The Correlation Between Nutrition Index Scores and Nutrition Status of Preschool Children in a District of Shanghai

Why It Matters

Family‑centered nutrition programs can curb early‑life obesity, reducing long‑term health costs and supporting healthier adult populations.

Key Takeaways

• 1,794 preschoolers surveyed; 163 received three‑month family intervention.
• Higher NQ‑P scores linked to parental diet responsibility and family meals.
• Overweight/obese children had lower moderation domain scores.
• Post‑intervention BMI fell from 15.79 to 15.40 kg/m².
• Overweight/obesity prevalence dropped from 23.9% to 18.4%.

Pulse Analysis

Childhood malnutrition and obesity remain pressing public‑health challenges in China, with Shanghai reporting overweight rates above 17% among preschoolers. Rapid urbanization and shifting dietary patterns have amplified the risk of early‑life weight gain, which can translate into chronic disease burdens and higher healthcare expenditures later in life. Understanding the home environment’s role—particularly parental involvement and meal routines—offers a strategic lever for mitigating these trends.

The Shanghai study employed the validated Nutrition Quotient for Preschoolers (NQ‑P) to quantify dietary behaviors across balance, moderation, and environment domains. Baseline data revealed that parental dietary responsibility, daily family meals, and regular outdoor activity were the strongest predictors of higher NQ‑P scores, while children with elevated BMI‑for‑age Z‑scores lagged in moderation, consuming more processed foods and sugary drinks. The three‑month family‑centered intervention combined nutrition lectures with a habit‑tracking app, resulting in statistically significant reductions in BMI and a 5.5‑percentage‑point decline in overweight/obesity prevalence, alongside modest gains in overall NQ‑P scores.

These outcomes underscore the efficacy of low‑cost, family‑focused strategies for early obesity prevention. Policymakers and early‑education providers should consider integrating structured nutrition education and parent‑engagement tools into preschool curricula, especially in high‑SES urban districts where obesity rates are climbing. Future research with randomized controls and longer follow‑up will be essential to confirm sustainability and to adapt the model for diverse socioeconomic settings, ultimately contributing to a healthier next generation and reduced long‑term medical costs.