increasing fruit, vegetables, legumes, wholegrains, fibre or dairy (calcium);
• decreasing foods high in saturated fat, salt (sodium) or sugar, processed foods, energy-dense foods or sugar-sweetened drinks.

Every challenge you describe should therefore finish with a sentence like "... so the person is less likely to increase their vegetable intake" or "... so they continue to eat takeaway foods high in saturated fat and salt."

Sociocultural challenges

Sociocultural factors are the social and cultural conditions of people's lives. They include:

Socioeconomic status, income and food insecurity

Healthy diets require regular spending on perishable foods. In 2023, 13.2 per cent of households (1.3 million) experienced food insecurity because of a lack of money for food at some time in the previous 12 months, and 8.5 per cent experienced moderate or severe food insecurity. Almost one in four (23.2 per cent) of the lowest income households were food insecure, more than six times the rate of the highest income households (3.6 per cent). Lone parent households with dependent children (34.0 per cent) were the most likely to be affected (ABS). When budgets are tight, people choose cheap, filling, energy-dense foods and cut back on fresh vegetables, fruit and lean meat.

Education, knowledge and food skills

People with lower health literacy may find it hard to interpret nutrition information panels, understand serve sizes or plan meals. Lack of cooking skills pushes people towards pre-prepared and takeaway meals, which are generally higher in salt and saturated fat.

Family, culture and tradition

Eating patterns are learned in families and cultural groups. Foods served at celebrations and family meals carry meaning, so people may resist swapping them even when they are high in fat or sugar. Parents' food choices shape children's taste preferences.

Peers, social occasions and social media

Eating out, parties and sport canteens normalise discretionary foods. For adolescents, eating what friends eat and what influencers promote can outweigh health advice, which helps explain why sugar-sweetened drinks peak in the 12 to 17 and 18 to 29 age groups.

Time and work patterns

Long hours, shift work and caring responsibilities reduce time for shopping and cooking, so convenience foods replace meals cooked from fresh ingredients.

Taste preferences and habits

Humans are drawn to foods high in fat, sugar and salt, and habits formed in childhood persist. Taste preference was accepted by the 2024 examiners as a challenge linked to marketing.

Environmental challenges

Environmental factors are the physical surroundings in which people live, work and buy food. The 2025 examiners' list is a reliable checklist:

• Geographic location. Remote communities pay far more for fresh food and have less choice. The 2023 Northern Territory Market Basket Survey found a healthy food basket (feeding a family of six for a fortnight) cost 40 per cent more in remote stores than in district centre supermarkets; for example $1,023 in Top End remote stores compared with $721 in a Darwin supermarket. Freight distances also reduce the quality and shelf life of fresh produce.
• Housing environment. Overcrowded or insecure housing, or housing without a working stove, oven, fridge or storage, makes it hard to cook fresh food, so people rely on takeaway or packaged meals.
• Access to physical resources. A neighbourhood with many fast-food outlets and few fresh food shops, or a school canteen and workplace vending machines full of discretionary foods, makes the unhealthy option the easy one.
• Transport. Without a car or reliable public transport, carrying a week's fresh food home is difficult, so people buy from nearby convenience stores with higher prices and fewer healthy options.
• Workplaces. Work environments with limited break times or no kitchen facilities push workers towards takeaway.
• Climate and weather. Heat shortens the storage life of fresh food in remote areas; floods, droughts and other extreme weather damage crops and cut supply routes, raising prices of fruit and vegetables.
• Built environment and infrastructure. Poor roads, limited cold storage and few supermarkets restrict the supply of perishable foods.

Commercial challenges

Commercial factors come from the businesses that produce, market and sell food. They are powerful because the food industry spends heavily to shape what people want and buy.

Marketing and advertising

Children and adults are surrounded by promotion of processed foods: television and online advertising, social media and influencers, sponsorship of sport, outdoor billboards and bus stops, and in-store displays. The 2024 examiners listed techniques such as bright colours, cartoon characters on cereal boxes, toys and children's meal deals, and advertising during children's viewing times. Repeated exposure builds brand loyalty and preferences for foods high in sugar, salt and fat.

Weak regulation of marketing

As of mid-2025 there was no Australian Government regulation specifically protecting children from unhealthy food marketing (Obesity Evidence Hub). Limits come mainly from advertising industry codes, such as the Australian Association of National Advertisers Food and Beverages Advertising Code (in effect since 1 November 2021), which defines children as under 15 and is administered by industry. The Department of Health, Disability and Ageing has published a feasibility study on options to limit unhealthy food marketing to children.

Labelling and packaging

The Health Star Rating system rates packaged foods from half a star to five stars, but it is voluntary. Food ministers set a target for 70 per cent of intended products to display a rating by November 2025; the target was not met, and in February 2026 they asked Food Standards Australia New Zealand to consider making it mandatory. FSANZ raised Proposal P1067 and ran a first call for submissions from 7 May to 5 July 2026. Until a rating appears on every product, shoppers cannot easily compare products, and companies can choose to label only their better-scoring ones. Packaging claims such as "natural" or "no artificial colours" can make processed foods seem healthy (the 2022 exam stimulus used exactly this example).

Price promotions, placement and portion size

Discounts, multi-buy deals and prominent placement (end-of-aisle and checkout displays) are common for snack foods and soft drinks. Larger portion sizes and "upsizing" increase energy, sugar and fat intake.

Convenience and availability

Food delivery apps and long trading hours make takeaway food available at any time, competing with meals cooked from fresh ingredients.

Drawing conclusions: why change is so hard

"Draw conclusions" questions want you to go beyond listing barriers. Strong conclusions include:

1. The factors reinforce each other. A low-income family (sociocultural) living in an outer suburb with many fast-food outlets and poor transport (environmental), exposed daily to advertising for cheap processed food (commercial), faces every barrier at once.
2. Knowledge is not enough. The Australian Dietary Guidelines and the Australian Guide to Healthy Eating develop personal skills, but they cannot change prices, housing, shop locations or marketing. This is why vegetable intake remains very low despite decades of education.
3. Disadvantaged groups face the biggest barriers, so poor diet contributes to variations in health status between groups (for example by socioeconomic status and remoteness).
4. Lasting change needs the social model of health: healthy public policy (mandatory Health Star Ratings, marketing limits), supportive environments (affordable fresh food in remote stores, healthy canteens) and community action, alongside education.

Command terms and how to answer them

How this dot point appears in the VCE exam

• Short answer (2 to 3 marks): identify and describe one sociocultural, environmental or commercial challenge (2025 Q2b), or discuss one commercial practice such as marketing to children (2024 Q6b).
• Linked questions (4 to 6 marks): paired with the Australian Dietary Guidelines or the Guides to Healthy Eating, asking you to explain why an initiative has limited impact.
• Extended response (10 marks): challenges may be one bullet of a data-based question, as in 2022 Q14. Use the stimulus data, name specific foods and nutrients, and draw a conclusion about why the factors combine.