Early Start (New Zealand) Meets HHS Criteria

Model effectiveness research report last updated: 2023

Effects shown in research

Child health

Findings rated moderate

Early Start (New Zealand)
Show findings details
Outcome measure Effect Follow-up timing Sample Sample size Intervention group Comparison group Group difference Effect size Statistical significance Notes
Number of home safety features
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 388 children Unadjusted mean = 5.20 Unadjusted mean = 4.90 Mean difference = 0.30 Study reported = 0.17 Not statistically significant, p ≥ 0.05
Number of visits made to family doctor in past 36 months
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 388 children Unadjusted mean = 23.50 Unadjusted mean = 20.70 = 2.80 Study reported = 0.24 Statistically significant, p < 0.05
Percent attended hospital for any other reason
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 382 children % = 68.40 % = 74.20 = -9.80 Study reported = 0.13 Not statistically significant, p ≥ 0.05
Submitted by user on
High score equals unfavorable.
Percent breastfed for six months or more
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 388 children % = 31.30 % = 34.10 = -2.80 Study reported = -0.05 Not statistically significant, p ≥ 0.05
Percent of children up to date with immunizations
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 388 children % = 92.50 % = 91.90 = 0.60 Study reported = 0.24 Not statistically significant, p ≥ 0.05
Percent of children up to date with well-child checks
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 388 children % = 41.90 % = 30.10 = 11.80 Study reported = 0.24 Statistically significant, p < 0.05
Percent with dental service
FavorableUnfavorable or ambiguousNo Effect
36 months Christchurch sample 391 children % = 72.30 % = 62.80 = 9.50 Study reported = 0.20 Statistically significant, p < 0.05
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