Twelve-month effectiveness of telephone and short message service (SMS) support to mothers with children aged 2 years in reducing children’s body mass index (BMI): a randomized controlled trial
Authors' conclusion
A staged telephone and SMS support intervention to mothers with children aged 2 years was associated with improved dietary and activity behaviors. The intervention was also associated with reduced children's BMI at age 3 years only for those from lower income households.
Study context
- Population
- Mothers of 2-year-old children (overweight/obesity proportion similar to general population), Sydney, Australia, March 2019-October 2020537 completed
- Participants
- 662 mothers
- Comparison
- Telephone and SMS support vs usual care
- Primary endpoint
- Child's BMI
- Follow-up
- 3 years of age
Methodological details470 (71%) children had weight and height measures, All outcomes based on mothers' self-report using standardized tools due to COVID-19 restrictions
- 470 (71%) children had weight and height measures
- All outcomes based on mothers' self-report using standardized tools due to COVID-19 restrictions
Primary result
As reported in the abstract
Mean BMI
- No statistically significant difference in mean BMI between the groups
- Multiple imputation analysis
Secondary outcomes
| Outcome | aOR (95% CI) | P value | |
|---|---|---|---|
| Not eating in front of the TV | 1.79 (1.17–2.73) | P = 0.008 | |
| Meeting dietary recommendations | 1.73 (0.99–3.02) | P = 0.054 | |
| Meeting activity recommendations | 1.72 (1.11–2.67) | P = 0.015 | |
| 0.20.5125Adjusted odds ratio (log scale) |
| Outcome | Intervention | Control | Difference (kg/m²) (95% CI) | P value | |
|---|---|---|---|---|---|
| Mean BMI, subgroup annual household income <AUD$80,000 · 3 years of age | mean 16.26 (SD 2.22) kg.m-2 | mean 16.84 (SD 2.37) | −0.59 (−1.15 to −0.03) | P = 0.040 | |
| −1.5−1−0.500.5Difference, kg/m² (linear scale) |
Original publication
Twelve-month effectiveness of telephone and SMS support to mothers with children aged 2 years in reducing children’s BMI: a randomized controlled trial. Int J Obes (Lond). Published 22 April 2023. doi:10.
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