Non-Cochrane · intervention · PM35807827

Complementary Feeding Caregivers' Practices and Growth, Risk of Overweight/Obesity, and Other Non-Communicable Diseases: A Systematic Review and Meta-Analysis.

Bergamini Marcello, Simeone Giovanni, Verga Maria Carmen, et al. · Nutrients · 2022 · PubMed · doi:10.3390/nu14132646

Oral HealthDental cariesAMSTAR 2: Low / Critically Low (extractors disagree)
Full textEvery question was extracted from the full text, figures and supplements by two independent LLM extractors, disagreements adjudicated. Rows cite where in the review the value comes from.
Questions
20
current version
GRADE rated
8
No studies
7
Included studies
24
linked below
No studies 7 · 35%Ungraded 5 · 25%Very low 4 · 20%Low 3 · 15%Moderate 1 · 5%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationHealthy, term-born, normal-birth-weight, breastfed and/or formula-fed children aged 4-24 months (or older for long-term outcomes) in Western industrialized countriesHealthy children aged 4-24 months in Western industrialized countries
InterventionCaregivers' feeding practices: baby-led weaning (BLW), Baby-Led Introduction to SolidS (BLISS), and responsive complementary feeding (RCF)BLW, BLISS, and RCF
ComparisonTraditional complementary feeding (TCF) and non-responsive complementary feeding (NRCF)Traditional and non-responsive complementary feeding
OutcomesPrimary: growth (weight-length gain), risk of overweight/obesity, risk of choking. Additional: risk of dental caries, type 2 diabetes, and hypertension later in lifeWeight-length gain, overweight/obesity, and choking had eligible evidence; no eligible studies for dental caries, type 2 diabetes, or hypertension
Study designsRetrospective observational studies and prospective controlled studies/RCTs (educational interventions for caregivers); evidence-based guidelines and previously published good-quality systematic reviews used as supporting evidenceObservational studies (cross-sectional, case-control, prospective cohort) and RCTs, accessed partly through 5 included systematic reviews; ~24 primary studies across questions
Timing4-24 months, with short- and long-term (later-life) outcomesFollow-up from 13 months to 78 months (to ~3-5 years)

Search date: Updated to September 2021. Databases: Not specified (full search strategy and sources in Supplementary File S1)

Questions and results

Baby-led weaning (BLW) vs Other models of complementary feeding (traditional CF)

Population: Healthy, term-born, normal-birth-weight infants aged 4-24 months (breastfed and/or formula-fed) in Western industrialized countries
6 questions
OutcomeEffectEvidenceStatus / GRADE
Overweight/obesity risk
Follow-up interval 18-78 months · BLW; observational studies
Among observational studies, baby-led weaning was associated with lower odds of overweight/obesity than other feeding models (OR 0.37, 95% CI 0.25 to 0.55), but certainty is very low.
Source: Table 2 (SoF, row 1); Results 3.2; Supplementary File S4 (Analysis 1.2) · same question in other reviews
OR 0.37 [0.25, 0.55]
388 per 1000 vs 189 per 1000
3 studies · 969 participantsVery low
Downgraded: risk of bias, inconsistency
Overweight/obesity risk
18–78 months · BLW observational studies
Population: Healthy children aged 6–24 months in Western industrialized countries
BLW was associated with lower overweight/obesity risk in observational studies, but the certainty was very low.
Source: Table 2; Results 3.2 · same question in other reviews
OR 0.37 [0.25, 0.55]
388 per 1,000 (299 to 485) vs 189 per 1,000
3 studies · 969 participantsVery low
Downgraded: risk of bias
Choking events
during complementary feeding · BLW/BLISS
Population: Healthy children aged 6–24 months in Western industrialized countries
No statistically significant difference in choking events between BLW/BLISS and TCF was reported.
Source: Results 3.5 · same question in other reviews
no estimate extracted6 studiesUngraded
Infant weight-length gain (achievement of adequate weight)
Measured at 18-78 months of age · observational studies
Baby-led weaning/BLISS did not significantly influence infant weight-length (adequate weight) gain versus other complementary feeding models (pooled OR 1.36, 95% CI 0.18 to 10.51; ungraded).
Source: Results 3.1; Supplementary File S4 (Analysis 1.1) · same question in other reviews
OR 1.36 [0.18, 10.51]3 studiesUngraded
Overweight/obesity risk
Follow-up to 24 months · BLISS; randomized controlled trials
In RCTs, BLISS did not significantly change overweight/obesity risk versus traditional feeding (RR 0.15, 95% CI 0.00 to 17.79; low certainty).
Source: Table 2 (SoF, row 2); Results 3.2 · same question in other reviews
RR 0.15 [0.00, 17.79]
142 per 1000 vs 17 per 1000
2 studies · 457 participantsLow
Downgraded: risk of bias, imprecision
Choking
Infancy to ~24-36 months
No significant difference in choking risk was found between BLW/BLISS-fed and traditionally fed infants (ungraded).
Source: Results 3.5; Discussion 4.2 · same question in other reviews
No statistically significant differences in the rate of choking events were observed between TCF-fed infants and BLW/BLISS-fed infants (2 BLW observational studies, 1 BLISS RCT, plus 3 later studies; not pooled).6 studiesUngraded

Responsive complementary feeding (RCF) vs Control (usual care)

Population: Healthy, term-born, normal-birth-weight infants aged 4-24 months (breastfed and/or formula-fed) in Western industrialized countries
8 questions
OutcomeEffectEvidenceStatus / GRADE
BMI z-score (overweight/obesity) at 13 months
13 months
In one RCT, responsive complementary feeding lowered BMIz at 13 months versus control (0.23 vs 0.42, p=0.01; low certainty).
Source: Table 3 (SoF, row 2); Results 3.3-3.4 · same question in other reviews
Risk of overweight and obesity after 13 mo (RCT, BMIz): DANIELS 2012 - children in the intervention group had a lower BMIz at 13 months than controls (0.23 +/- 0.93 vs 0.42 +/- 0.85; p = 0.01); 698 (1 RCT); Low.1 study · 698 participantsLow
Downgraded: risk of bias, imprecision
Type 2 diabetes (later in life)
Later in life
No eligible studies examined the influence of complementary feeding practices on later type 2 diabetes; this is an evidence gap.
Source: Results 3.6 · same question in other reviews
No studies on the influence of caregivers' feeding practices during complementary feeding on type 2 diabetes later in life were identified.0 studiesNo studies
Physical growth / weight gain
First 2 years (up to 3-5 years)
Two RCTs suggest responsive complementary feeding leads to better weight gain in the first two years, though effects were small and not always sustained (ungraded).
Source: Results 3.3; Discussion 4.1.2 · same question in other reviews
The results of the two RCTs are consistent and suggest that RF during CF is effective, leading to better weight gain in the first 2 years of life; observational cohort results (2 RCTs and 5 observational studies) were…7 studiesUngraded
Hypertension (later in life)
Later in life
No eligible studies examined the influence of complementary feeding practices on later hypertension; this is an evidence gap.
Source: Results 3.7 · same question in other reviews
No studies on the influence of caregivers' feeding practices during complementary feeding on hypertension later in life were identified.0 studiesNo studies
Overweight/obesity risk
Follow-up to 3 years
Responsive complementary feeding probably reduces the risk of overweight/obesity versus other feeding models (RR 0.41, 95% CI 0.24 to 0.71; moderate certainty).
Source: Table 3 (SoF, row 1); Results 3.4 · same question in other reviews
RR 0.41 [0.24, 0.71]
185 per 1000 vs 76 per 1000
2 studies · 478 participantsModerate
Downgraded: risk of bias
Choking
Infancy
No systematic reviews or studies assessed choking risk for RCF or NRCF (only BLW/BLISS); this is an evidence gap.
Source: Results 3.5 (final sentence) · same question in other reviews
No SRs or studies relevant to the risk of choking were found that included NRCF or RCF approaches other than those specifically defined as BLW or BLISS.0 studiesNo studies
Overweight/obesity risk
24 months · BLISS RCTs
Population: Healthy children aged 6–24 months in Western industrialized countries
BLISS did not show a statistically significant reduction in overweight/obesity risk at 24 months (low certainty).
Source: Table 2; Results 3.2 · same question in other reviews
RR 0.15 [0.00, 17.79]
142 per 1,000 vs 17 per 1,000
2 studies · 457 participantsLow
Downgraded: risk of bias, inconsistency
Dental caries (later in life)
Later in life
No eligible studies examined the influence of complementary feeding practices on later dental caries; this is an evidence gap.
Source: Results 3.8 · same question in other reviews
No studies on the influence of caregivers' feeding practices during complementary feeding on dental caries later in life were identified.0 studiesNo studies

Responsive complementary feeding (RCF) vs Other models of complementary feeding

Population: Healthy children aged 6–24 months in Western industrialized countries
5 questions
OutcomeEffectEvidenceStatus / GRADE
Hypertension
No eligible studies on caregivers' feeding practices during complementary feeding and later hypertension were found.
Source: Results 3.7 · same question in other reviews
no estimate extracted0 studiesNo studies
Dental caries
No eligible trials explored caregivers' feeding practices during complementary feeding and dental caries.
Source: Results 3.8 · same question in other reviews
no estimate extracted0 studiesNo studies
Overweight/obesity risk
Follow-up interval 15-20 months
Population: Healthy, term-born, normal-birth-weight infants aged 4-24 months (breastfed and/or formula-fed) in Western industrialized countries
Non-responsive complementary feeding showed no significant association with overweight/obesity across observational studies (very low certainty).
Source: Table 4 (SoF); Results 3.4 · same question in other reviews
NRCF, risk of overweight and obesity (observational; follow up interval 15 to 20 months; assessed with % overweight/obesity, BMIz, delta-BMI, skinfold): No significant association for all comparisons (for documented…4 studiesVery low
Downgraded: risk of bias, inconsistency
Weight gain (restrictive vs coercive styles)
Infancy to early childhood · Restrictive vs coercive/pressuring styles
Population: Healthy, term-born, normal-birth-weight infants aged 4-24 months (breastfed and/or formula-fed) in Western industrialized countries
Narratively, restrictive NRCF style tended to favor excess weight and coercive/pressuring style tended to favor lower weight (3 of 5 studies each; ungraded).
Source: Results 3.4; Discussion 4.1.2 · same question in other reviews
Restrictive style would favor excess weight (three of five studies); coercive style (pressure to eat) would favor a lower weight (three of five studies); clinical significance never quantified.NRUngraded
Choking events
No eligible studies of RCF and choking were found.
Source: Results 3.5 · same question in other reviews
no estimate extracted0 studiesNo studies

Non-responsive complementary feeding (NRCF) vs Other models of complementary feeding

Population: Healthy children aged 6–24 months in Western industrialized countries
1 question
OutcomeEffectEvidenceStatus / GRADE
Overweight and obesity
15–20 months · observational
NRCF showed no significant association with overweight/obesity across the reported comparisons (very low certainty).
Source: Table 4; Results 3.4 · same question in other reviews
No significant association for all comparisons for documented exposures of at least 6 months; 4 observational studies; Very low certainty.4 studiesVery low
Downgraded: risk of bias

AMSTAR 2 appraisal

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalPartial YesPartial Yesyes
3Choice of study designs explainedYesYesyes
4Comprehensive literature searchcriticalPartial YesPartial Yesyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalPartial YesNono
8Included studies described in detailYesPartial Yesno
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: YesNRSI: Yes · RCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: Yes · NRSI: YesRCT: Yes · NRSI: Nono
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallLowCritically Lowno

Included primary studies 24

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Brown 2015
Early influences on child satiety‐responsiveness: the role of weaning style
DOI:10.1111/j.2047-6310.2013.00207.x
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Brown 2018
No difference in self‐reported frequency of choking between infants introduced to solid foods using a baby‐led weaning or traditional…
DOI:10.1111/jhn.12528
this review onlyChokingnot extracted yetnot extracted yet
Cameron 2013
Parent-led or baby-led? Associations between complementary feeding practices and health-related behaviours in a survey of New Zealand…
PMID:24327363
this review onlyChokingnot extracted yetnot extracted yet
Chaidez 2014
Sweetened Food Purchases and Indulgent Feeding Are Associated With Increased Toddler Anthropometry
DOI:10.1016/j.jneb.2013.05.011
this review onlyWeight gain (restrictive vs coercive styles)not extracted yetnot extracted yet
Daniels 2012 (NOURISH)
Evaluation of an intervention to promote protective infant feeding practices to prevent childhood obesity: outcomes of the NOURISH RCT at…
DOI:10.1038/ijo.2012.96
this review onlyBMI z-score (overweight/obesity) at 13 monthsnot extracted yetnot extracted yet
Daniels 2013 (NOURISH)
Outcomes of an Early Feeding Practices Intervention to Prevent Childhood Obesity
DOI:10.1542/peds.2012-2882
this review onlyPhysical growth / weight gainnot extracted yetnot extracted yet
Daniels 2015 (NOURISH)
An Early Feeding Practices Intervention for Obesity Prevention
DOI:10.1542/peds.2014-4108
this review onlyPhysical growth / weight gainnot extracted yetnot extracted yet
Dinkevich 2015
Mothers' feeding behaviors in infancy: Do they predict child weight trajectories?
PMID:26537027
this review onlyWeight gain (restrictive vs coercive styles)not extracted yetnot extracted yet
Dogan 2018
Baby‐led complementary feeding: Randomized controlled study
DOI:10.1111/ped.13671
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Fangupo 2016
A Baby-Led Approach to Eating Solids and Risk of Choking
DOI:10.1542/peds.2016-0772
this review onlyChokingnot extracted yetnot extracted yet
Fu 2018
Food fussiness and early feeding characteristics of infants following Baby-Led Weaning and traditional spoon-feeding in New Zealand: An…
DOI:10.1016/j.appet.2018.07.033
this review onlyChokingnot extracted yetnot extracted yet
Hittner 2016
Infant emotional distress, maternal restriction at a home meal, and child BMI gain through age 6years in the Colorado Adoption Project
DOI:10.1016/j.eatbeh.2016.01.008
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Kahraman 2020
Baby-led weaning versus traditional weaning: the assessment of nutritional status in early childhood and maternal feeding practices in…
DOI:10.1080/03004430.2020.1726902
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Lumeng 2012
Observed assertive and intrusive maternal feeding behaviors increase child adiposity.
PMID:22277552
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Machuca 2016
Well Baby Group Care: Evaluation of a Promising Intervention for Primary Obesity Prevention in Toddlers
DOI:10.1089/chi.2015.0212
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Paul 2018 (INSIGHT 3y)
Effect of a Responsive Parenting Educational Intervention on Childhood Weight Outcomes at 3 Years of Age: The INSIGHT Randomized Clinical…
PMID:30088009
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Rifas-Shiman 2011
Does maternal feeding restriction lead to childhood obesity in a prospective cohort study?
PMID:21081589
this review onlyWeight gain (restrictive vs coercive styles)not extracted yetnot extracted yet
Savage 2016 (INSIGHT)
Effect of the INSIGHT Responsive Parenting Intervention on Rapid Infant Weight Gain and Overweight Status at Age 1 Year: A Randomized…
PMID:27271455
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Stifter 2015
Understanding and measuring parent use of food to soothe infant and toddler distress: A longitudinal study from 6 to 18 months of age.
PMID:26164121
this review onlyPhysical growth / weight gainnot extracted yetnot extracted yet
Taveras 2006
To what extent is the protective effect of breastfeeding on future overweight explained by decreased maternal feeding restriction?
PMID:17142517
this review onlyWeight gain (restrictive vs coercive styles)not extracted yetnot extracted yet
Taylor 2017
Effect of a Baby-Led Approach to Complementary Feeding on Infant Growth and Overweight: A Randomized Clinical Trial.
PMID:28692728
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Thompson 2013
Pressuring and restrictive feeding styles influence infant feeding and size among a low-income African-American sample.
PMID:23592664
this review onlyWeight gain (restrictive vs coercive styles)not extracted yetnot extracted yet
Townsend 2012
Baby knows best? The impact of weaning style on food preferences and body mass index in early childhood in a case-controlled sample.
PMID:22315302
this review onlyOverweight/obesity risknot extracted yetnot extracted yet
Wright 2006
How Does Maternal and Child Feeding Behavior Relate to Weight Gain and Failure to Thrive? Data From a Prospective Birth Cohort
DOI:10.1542/peds.2005-1215
this review onlyPhysical growth / weight gainnot extracted yetnot extracted yet