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Table 3 Definition and Prevalence of Problem Outcomes at 4.5 Years of Age

From: Patterns of risk exposure in first 1,000 days of life and health, behavior, and education-related problems at age 4.5: evidence from Growing Up in New Zealand, a longitudinal cohort study

Problem Outcome

Measurement

Definition of Problem Status

Raw %a

Imputed %b

Health domain

 Overall health status

Maternal rating on standard scale

Poor, Fair, or Good rating

14.3

14.5

 Obesity

Measured child BMI

Standard age and gender clinical cut-offs

15.2

15.2

 Injuries

Maternal report

≥ 2 requiring medical treatment since age 2

9.2

9.2

Behavior domain

 Internalizing problems

Maternal report on SDQ

Sum score ≥ 8 defined “clinical range”

10.6

10.6

 Externalizing problems

Maternal report on SDQ

Sum score ≥ 10 defined “clinical range”

11.7

11.8

Education-related domain

 Letter naming

Child performance on DIBELS

≤ 1 correct

21.2

32.2

 Counting forward

Child performance counting to 10

≤ 9 correct

21.6

22.2

 Counting backward

Child performance counting from 10

= 0 correct

24.6

27.4

 Starting school concerns

Maternal report on 5 items addressing concerns

Reporting high concerns relative to the norms

11.7

12.5

 Educational completion expectation

Maternal report

Child expected not to advance past secondary school

12.5

11.7

  1. BMI Body Mass Index, SDQ Strengths and Difficulties Questionnaire, DIBELS Dynamic Indicators of Basic Early Literacy Skills
  2. an = varying due to missing data, 5479–6156; b n = 6156